RefCounted types should not have public destructors, chromeos edition

BUG=123295
TEST=none


Review URL: https://chromiumcodereview.appspot.com/10386206

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@143987 0039d316-1c4b-4281-b951-d872f2087c98

47 files changed, 434 insertions, 290 deletions

diff --git a/ash/desktop_background/desktop_background_controller.cc b/ash/desktop_background/desktop_background_controller.cc
index 6461c97..022ca0b 100644
--- a/ash/desktop_background/desktop_background_controller.cc
+++ b/ash/desktop_background/desktop_background_controller.cc
@@ -52,7 +52,7 @@ struct DesktopBackgroundController::WallpaperData {
 // loading.
 class DesktopBackgroundController::WallpaperOperation
     : public base::RefCountedThreadSafe<
-    DesktopBackgroundController::WallpaperOperation> {
+          DesktopBackgroundController::WallpaperOperation> {
  public:
   explicit WallpaperOperation(int index) : index_(index) {
   }
@@ -79,6 +79,8 @@ class DesktopBackgroundController::WallpaperOperation
   friend class base::RefCountedThreadSafe<
       DesktopBackgroundController::WallpaperOperation>;
 
+  ~WallpaperOperation() {}
+
   base::CancellationFlag cancel_flag_;
 
   scoped_ptr<WallpaperData> wallpaper_data_;
diff --git a/chrome/browser/chromeos/extensions/file_browser_event_router.h b/chrome/browser/chromeos/extensions/file_browser_event_router.h
index d6a2c37..6fd9cd2 100644
--- a/chrome/browser/chromeos/extensions/file_browser_event_router.h
+++ b/chrome/browser/chromeos/extensions/file_browser_event_router.h
@@ -92,6 +92,9 @@ class FileBrowserEventRouter
    public:
     explicit FileWatcherDelegate(FileBrowserEventRouter* router);
 
+   protected:
+    virtual ~FileWatcherDelegate() {}
+
    private:
     // base::files::FilePathWatcher::Delegate overrides.
     virtual void OnFilePathChanged(const FilePath& path) OVERRIDE;
diff --git a/chrome/browser/chromeos/extensions/file_browser_handler_api.cc b/chrome/browser/chromeos/extensions/file_browser_handler_api.cc
index 0bd0ee5..bafb685 100644
--- a/chrome/browser/chromeos/extensions/file_browser_handler_api.cc
+++ b/chrome/browser/chromeos/extensions/file_browser_handler_api.cc
@@ -179,6 +179,35 @@ void RelayOpenFileSystemCallbackToFileThread(
 
 FileHandlerSelectFileFunction::FileHandlerSelectFileFunction() {}
 
+void FileHandlerSelectFileFunction::OnFilePathSelected(
+    bool success,
+    const FilePath& full_path) {
+  if (!success) {
+    Respond(false, std::string(), GURL(), FilePath());
+    return;
+  }
+
+  full_path_ = full_path;
+
+  BrowserContext::GetFileSystemContext(profile_)->OpenFileSystem(
+      source_url_.GetOrigin(), fileapi::kFileSystemTypeExternal, false,
+      base::Bind(&RelayOpenFileSystemCallbackToFileThread,
+          base::Bind(&FileHandlerSelectFileFunction::CreateFileOnFileThread,
+                     this)));
+};
+
+// static
+void FileHandlerSelectFileFunction::set_file_selector_for_test(
+    FileSelector* file_selector) {
+  FileHandlerSelectFileFunction::file_selector_for_test_ = file_selector;
+}
+
+// static
+void FileHandlerSelectFileFunction::set_gesture_check_disabled_for_test(
+    bool disabled) {
+  FileHandlerSelectFileFunction::gesture_check_disabled_for_test_ = disabled;
+}
+
 FileHandlerSelectFileFunction::~FileHandlerSelectFileFunction() {}
 
 bool FileHandlerSelectFileFunction::RunImpl() {
@@ -198,35 +227,6 @@ bool FileHandlerSelectFileFunction::RunImpl() {
   return true;
 }
 
-// static
-void FileHandlerSelectFileFunction::set_file_selector_for_test(
-    FileSelector* file_selector) {
-  FileHandlerSelectFileFunction::file_selector_for_test_ = file_selector;
-}
-
-// static
-void FileHandlerSelectFileFunction::set_gesture_check_disabled_for_test(
-    bool disabled) {
-  FileHandlerSelectFileFunction::gesture_check_disabled_for_test_ = disabled;
-}
-
-void FileHandlerSelectFileFunction::OnFilePathSelected(
-    bool success,
-    const FilePath& full_path) {
-  if (!success) {
-    Respond(false, std::string(), GURL(), FilePath());
-    return;
-  }
-
-  full_path_ = full_path;
-
-  BrowserContext::GetFileSystemContext(profile_)->OpenFileSystem(
-      source_url_.GetOrigin(), fileapi::kFileSystemTypeExternal, false,
-      base::Bind(&RelayOpenFileSystemCallbackToFileThread,
-          base::Bind(&FileHandlerSelectFileFunction::CreateFileOnFileThread,
-                     this)));
-};
-
 void FileHandlerSelectFileFunction::CreateFileOnFileThread(
     bool success,
     const std::string& file_system_name,
diff --git a/chrome/browser/chromeos/extensions/file_browser_handler_api.h b/chrome/browser/chromeos/extensions/file_browser_handler_api.h
index 407811c..f9a1562 100644
--- a/chrome/browser/chromeos/extensions/file_browser_handler_api.h
+++ b/chrome/browser/chromeos/extensions/file_browser_handler_api.h
@@ -32,8 +32,9 @@ class FileSelector {
 
 class FileHandlerSelectFileFunction : public AsyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserHandlerInternal.selectFile");
+
   FileHandlerSelectFileFunction();
-  virtual ~FileHandlerSelectFileFunction() OVERRIDE;
 
   // Called by FileSelector implementation when the user selects new file's
   // file path.
@@ -47,6 +48,7 @@ class FileHandlerSelectFileFunction : public AsyncExtensionFunction {
   static void set_gesture_check_disabled_for_test(bool disabled);
 
  protected:
+  virtual ~FileHandlerSelectFileFunction() OVERRIDE;
   virtual bool RunImpl() OVERRIDE;
 
  private:
@@ -87,8 +89,6 @@ class FileHandlerSelectFileFunction : public AsyncExtensionFunction {
   // Once set they will be used for every extension function call.
   static file_handler::FileSelector* file_selector_for_test_;
   static bool gesture_check_disabled_for_test_;
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserHandlerInternal.selectFile");
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_HANDLER_API_H_
diff --git a/chrome/browser/chromeos/extensions/file_browser_notifications.cc b/chrome/browser/chromeos/extensions/file_browser_notifications.cc
index 97800c0..9f75b64 100644
--- a/chrome/browser/chromeos/extensions/file_browser_notifications.cc
+++ b/chrome/browser/chromeos/extensions/file_browser_notifications.cc
@@ -104,7 +104,6 @@ class FileBrowserNotifications::NotificationMessage {
              const std::string& id)
         : host_(host),
           id_(id) {}
-    virtual ~Delegate() {}
     virtual void Display() OVERRIDE {}
     virtual void Error() OVERRIDE {}
     virtual void Close(bool by_user) OVERRIDE {
@@ -120,6 +119,8 @@ class FileBrowserNotifications::NotificationMessage {
     }
 
    private:
+    virtual ~Delegate() {}
+
     base::WeakPtr<FileBrowserNotifications> host_;
     std::string id_;
 
diff --git a/chrome/browser/chromeos/extensions/file_browser_private_api.cc b/chrome/browser/chromeos/extensions/file_browser_private_api.cc
index 2759457..92cd024 100644
--- a/chrome/browser/chromeos/extensions/file_browser_private_api.cc
+++ b/chrome/browser/chromeos/extensions/file_browser_private_api.cc
@@ -690,6 +690,10 @@ bool GetFileTasksFileBrowserFunction::RunImpl() {
 
 ExecuteTasksFileBrowserFunction::ExecuteTasksFileBrowserFunction() {}
 
+void ExecuteTasksFileBrowserFunction::OnTaskExecuted(bool success) {
+  SendResponse(success);
+}
+
 ExecuteTasksFileBrowserFunction::~ExecuteTasksFileBrowserFunction() {}
 
 bool ExecuteTasksFileBrowserFunction::RunImpl() {
@@ -742,10 +746,6 @@ bool ExecuteTasksFileBrowserFunction::RunImpl() {
   return true;
 }
 
-void ExecuteTasksFileBrowserFunction::OnTaskExecuted(bool success) {
-  SendResponse(success);
-}
-
 SetDefaultTaskFileBrowserFunction::SetDefaultTaskFileBrowserFunction() {}
 
 SetDefaultTaskFileBrowserFunction::~SetDefaultTaskFileBrowserFunction() {}
diff --git a/chrome/browser/chromeos/extensions/file_browser_private_api.h b/chrome/browser/chromeos/extensions/file_browser_private_api.h
index a223341..2a43e54 100644
--- a/chrome/browser/chromeos/extensions/file_browser_private_api.h
+++ b/chrome/browser/chromeos/extensions/file_browser_private_api.h
@@ -30,7 +30,12 @@ struct SearchResultInfo;
 
 // Implements the chrome.fileBrowserPrivate.requestLocalFileSystem method.
 class RequestLocalFileSystemFunction : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.requestLocalFileSystem");
+
  protected:
+  virtual ~RequestLocalFileSystemFunction() {}
+
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
@@ -41,12 +46,13 @@ class RequestLocalFileSystemFunction : public AsyncExtensionFunction {
                                 const GURL& root_path);
   void RespondFailedOnUIThread(base::PlatformFileError error_code);
   void RequestOnFileThread(const GURL& source_url, int child_id);
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.requestLocalFileSystem");
 };
 
 // Implements the chrome.fileBrowserPrivate.addFileWatch method.
 class FileWatchBrowserFunctionBase : public AsyncExtensionFunction {
  protected:
+  virtual ~FileWatchBrowserFunctionBase() {}
+
   virtual bool PerformFileWatchOperation(
       scoped_refptr<FileBrowserEventRouter> event_router,
       const FilePath& local_path, const FilePath& virtual_path,
@@ -67,69 +73,77 @@ class FileWatchBrowserFunctionBase : public AsyncExtensionFunction {
 
 // Implements the chrome.fileBrowserPrivate.addFileWatch method.
 class AddFileWatchBrowserFunction : public FileWatchBrowserFunctionBase {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.addFileWatch");
+
  protected:
+  virtual ~AddFileWatchBrowserFunction() {}
+
   virtual bool PerformFileWatchOperation(
       scoped_refptr<FileBrowserEventRouter> event_router,
       const FilePath& local_path, const FilePath& virtual_path,
       const std::string& extension_id) OVERRIDE;
-
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.addFileWatch");
 };
 
 
 // Implements the chrome.fileBrowserPrivate.removeFileWatch method.
 class RemoveFileWatchBrowserFunction : public FileWatchBrowserFunctionBase {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.removeFileWatch");
+
  protected:
+  virtual ~RemoveFileWatchBrowserFunction() {}
+
   virtual bool PerformFileWatchOperation(
       scoped_refptr<FileBrowserEventRouter> event_router,
       const FilePath& local_path, const FilePath& virtual_path,
       const std::string& extension_id) OVERRIDE;
-
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.removeFileWatch");
 };
 
 // Implements the chrome.fileBrowserPrivate.getFileTasks method.
 class GetFileTasksFileBrowserFunction : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getFileTasks");
+
  protected:
+  virtual ~GetFileTasksFileBrowserFunction() {}
+
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
  private:
   bool FindDriveAppTasks(const std::vector<GURL>& file_urls,
                          ListValue* result_list);
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getFileTasks");
 };
 
 // Implements the chrome.fileBrowserPrivate.executeTask method.
 class ExecuteTasksFileBrowserFunction : public AsyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.executeTask");
+
   ExecuteTasksFileBrowserFunction();
-  virtual ~ExecuteTasksFileBrowserFunction();
 
   void OnTaskExecuted(bool success);
 
  protected:
+  virtual ~ExecuteTasksFileBrowserFunction();
+
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-
- private:
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.executeTask");
 };
 
 // Implements the chrome.fileBrowserPrivate.setDefaultTask method.
 class SetDefaultTaskFileBrowserFunction : public SyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.setDefaultTask");
+
   SetDefaultTaskFileBrowserFunction();
-  virtual ~SetDefaultTaskFileBrowserFunction();
 
  protected:
+  virtual ~SetDefaultTaskFileBrowserFunction();
+
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.setDefaultTask");
 };
 
 // Parent class for the chromium extension APIs for the file dialog.
@@ -164,9 +178,10 @@ class FileBrowserFunction
 };
 
 // Select a single file.  Closes the dialog window.
-class SelectFileFunction
-    : public FileBrowserFunction {
+class SelectFileFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.selectFile");
+
   SelectFileFunction() {}
 
  protected:
@@ -179,14 +194,13 @@ class SelectFileFunction
   // A callback method to handle the result of
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const SelectedFileInfoList& files);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.selectFile");
 };
 
 // View multiple selected files.  Window stays open.
-class ViewFilesFunction
-    : public FileBrowserFunction {
+class ViewFilesFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.viewFiles");
+
   ViewFilesFunction();
 
  protected:
@@ -200,14 +214,13 @@ class ViewFilesFunction
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const std::string& internal_task_id,
                                        const SelectedFileInfoList& files);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.viewFiles");
 };
 
 // Select multiple files.  Closes the dialog window.
-class SelectFilesFunction
-    : public FileBrowserFunction {
+class SelectFilesFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.selectFiles");
+
   SelectFilesFunction();
 
  protected:
@@ -220,14 +233,13 @@ class SelectFilesFunction
   // A callback method to handle the result of
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const SelectedFileInfoList& files);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.selectFiles");
 };
 
 // Cancel file selection Dialog.  Closes the dialog window.
-class CancelFileDialogFunction
-    : public FileBrowserFunction {
+class CancelFileDialogFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.cancelDialog");
+
   CancelFileDialogFunction() {}
 
  protected:
@@ -235,15 +247,13 @@ class CancelFileDialogFunction
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.cancelDialog");
 };
 
 // Mount a device or a file.
-class AddMountFunction
-    : public FileBrowserFunction {
+class AddMountFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.addMount");
+
   AddMountFunction();
 
  protected:
@@ -267,14 +277,13 @@ class AddMountFunction
                          const FilePath::StringType& file_name,
                          base::PlatformFileError error,
                          const FilePath& file_path);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.addMount");
 };
 
 // Unmounts selected device. Expects mount point path as an argument.
-class RemoveMountFunction
-    : public FileBrowserFunction {
+class RemoveMountFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.removeMount");
+
   RemoveMountFunction();
 
  protected:
@@ -287,13 +296,12 @@ class RemoveMountFunction
   // A callback method to handle the result of
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const SelectedFileInfoList& files);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.removeMount");
 };
 
-class GetMountPointsFunction
-    : public AsyncExtensionFunction {
+class GetMountPointsFunction : public AsyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getMountPoints");
+
   GetMountPointsFunction();
 
  protected:
@@ -301,15 +309,13 @@ class GetMountPointsFunction
 
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getMountPoints");
 };
 
 // Formats Device given its mount path.
-class FormatDeviceFunction
-    : public FileBrowserFunction {
+class FormatDeviceFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.formatDevice");
+
   FormatDeviceFunction();
 
  protected:
@@ -322,13 +328,12 @@ class FormatDeviceFunction
   // A callback method to handle the result of
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const SelectedFileInfoList& files);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.formatDevice");
 };
 
-class GetSizeStatsFunction
-    : public FileBrowserFunction {
+class GetSizeStatsFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getSizeStats");
+
   GetSizeStatsFunction();
 
  protected:
@@ -346,48 +351,56 @@ class GetSizeStatsFunction
                                       size_t total_size_kb,
                                       size_t remaining_size_kb);
   void CallGetSizeStatsOnFileThread(const std::string& mount_path);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getSizeStats");
 };
 
 // Retrieves devices meta-data. Expects volume's device path as an argument.
-class GetVolumeMetadataFunction
-    : public FileBrowserFunction {
+class GetVolumeMetadataFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getVolumeMetadata");
+
   GetVolumeMetadataFunction();
 
  protected:
   virtual ~GetVolumeMetadataFunction();
 
+  // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
  private:
   // A callback method to handle the result of
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const SelectedFileInfoList& files);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getVolumeMetadata");
 };
 
 // Toggles fullscreen mode for the browser.
 class ToggleFullscreenFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.toggleFullscreen");
+
  protected:
+  virtual ~ToggleFullscreenFunction() {}
+
+  // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.toggleFullscreen");
 };
 
 // Checks if the browser is in fullscreen mode.
 class IsFullscreenFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.isFullscreen");
+
  protected:
+  virtual ~IsFullscreenFunction() {}
+
+  // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.isFullscreen");
 };
 
 // File Dialog Strings.
 class FileDialogStringsFunction : public SyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getStrings");
+
   FileDialogStringsFunction() {}
 
  protected:
@@ -395,9 +408,6 @@ class FileDialogStringsFunction : public SyncExtensionFunction {
 
   // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getStrings");
 };
 
 // Retrieve property information for multiple files, returning a list of the
@@ -406,14 +416,16 @@ class FileDialogStringsFunction : public SyncExtensionFunction {
 // (base::PlatformFileError) for that entry in the returned list.
 class GetGDataFilePropertiesFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getGDataFileProperties");
+
   GetGDataFilePropertiesFunction();
 
  protected:
+  virtual ~GetGDataFilePropertiesFunction();
+
   void GetNextFileProperties();
   void CompleteGetFileProperties();
 
-  virtual ~GetGDataFilePropertiesFunction();
-
   // Virtual function that can be overridden to do operations on each virtual
   // file path and update its the properties.
   virtual void DoOperation(const FilePath& file_path,
@@ -444,8 +456,6 @@ class GetGDataFilePropertiesFunction : public FileBrowserFunction {
   size_t current_index_;
   base::ListValue* path_list_;
   scoped_ptr<base::ListValue> file_properties_;
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getGDataFileProperties");
 };
 
 // Pin/unpin multiple files in the cache, returning a list of file
@@ -456,6 +466,8 @@ class GetGDataFilePropertiesFunction : public FileBrowserFunction {
 // returned list.
 class PinGDataFileFunction : public GetGDataFilePropertiesFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.pinGDataFile");
+
   PinGDataFileFunction();
 
  protected:
@@ -481,8 +493,6 @@ class PinGDataFileFunction : public GetGDataFilePropertiesFunction {
 
   // True for pin, false for unpin.
   bool set_pin_;
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.pinGDataFile");
 };
 
 // Get file locations for the given list of file URLs. Returns a list of
@@ -490,6 +500,8 @@ class PinGDataFileFunction : public GetGDataFilePropertiesFunction {
 // file is on gdata, and 'local' means the file is on the local drive.
 class GetFileLocationsFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getFileLocations");
+
   GetFileLocationsFunction();
 
  protected:
@@ -502,8 +514,6 @@ class GetFileLocationsFunction : public FileBrowserFunction {
   // A callback method to handle the result of
   // GetLocalPathsOnFileThreadAndRunCallbackOnUIThread.
   void GetLocalPathsResponseOnUIThread(const SelectedFileInfoList& files);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getFileLocations");
 };
 
 // Get gdata files for the given list of file URLs. Initiate downloading of
@@ -516,6 +526,8 @@ class GetFileLocationsFunction : public FileBrowserFunction {
 // TODO(satorux): Should we propagate error types to the JavasScript layer?
 class GetGDataFilesFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getGDataFiles");
+
   GetGDataFilesFunction();
 
  protected:
@@ -542,48 +554,51 @@ class GetGDataFilesFunction : public FileBrowserFunction {
 
   std::queue<FilePath> remaining_gdata_paths_;
   ListValue* local_paths_;
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getGDataFiles");
 };
 
 // Implements the chrome.fileBrowserPrivate.executeTask method.
 class GetFileTransfersFunction : public AsyncExtensionFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getFileTransfers");
+
   GetFileTransfersFunction();
-  virtual ~GetFileTransfersFunction();
 
  protected:
+  virtual ~GetFileTransfersFunction();
+
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
  private:
   ListValue* GetFileTransfersList();
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getFileTransfers");
 };
 
 // Implements the chrome.fileBrowserPrivate.cancelFileTransfers method.
 class CancelFileTransfersFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.cancelFileTransfers");
+
   CancelFileTransfersFunction();
-  virtual ~CancelFileTransfersFunction();
 
  protected:
+  virtual ~CancelFileTransfersFunction();
+
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
   void GetLocalPathsResponseOnUIThread(const SelectedFileInfoList& files);
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.cancelFileTransfers");
 };
 
 // Implements the chrome.fileBrowserPrivate.transferFile method.
 class TransferFileFunction : public FileBrowserFunction {
  public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.transferFile");
+
   TransferFileFunction();
-  virtual ~TransferFileFunction();
 
  protected:
+  virtual ~TransferFileFunction();
+
   // AsyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
 
@@ -594,41 +609,52 @@ class TransferFileFunction : public FileBrowserFunction {
 
   // Helper callback for handling response from GDataFileSystem::TransferFile().
   void OnTransferCompleted(base::PlatformFileError error);
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.transferFile");
 };
 
 // Read setting value.
 class GetGDataPreferencesFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getGDataPreferences");
+
  protected:
+  virtual ~GetGDataPreferencesFunction() {}
+
   virtual bool RunImpl() OVERRIDE;
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.getGDataPreferences");
 };
 
 // Write setting value.
 class SetGDataPreferencesFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.setGDataPreferences");
+
  protected:
+  virtual ~SetGDataPreferencesFunction() {}
+
   virtual bool RunImpl() OVERRIDE;
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.setGDataPreferences");
 };
 
 class GetPathForDriveSearchResultFunction : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME(
+      "fileBrowserPrivate.getPathForDriveSearchResult");
+
  protected:
+  virtual ~GetPathForDriveSearchResultFunction() {}
+
   virtual bool RunImpl() OVERRIDE;
 
   void OnEntryFound(base::PlatformFileError error,
                     const FilePath& entry_path,
                     scoped_ptr<gdata::GDataEntryProto> entry_proto);
-
- private:
-  DECLARE_EXTENSION_FUNCTION_NAME(
-      "fileBrowserPrivate.getPathForDriveSearchResult");
 };
 
 class SearchDriveFunction : public AsyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.searchGData");
+
  protected:
+  virtual ~SearchDriveFunction() {}
+
   virtual bool RunImpl() OVERRIDE;
 
  private:
@@ -646,26 +672,30 @@ class SearchDriveFunction : public AsyncExtensionFunction {
   // to represent search results.
   std::string file_system_name_;
   GURL file_system_url_;
-
-  DECLARE_EXTENSION_FUNCTION_NAME("fileBrowserPrivate.searchGData");
 };
 
 // Implements the chrome.fileBrowserPrivate.getNetworkConnectionState method.
 class GetNetworkConnectionStateFunction : public SyncExtensionFunction {
- protected:
-  virtual bool RunImpl() OVERRIDE;
- private:
+ public:
   DECLARE_EXTENSION_FUNCTION_NAME(
       "fileBrowserPrivate.getNetworkConnectionState");
+
+ protected:
+  virtual ~GetNetworkConnectionStateFunction() {}
+
+  virtual bool RunImpl() OVERRIDE;
 };
 
 // Implements the chrome.fileBrowserPrivate.requestDirectoryRefresh method.
 class RequestDirectoryRefreshFunction : public SyncExtensionFunction {
- protected:
-  virtual bool RunImpl() OVERRIDE;
- private:
+ public:
   DECLARE_EXTENSION_FUNCTION_NAME(
       "fileBrowserPrivate.requestDirectoryRefresh");
+
+ protected:
+  virtual ~RequestDirectoryRefreshFunction() {}
+
+  virtual bool RunImpl() OVERRIDE;
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_EXTENSIONS_FILE_BROWSER_PRIVATE_API_H_
diff --git a/chrome/browser/chromeos/extensions/file_handler_util.h b/chrome/browser/chromeos/extensions/file_handler_util.h
index 28614d0..e4f3c05 100644
--- a/chrome/browser/chromeos/extensions/file_handler_util.h
+++ b/chrome/browser/chromeos/extensions/file_handler_util.h
@@ -82,7 +82,6 @@ class FileTaskExecutor : public base::RefCountedThreadSafe<FileTaskExecutor> {
                                   const GURL source_url,
                                   const std::string& extension_id,
                                   const std::string& action_id);
-  virtual ~FileTaskExecutor();
 
   // Same as ExecuteAndNotify, but no notification is performed.
   virtual bool Execute(const std::vector<GURL>& file_urls);
@@ -98,6 +97,7 @@ class FileTaskExecutor : public base::RefCountedThreadSafe<FileTaskExecutor> {
 
  protected:
   explicit FileTaskExecutor(Profile* profile);
+  virtual ~FileTaskExecutor();
 
   // Returns the profile that this task was created with.
   Profile* profile() { return profile_; }
@@ -105,6 +105,7 @@ class FileTaskExecutor : public base::RefCountedThreadSafe<FileTaskExecutor> {
   // Returns a browser to use for the current browser.
   Browser* GetBrowser() const;
  private:
+  friend class base::RefCountedThreadSafe<FileTaskExecutor>;
 
   Profile* profile_;
 };
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc b/chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc
index 5d72c16..7efcb59 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc
+++ b/chrome/browser/chromeos/gdata/gdata_file_system_proxy.cc
@@ -177,11 +177,6 @@ GDataFileSystemProxy::GDataFileSystemProxy(
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 }
 
-GDataFileSystemProxy::~GDataFileSystemProxy() {
-  // Should be deleted from the CrosMountPointProvider on IO thread.
-  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
-}
-
 void GDataFileSystemProxy::GetFileInfo(const GURL& file_url,
     const FileSystemOperationInterface::GetMetadataCallback& callback) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
@@ -463,6 +458,11 @@ void GDataFileSystemProxy::CreateWritableSnapshotFile(
                  callback));
 }
 
+GDataFileSystemProxy::~GDataFileSystemProxy() {
+  // Should be deleted from the CrosMountPointProvider on IO thread.
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
+}
+
 // static.
 bool GDataFileSystemProxy::ValidateUrl(const GURL& url, FilePath* file_path) {
   // what platform you're on.
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system_proxy.h b/chrome/browser/chromeos/gdata/gdata_file_system_proxy.h
index 39b1008..34036df 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system_proxy.h
+++ b/chrome/browser/chromeos/gdata/gdata_file_system_proxy.h
@@ -23,7 +23,6 @@ class GDataFileSystemProxy : public fileapi::RemoteFileSystemProxyInterface {
   // |profile| is used to create GDataFileSystem, which is a per-profile
   // instance.
   explicit GDataFileSystemProxy(GDataFileSystemInterface* file_system);
-  virtual ~GDataFileSystemProxy();
 
   // fileapi::RemoteFileSystemProxyInterface overrides.
   virtual void GetFileInfo(const GURL& path,
@@ -65,6 +64,9 @@ class GDataFileSystemProxy : public fileapi::RemoteFileSystemProxyInterface {
           callback) OVERRIDE;
   // TODO(zelidrag): More methods to follow as we implement other parts of FSO.
 
+ protected:
+  virtual ~GDataFileSystemProxy();
+
  private:
   // Checks if a given |url| belongs to this file system. If it does,
   // the call will return true and fill in |file_path| with a file path of
diff --git a/chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc b/chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc
index dcfc874..5e78bbf 100644
--- a/chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc
+++ b/chrome/browser/chromeos/gdata/gdata_file_system_unittest.cc
@@ -1229,7 +1229,6 @@ class GDataFileSystemTest : public testing::Test {
           quota_bytes_total_(0),
           quota_bytes_used_(0),
           file_proto_(NULL) {}
-    virtual ~CallbackHelper() {}
 
     virtual void GetFileCallback(base::PlatformFileError error,
                                  const FilePath& file_path,
@@ -1300,6 +1299,12 @@ class GDataFileSystemTest : public testing::Test {
     scoped_ptr<GDataEntryProto> entry_proto_;
     scoped_ptr<GDataFileProto> file_proto_;
     scoped_ptr<GDataDirectoryProto> directory_proto_;
+
+   protected:
+    virtual ~CallbackHelper() {}
+
+   private:
+    friend class base::RefCountedThreadSafe<CallbackHelper>;
   };
 
   MessageLoopForUI message_loop_;
diff --git a/chrome/browser/chromeos/gdata/gdata_protocol_handler.cc b/chrome/browser/chromeos/gdata/gdata_protocol_handler.cc
index a53496f..365a5ac 100644
--- a/chrome/browser/chromeos/gdata/gdata_protocol_handler.cc
+++ b/chrome/browser/chromeos/gdata/gdata_protocol_handler.cc
@@ -127,7 +127,6 @@ void CancelGDataDownloadOnUIThread(const FilePath& gdata_file_path) {
 class GDataURLRequestJob : public net::URLRequestJob {
  public:
   explicit GDataURLRequestJob(net::URLRequest* request);
-  virtual ~GDataURLRequestJob();
 
   // net::URLRequestJob overrides:
   virtual void Start() OVERRIDE;
@@ -139,6 +138,9 @@ class GDataURLRequestJob : public net::URLRequestJob {
                            int buf_size,
                            int* bytes_read) OVERRIDE;
 
+ protected:
+  virtual ~GDataURLRequestJob();
+
  private:
   // Helper for Start() to let us start asynchronously.
   void StartAsync(GDataFileSystem** file_system);
@@ -233,10 +235,6 @@ GDataURLRequestJob::GDataURLRequestJob(net::URLRequest* request)
       download_growable_buf_, download_growable_buf_->capacity());
 }
 
-GDataURLRequestJob::~GDataURLRequestJob() {
-  CloseFileStream();
-}
-
 void GDataURLRequestJob::Start() {
   DVLOG(1) << "Starting request";
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
@@ -461,6 +459,12 @@ bool GDataURLRequestJob::ReadRawData(net::IOBuffer* dest,
   return rc;
 }
 
+//======================= GDataURLRequestJob protected methods ================
+
+GDataURLRequestJob::~GDataURLRequestJob() {
+  CloseFileStream();
+}
+
 //======================= GDataURLRequestJob private methods ===================
 
 void GDataURLRequestJob::StartAsync(GDataFileSystem** file_system) {
diff --git a/chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc b/chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc
index 4063852..36273d4 100644
--- a/chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc
+++ b/chrome/browser/chromeos/kiosk_mode/kiosk_mode_screensaver.cc
@@ -41,6 +41,9 @@ class ScreensaverUnpackerClient : public SandboxedExtensionUnpackerClient {
                        const Extension* extension) OVERRIDE;
   void OnUnpackFailure(const string16& error) OVERRIDE;
 
+ protected:
+  virtual ~ScreensaverUnpackerClient() {}
+
  private:
   void LoadScreensaverExtension(
       const FilePath& extension_base_path,
diff --git a/chrome/browser/chromeos/locale_change_guard.cc b/chrome/browser/chromeos/locale_change_guard.cc
index aa861e2..92815d3 100644
--- a/chrome/browser/chromeos/locale_change_guard.cc
+++ b/chrome/browser/chromeos/locale_change_guard.cc
@@ -45,6 +45,9 @@ class LocaleChangeGuard::Delegate : public NotificationDelegate {
     return NULL;
   }
 
+ protected:
+  virtual ~Delegate() {}
+
  private:
   chromeos::LocaleChangeGuard* master_;
 
diff --git a/chrome/browser/chromeos/login/authenticator.cc b/chrome/browser/chromeos/login/authenticator.cc
index 0a641d5..20de695 100644
--- a/chrome/browser/chromeos/login/authenticator.cc
+++ b/chrome/browser/chromeos/login/authenticator.cc
@@ -9,7 +9,8 @@ namespace chromeos {
 class LoginStatusConsumer;
 
 Authenticator::Authenticator(LoginStatusConsumer* consumer)
-    : consumer_(consumer), authentication_profile_(NULL) {
+    : consumer_(consumer),
+      authentication_profile_(NULL) {
 }
 
 Authenticator::~Authenticator() {}
diff --git a/chrome/browser/chromeos/login/authenticator.h b/chrome/browser/chromeos/login/authenticator.h
index 88fd043..e05f162 100644
--- a/chrome/browser/chromeos/login/authenticator.h
+++ b/chrome/browser/chromeos/login/authenticator.h
@@ -26,7 +26,6 @@ namespace chromeos {
 class Authenticator : public base::RefCountedThreadSafe<Authenticator> {
  public:
   explicit Authenticator(LoginStatusConsumer* consumer);
-  virtual ~Authenticator();
 
   // Given externally authenticated |username| and |password|, this method
   // attempts to complete authentication process.
@@ -93,10 +92,14 @@ class Authenticator : public base::RefCountedThreadSafe<Authenticator> {
   Profile* authentication_profile() { return authentication_profile_; }
 
  protected:
+  virtual ~Authenticator();
+
   LoginStatusConsumer* consumer_;
   Profile* authentication_profile_;
 
  private:
+  friend class base::RefCountedThreadSafe<Authenticator>;
+
   DISALLOW_COPY_AND_ASSIGN(Authenticator);
 };
 
diff --git a/chrome/browser/chromeos/login/help_app_launcher.cc b/chrome/browser/chromeos/login/help_app_launcher.cc
index 004891f..4fa56f0 100644
--- a/chrome/browser/chromeos/login/help_app_launcher.cc
+++ b/chrome/browser/chromeos/login/help_app_launcher.cc
@@ -32,8 +32,6 @@ HelpAppLauncher::HelpAppLauncher(gfx::NativeWindow parent_window)
     : parent_window_(parent_window) {
 }
 
-HelpAppLauncher::~HelpAppLauncher() {}
-
 void HelpAppLauncher::ShowHelpTopic(HelpTopic help_topic_id) {
   Profile* profile = ProfileManager::GetDefaultProfile();
   ExtensionService* service = profile->GetExtensionService();
@@ -51,6 +49,11 @@ void HelpAppLauncher::ShowHelpTopic(HelpTopic help_topic_id) {
 }
 
 ///////////////////////////////////////////////////////////////////////////////
+// HelpApp, protected:
+
+HelpAppLauncher::~HelpAppLauncher() {}
+
+///////////////////////////////////////////////////////////////////////////////
 // HelpApp, private:
 
 void HelpAppLauncher::ShowHelpTopicDialog(const GURL& topic_url) {
diff --git a/chrome/browser/chromeos/login/help_app_launcher.h b/chrome/browser/chromeos/login/help_app_launcher.h
index fddcb76..608cddf 100644
--- a/chrome/browser/chromeos/login/help_app_launcher.h
+++ b/chrome/browser/chromeos/login/help_app_launcher.h
@@ -38,7 +38,6 @@ class HelpAppLauncher : public LoginWebDialog::Delegate,
 
   // Parent window is used to show dialog.
   explicit HelpAppLauncher(gfx::NativeWindow parent_window);
-  virtual ~HelpAppLauncher();
 
   // Shows specified help topic.
   void ShowHelpTopic(HelpTopic help_topic_id);
@@ -47,10 +46,14 @@ class HelpAppLauncher : public LoginWebDialog::Delegate,
   bool is_open() const { return dialog_.get() && dialog_->is_open(); }
 
  protected:
+  virtual ~HelpAppLauncher();
+
   // LoginWebDialog::Delegate implementation:
   virtual void OnDialogClosed() OVERRIDE {}
 
  private:
+  friend class base::RefCountedThreadSafe<HelpAppLauncher>;
+
   // Shows help topic dialog for specified GURL.
   void ShowHelpTopicDialog(const GURL& topic_url);
 
diff --git a/chrome/browser/chromeos/login/login_utils.cc b/chrome/browser/chromeos/login/login_utils.cc
index cab8a9d..00ec9f1 100644
--- a/chrome/browser/chromeos/login/login_utils.cc
+++ b/chrome/browser/chromeos/login/login_utils.cc
@@ -197,6 +197,10 @@ class JobRestartRequest
   }
 
  private:
+  friend class base::RefCountedThreadSafe<JobRestartRequest>;
+
+  ~JobRestartRequest() {}
+
   void RestartJob() {
     if (BrowserThread::CurrentlyOn(BrowserThread::UI)) {
       DBusThreadManager::Get()->GetSessionManagerClient()->RestartJob(
diff --git a/chrome/browser/chromeos/login/mock_authenticator.h b/chrome/browser/chromeos/login/mock_authenticator.h
index d11fcf6..2a8f5c2 100644
--- a/chrome/browser/chromeos/login/mock_authenticator.h
+++ b/chrome/browser/chromeos/login/mock_authenticator.h
@@ -65,6 +65,9 @@ class MockAuthenticator : public Authenticator {
                          const std::string& login_token,
                          const std::string& login_captcha) OVERRIDE {}
 
+ protected:
+  virtual ~MockAuthenticator() {}
+
  private:
   std::string expected_username_;
   std::string expected_password_;
diff --git a/chrome/browser/chromeos/login/owner_manager.cc b/chrome/browser/chromeos/login/owner_manager.cc
index 00a8009..7f9a20a 100644
--- a/chrome/browser/chromeos/login/owner_manager.cc
+++ b/chrome/browser/chromeos/login/owner_manager.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -27,8 +27,6 @@ OwnerManager::OwnerManager()
       utils_(OwnerKeyUtils::Create()) {
 }
 
-OwnerManager::~OwnerManager() {}
-
 void OwnerManager::UpdateOwnerKey(const BrowserThread::ID thread_id,
                                   const std::vector<uint8>& key,
                                   KeyUpdateDelegate* d) {
@@ -135,6 +133,8 @@ void OwnerManager::Verify(const BrowserThread::ID thread_id,
   BootTimesLoader::Get()->AddLoginTimeMarker("VerifyEnd", false);
 }
 
+OwnerManager::~OwnerManager() {}
+
 void OwnerManager::SendNotification(
     int type,
     const content::NotificationDetails& details) {
diff --git a/chrome/browser/chromeos/login/owner_manager.h b/chrome/browser/chromeos/login/owner_manager.h
index 74dc6d5..c0cfbc5 100644
--- a/chrome/browser/chromeos/login/owner_manager.h
+++ b/chrome/browser/chromeos/login/owner_manager.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -51,7 +51,6 @@ class OwnerManager : public base::RefCountedThreadSafe<OwnerManager> {
   };
 
   OwnerManager();
-  virtual ~OwnerManager();
 
   // Sets a new owner key from a provided memory buffer.
   void UpdateOwnerKey(const content::BrowserThread::ID thread_id,
@@ -90,7 +89,12 @@ class OwnerManager : public base::RefCountedThreadSafe<OwnerManager> {
               const std::vector<uint8>& signature,
               Delegate* d);
 
+ protected:
+  virtual ~OwnerManager();
+
  private:
+  friend class base::RefCountedThreadSafe<OwnerManager>;
+
   // A helper method to send a notification on another thread.
   void SendNotification(int type,
                         const content::NotificationDetails& details);
diff --git a/chrome/browser/chromeos/login/parallel_authenticator.cc b/chrome/browser/chromeos/login/parallel_authenticator.cc
index d6ccdde..cb4758d 100644
--- a/chrome/browser/chromeos/login/parallel_authenticator.cc
+++ b/chrome/browser/chromeos/login/parallel_authenticator.cc
@@ -181,8 +181,6 @@ ParallelAuthenticator::ParallelAuthenticator(LoginStatusConsumer* consumer)
   OwnershipService::GetSharedInstance()->StartLoadOwnerKeyAttempt();
 }
 
-ParallelAuthenticator::~ParallelAuthenticator() {}
-
 void ParallelAuthenticator::AuthenticateToLogin(
     Profile* profile,
     const std::string& username,
@@ -616,6 +614,8 @@ void ParallelAuthenticator::Resolve() {
   }
 }
 
+ParallelAuthenticator::~ParallelAuthenticator() {}
+
 ParallelAuthenticator::AuthState ParallelAuthenticator::ResolveState() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   // If we haven't mounted the user's home dir yet, we can't be done.
diff --git a/chrome/browser/chromeos/login/parallel_authenticator.h b/chrome/browser/chromeos/login/parallel_authenticator.h
index 465fa23..8410ef3 100644
--- a/chrome/browser/chromeos/login/parallel_authenticator.h
+++ b/chrome/browser/chromeos/login/parallel_authenticator.h
@@ -67,7 +67,6 @@ class ParallelAuthenticator : public Authenticator,
   };
 
   explicit ParallelAuthenticator(LoginStatusConsumer* consumer);
-  virtual ~ParallelAuthenticator();
 
   // Authenticator overrides.
   virtual void CompleteLogin(Profile* profile,
@@ -145,6 +144,9 @@ class ParallelAuthenticator : public Authenticator,
   void OnOffTheRecordLoginSuccess();
   void OnPasswordChangeDetected();
 
+ protected:
+  virtual ~ParallelAuthenticator();
+
  private:
   friend class ParallelAuthenticatorTest;
   FRIEND_TEST_ALL_PREFIXES(ParallelAuthenticatorTest,
diff --git a/chrome/browser/chromeos/login/signed_settings.cc b/chrome/browser/chromeos/login/signed_settings.cc
index 44975d7..11fd6d3 100644
--- a/chrome/browser/chromeos/login/signed_settings.cc
+++ b/chrome/browser/chromeos/login/signed_settings.cc
@@ -58,15 +58,19 @@ class StorePolicyOp : public SignedSettings {
  public:
   StorePolicyOp(em::PolicyFetchResponse* policy,
                 SignedSettings::Delegate<bool>* d);
-  virtual ~StorePolicyOp();
-  void Execute();
-  void Fail(SignedSettings::ReturnCode code);
   void Succeed(bool value);
   // Implementation of OwnerManager::Delegate
-  void OnKeyOpComplete(const OwnerManager::KeyOpCode return_code,
-                       const std::vector<uint8>& payload);
+  virtual void Execute() OVERRIDE;
+  virtual void Fail(SignedSettings::ReturnCode code) OVERRIDE;
+  virtual void OnKeyOpComplete(const OwnerManager::KeyOpCode return_code,
+                               const std::vector<uint8>& payload) OVERRIDE;
+
+ protected:
+  virtual ~StorePolicyOp();
 
  private:
+  void RequestStorePolicy();
+
   void OnBoolComplete(bool success);
   // Always call d_->OnSettingOpCompleted() via this call.
   // It guarantees that the callback will not be triggered until _after_
@@ -76,21 +80,21 @@ class StorePolicyOp : public SignedSettings {
 
   em::PolicyFetchResponse* policy_;
   SignedSettings::Delegate<bool>* d_;
-
-  void RequestStorePolicy();
 };
 
 class RetrievePolicyOp : public SignedSettings {
  public:
   explicit RetrievePolicyOp(
       SignedSettings::Delegate<const em::PolicyFetchResponse&>* d);
-  virtual ~RetrievePolicyOp();
-  void Execute();
-  void Fail(SignedSettings::ReturnCode code);
   void Succeed(const em::PolicyFetchResponse& value);
   // Implementation of OwnerManager::Delegate
-  void OnKeyOpComplete(const OwnerManager::KeyOpCode return_code,
-                       const std::vector<uint8>& payload);
+  virtual void Execute() OVERRIDE;
+  virtual void Fail(SignedSettings::ReturnCode code) OVERRIDE;
+  virtual void OnKeyOpComplete(const OwnerManager::KeyOpCode return_code,
+                               const std::vector<uint8>& payload) OVERRIDE;
+
+ protected:
+  virtual ~RetrievePolicyOp();
 
  private:
   void OnStringComplete(const std::string& serialized_proto);
@@ -130,13 +134,18 @@ StorePolicyOp::StorePolicyOp(em::PolicyFetchResponse* policy,
       d_(d) {
 }
 
-StorePolicyOp::~StorePolicyOp() {}
-
-void StorePolicyOp::OnBoolComplete(bool success) {
-  if (success)
-    Succeed(true);
-  else
-    Fail(NOT_FOUND);
+void StorePolicyOp::Succeed(bool ignored) {
+  SignedSettings::ReturnCode code = SUCCESS;
+  bool to_ret = true;
+  em::PolicyData poldata;
+  if (SignedSettings::PolicyIsSane(*policy_, &poldata)) {
+  } else {
+    code = NOT_FOUND;
+    to_ret = false;
+  }
+  BrowserThread::PostTask(
+      BrowserThread::UI, FROM_HERE,
+      base::Bind(&StorePolicyOp::PerformCallback, this, code, to_ret));
 }
 
 void StorePolicyOp::Execute() {
@@ -155,20 +164,6 @@ void StorePolicyOp::Fail(SignedSettings::ReturnCode code) {
       base::Bind(&StorePolicyOp::PerformCallback, this, code, false));
 }
 
-void StorePolicyOp::Succeed(bool ignored) {
-  SignedSettings::ReturnCode code = SUCCESS;
-  bool to_ret = true;
-  em::PolicyData poldata;
-  if (SignedSettings::PolicyIsSane(*policy_, &poldata)) {
-  } else {
-    code = NOT_FOUND;
-    to_ret = false;
-  }
-  BrowserThread::PostTask(
-      BrowserThread::UI, FROM_HERE,
-      base::Bind(&StorePolicyOp::PerformCallback, this, code, to_ret));
-}
-
 void StorePolicyOp::OnKeyOpComplete(const OwnerManager::KeyOpCode return_code,
                                     const std::vector<uint8>& payload) {
   // Ensure we're on the UI thread, due to the need to send DBus traffic.
@@ -190,6 +185,8 @@ void StorePolicyOp::OnKeyOpComplete(const OwnerManager::KeyOpCode return_code,
   Fail(SignedSettings::MapKeyOpCode(return_code));
 }
 
+StorePolicyOp::~StorePolicyOp() {}
+
 void StorePolicyOp::RequestStorePolicy() {
   std::string serialized;
   if (policy_->SerializeToString(&serialized)) {
@@ -201,6 +198,13 @@ void StorePolicyOp::RequestStorePolicy() {
   }
 }
 
+void StorePolicyOp::OnBoolComplete(bool success) {
+  if (success)
+    Succeed(true);
+  else
+    Fail(NOT_FOUND);
+}
+
 void StorePolicyOp::PerformCallback(SignedSettings::ReturnCode code,
                                     bool value) {
   d_->OnSettingsOpCompleted(code, value);
@@ -211,7 +215,16 @@ RetrievePolicyOp::RetrievePolicyOp(
     : d_(d) {
 }
 
-RetrievePolicyOp::~RetrievePolicyOp() {}
+void RetrievePolicyOp::Succeed(const em::PolicyFetchResponse& value) {
+  em::PolicyData poldata;
+  if (SignedSettings::PolicyIsSane(value, &poldata)) {
+    BrowserThread::PostTask(
+        BrowserThread::UI, FROM_HERE,
+        base::Bind(&RetrievePolicyOp::PerformCallback, this, SUCCESS, value));
+  } else {
+    Fail(NOT_FOUND);
+  }
+}
 
 void RetrievePolicyOp::Execute() {
   DBusThreadManager::Get()->GetSessionManagerClient()->RetrieveDevicePolicy(
@@ -226,17 +239,6 @@ void RetrievePolicyOp::Fail(SignedSettings::ReturnCode code) {
                  em::PolicyFetchResponse()));
 }
 
-void RetrievePolicyOp::Succeed(const em::PolicyFetchResponse& value) {
-  em::PolicyData poldata;
-  if (SignedSettings::PolicyIsSane(value, &poldata)) {
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(&RetrievePolicyOp::PerformCallback, this, SUCCESS, value));
-  } else {
-    Fail(NOT_FOUND);
-  }
-}
-
 void RetrievePolicyOp::OnKeyOpComplete(
     const OwnerManager::KeyOpCode return_code,
     const std::vector<uint8>& payload) {
@@ -254,6 +256,8 @@ void RetrievePolicyOp::OnKeyOpComplete(
     Fail(SignedSettings::MapKeyOpCode(return_code));
 }
 
+RetrievePolicyOp::~RetrievePolicyOp() {}
+
 void RetrievePolicyOp::OnStringComplete(const std::string& serialized_proto) {
   ProcessPolicy(serialized_proto);
 }
diff --git a/chrome/browser/chromeos/login/signed_settings.h b/chrome/browser/chromeos/login/signed_settings.h
index d9f7dd9..a160463 100644
--- a/chrome/browser/chromeos/login/signed_settings.h
+++ b/chrome/browser/chromeos/login/signed_settings.h
@@ -51,7 +51,6 @@ class SignedSettings : public base::RefCountedThreadSafe<SignedSettings>,
   };
 
   SignedSettings();
-  virtual ~SignedSettings();
 
   // These are both "policy" operations, and only one instance of
   // one type can be in flight at a time.
@@ -74,6 +73,8 @@ class SignedSettings : public base::RefCountedThreadSafe<SignedSettings>,
                                const std::vector<uint8>& payload) = 0;
 
  protected:
+  virtual ~SignedSettings();
+
   static bool PolicyIsSane(
       const enterprise_management::PolicyFetchResponse& value,
       enterprise_management::PolicyData* poldata);
@@ -83,6 +84,7 @@ class SignedSettings : public base::RefCountedThreadSafe<SignedSettings>,
   OwnershipService* service_;
 
  private:
+  friend class base::RefCountedThreadSafe<SignedSettings>;
   friend class SignedSettingsTest;
   friend class SignedSettingsHelperTest;
 
diff --git a/chrome/browser/chromeos/low_memory_observer.cc b/chrome/browser/chromeos/low_memory_observer.cc
index a27602c..efcb55a 100644
--- a/chrome/browser/chromeos/low_memory_observer.cc
+++ b/chrome/browser/chromeos/low_memory_observer.cc
@@ -48,9 +48,6 @@ class LowMemoryObserverImpl
     : public base::RefCountedThreadSafe<LowMemoryObserverImpl> {
  public:
   LowMemoryObserverImpl() : watcher_delegate_(this), file_descriptor_(-1) {}
-  ~LowMemoryObserverImpl() {
-    StopObservingOnFileThread();
-  }
 
   // Start watching the low memory file for readability.
   // Calls to StartObserving should always be matched with calls to
@@ -63,6 +60,12 @@ class LowMemoryObserverImpl
   void StopObservingOnFileThread();
 
  private:
+  friend class base::RefCountedThreadSafe<LowMemoryObserverImpl>;
+
+  ~LowMemoryObserverImpl() {
+    StopObservingOnFileThread();
+  }
+
   // Start a timer to resume watching the low memory file descriptor.
   void ScheduleNextObservation();
 
diff --git a/chrome/browser/chromeos/media/media_player_extension_api.h b/chrome/browser/chromeos/media/media_player_extension_api.h
index 640d517..2ec9f69 100644
--- a/chrome/browser/chromeos/media/media_player_extension_api.h
+++ b/chrome/browser/chromeos/media/media_player_extension_api.h
@@ -14,34 +14,50 @@
 
 // Implements the chrome.mediaPlayerPrivate.play method.
 class PlayMediaplayerFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.play");
+
  protected:
+  virtual ~PlayMediaplayerFunction() {}
+
   // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.play");
 };
 
 // Implements the chrome.mediaPlayerPrivate.getPlaylist method.
 class GetPlaylistMediaplayerFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.getPlaylist");
+
  protected:
+  virtual ~GetPlaylistMediaplayerFunction() {}
+
   // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.getPlaylist");
 };
 
 // Implements the chrome.mediaPlayerPrivate.setWindowHeight method.
 class SetWindowHeightMediaplayerFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.setWindowHeight");
+
  protected:
+  virtual ~SetWindowHeightMediaplayerFunction() {}
+
   // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.setWindowHeight");
 };
 
 // Implements the chrome.mediaPlayerPrivate.closeWindow method.
 class CloseWindowMediaplayerFunction : public SyncExtensionFunction {
+ public:
+  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.closeWindow");
+
  protected:
+  virtual ~CloseWindowMediaplayerFunction() {}
+
   // SyncExtensionFunction overrides.
   virtual bool RunImpl() OVERRIDE;
-  DECLARE_EXTENSION_FUNCTION_NAME("mediaPlayerPrivate.closeWindow");
 };
 
 #endif  // CHROME_BROWSER_CHROMEOS_MEDIA_MEDIA_PLAYER_EXTENSION_API_H_
diff --git a/chrome/browser/chromeos/mobile/mobile_activator.cc b/chrome/browser/chromeos/mobile/mobile_activator.cc
index aed47ab..476bd37 100644
--- a/chrome/browser/chromeos/mobile/mobile_activator.cc
+++ b/chrome/browser/chromeos/mobile/mobile_activator.cc
@@ -88,11 +88,7 @@ namespace chromeos {
 // CellularConfigDocument
 //
 ////////////////////////////////////////////////////////////////////////////////
-CellularConfigDocument::CellularConfigDocument() {
-}
-
-CellularConfigDocument::~CellularConfigDocument() {
-}
+CellularConfigDocument::CellularConfigDocument() {}
 
 std::string CellularConfigDocument::GetErrorMessage(const std::string& code) {
   base::AutoLock create(config_lock_);
@@ -117,6 +113,15 @@ void CellularConfigDocument::LoadCellularConfigFile() {
   }
 }
 
+CellularConfigDocument::~CellularConfigDocument() {}
+
+void CellularConfigDocument::SetErrorMap(
+    const ErrorMap& map) {
+  base::AutoLock create(config_lock_);
+  error_map_.clear();
+  error_map_.insert(map.begin(), map.end());
+}
+
 bool CellularConfigDocument::LoadFromFile(const FilePath& config_path) {
   std::string config;
   if (!file_util::ReadFileToString(config_path, &config))
@@ -153,13 +158,6 @@ bool CellularConfigDocument::LoadFromFile(const FilePath& config_path) {
   return true;
 }
 
-void CellularConfigDocument::SetErrorMap(
-    const ErrorMap& map) {
-  base::AutoLock create(config_lock_);
-  error_map_.clear();
-  error_map_.insert(map.begin(), map.end());
-}
-
 ////////////////////////////////////////////////////////////////////////////////
 //
 // MobileActivator
diff --git a/chrome/browser/chromeos/mobile/mobile_activator.h b/chrome/browser/chromeos/mobile/mobile_activator.h
index cd5bc50..3b7e881 100644
--- a/chrome/browser/chromeos/mobile/mobile_activator.h
+++ b/chrome/browser/chromeos/mobile/mobile_activator.h
@@ -22,7 +22,6 @@ class CellularConfigDocument
     : public base::RefCountedThreadSafe<CellularConfigDocument> {
  public:
   CellularConfigDocument();
-  virtual ~CellularConfigDocument();
 
   // Return error message for a given code.
   std::string GetErrorMessage(const std::string& code);
@@ -30,8 +29,11 @@ class CellularConfigDocument
   const std::string& version() { return version_; }
 
  private:
+  friend class base::RefCountedThreadSafe<CellularConfigDocument>;
   typedef std::map<std::string, std::string> ErrorMap;
 
+  virtual ~CellularConfigDocument();
+
   void SetErrorMap(const ErrorMap& map);
   bool LoadFromFile(const FilePath& config_path);
 
diff --git a/chrome/browser/chromeos/notifications/system_notification.cc b/chrome/browser/chromeos/notifications/system_notification.cc
index efaaa1d..587ce48 100644
--- a/chrome/browser/chromeos/notifications/system_notification.cc
+++ b/chrome/browser/chromeos/notifications/system_notification.cc
@@ -141,4 +141,6 @@ SystemNotification::Delegate::GetRenderViewHost() const {
   return NULL;
 }
 
+SystemNotification::Delegate::~Delegate() {}
+
 }  // namespace chromeos
diff --git a/chrome/browser/chromeos/notifications/system_notification.h b/chrome/browser/chromeos/notifications/system_notification.h
index 40d97de..f9d78b9 100644
--- a/chrome/browser/chromeos/notifications/system_notification.h
+++ b/chrome/browser/chromeos/notifications/system_notification.h
@@ -79,6 +79,9 @@ class SystemNotification : public PowerManagerClient::Observer {
     virtual std::string id() const OVERRIDE;
     virtual content::RenderViewHost* GetRenderViewHost() const OVERRIDE;
 
+   protected:
+    virtual ~Delegate();
+
    private:
     std::string id_;
 
diff --git a/chrome/browser/chromeos/web_socket_proxy.cc b/chrome/browser/chromeos/web_socket_proxy.cc
index eb7ef07..28d14f1 100644
--- a/chrome/browser/chromeos/web_socket_proxy.cc
+++ b/chrome/browser/chromeos/web_socket_proxy.cc
@@ -464,11 +464,11 @@ class SSLChan : public MessageLoopForIO::Watcher {
       DCHECK(host_->data());
     }
 
+   protected:
     virtual ~DerivedIOBufferWithSize() {
       data_ = NULL;  // We do not own memory, bypass base class destructor.
     }
 
-   protected:
     scoped_refptr<net::IOBuffer> host_;
   };
 
diff --git a/chrome/browser/extensions/api/terminal/terminal_private_api.cc b/chrome/browser/extensions/api/terminal/terminal_private_api.cc
index c70cfdf..91e1483 100644
--- a/chrome/browser/extensions/api/terminal/terminal_private_api.cc
+++ b/chrome/browser/extensions/api/terminal/terminal_private_api.cc
@@ -114,6 +114,8 @@ void OpenTerminalProcessFunction::OpenOnFileThread() {
       base::Bind(&OpenTerminalProcessFunction::RespondOnUIThread, this, pid));
 }
 
+SendInputToTerminalProcessFunction::~SendInputToTerminalProcessFunction() {}
+
 void OpenTerminalProcessFunction::RespondOnUIThread(pid_t pid) {
   result_.reset(new base::FundamentalValue(pid));
   SendResponse(true);
@@ -149,6 +151,8 @@ void SendInputToTerminalProcessFunction::RespondOnUIThread(bool success) {
   SendResponse(true);
 }
 
+CloseTerminalProcessFunction::~CloseTerminalProcessFunction() {}
+
 bool CloseTerminalProcessFunction::RunTerminalFunction() {
   if (args_->GetSize() != 1)
     return false;
@@ -176,6 +180,8 @@ void CloseTerminalProcessFunction::RespondOnUIThread(bool success) {
   SendResponse(true);
 }
 
+OnTerminalResizeFunction::~OnTerminalResizeFunction() {}
+
 bool OnTerminalResizeFunction::RunTerminalFunction() {
   if (args_->GetSize() != 3)
     return false;
diff --git a/chrome/browser/extensions/api/terminal/terminal_private_api.h b/chrome/browser/extensions/api/terminal/terminal_private_api.h
index 9bb4b26..ae66932 100644
--- a/chrome/browser/extensions/api/terminal/terminal_private_api.h
+++ b/chrome/browser/extensions/api/terminal/terminal_private_api.h
@@ -53,6 +53,8 @@ class SendInputToTerminalProcessFunction : public TerminalPrivateFunction {
   DECLARE_EXTENSION_FUNCTION_NAME("terminalPrivate.sendInput")
 
  protected:
+  virtual ~SendInputToTerminalProcessFunction();
+
   // TerminalPrivateFunction:
   virtual bool RunTerminalFunction() OVERRIDE;
 
@@ -67,6 +69,8 @@ class CloseTerminalProcessFunction : public TerminalPrivateFunction {
   DECLARE_EXTENSION_FUNCTION_NAME("terminalPrivate.closeTerminalProcess")
 
  protected:
+  virtual ~CloseTerminalProcessFunction();
+
   virtual bool RunTerminalFunction() OVERRIDE;
 
  private:
@@ -80,6 +84,8 @@ class OnTerminalResizeFunction : public TerminalPrivateFunction {
   DECLARE_EXTENSION_FUNCTION_NAME("terminalPrivate.onTerminalResize")
 
  protected:
+  virtual ~OnTerminalResizeFunction();
+
   virtual bool RunTerminalFunction() OVERRIDE;
 
  private:
diff --git a/chrome/browser/policy/app_pack_updater.cc b/chrome/browser/policy/app_pack_updater.cc
index 6d32cb1..32c46b2 100644
--- a/chrome/browser/policy/app_pack_updater.cc
+++ b/chrome/browser/policy/app_pack_updater.cc
@@ -52,7 +52,6 @@ class AppPackExternalExtensionLoader
       public base::SupportsWeakPtr<AppPackExternalExtensionLoader> {
  public:
   AppPackExternalExtensionLoader() {}
-  virtual ~AppPackExternalExtensionLoader() {}
 
   // Used by the AppPackUpdater to update the current list of extensions.
   // The format of |prefs| is detailed in the ExternalExtensionLoader/Provider
@@ -70,6 +69,9 @@ class AppPackExternalExtensionLoader
     LoadFinished();
   }
 
+ protected:
+  virtual ~AppPackExternalExtensionLoader() {}
+
  private:
   base::DictionaryValue app_pack_prefs_;
 
diff --git a/chrome/browser/ui/views/extensions/extension_dialog.h b/chrome/browser/ui/views/extensions/extension_dialog.h
index 272f270..3445eb5 100644
--- a/chrome/browser/ui/views/extensions/extension_dialog.h
+++ b/chrome/browser/ui/views/extensions/extension_dialog.h
@@ -29,8 +29,6 @@ class ExtensionDialog : public views::WidgetDelegate,
                         public content::NotificationObserver,
                         public base::RefCounted<ExtensionDialog> {
  public:
-  virtual ~ExtensionDialog();
-
   // Create and show a dialog with |url| centered over the browser window.
   // |browser| is the browser to which the pop-up will be attached.
   // |web_contents| is the tab that spawned the dialog.
@@ -92,7 +90,12 @@ class ExtensionDialog : public views::WidgetDelegate,
                        const content::NotificationSource& source,
                        const content::NotificationDetails& details) OVERRIDE;
 
+ protected:
+  virtual ~ExtensionDialog();
+
  private:
+  friend class base::RefCounted<ExtensionDialog>;
+
   // Use Show() to create instances.
   ExtensionDialog(ExtensionHost* host, ExtensionDialogObserver* observer);
 
diff --git a/chrome/browser/ui/webui/about_ui.cc b/chrome/browser/ui/webui/about_ui.cc
index b1a3e38..856aca4 100644
--- a/chrome/browser/ui/webui/about_ui.cc
+++ b/chrome/browser/ui/webui/about_ui.cc
@@ -193,6 +193,8 @@ class ChromeOSTermsHandler
   }
 
  private:
+  friend class base::RefCountedThreadSafe<ChromeOSTermsHandler>;
+
   ChromeOSTermsHandler(AboutUIHTMLSource* source,
                        const std::string& path,
                        int request_id)
@@ -202,6 +204,8 @@ class ChromeOSTermsHandler
       locale_(chromeos::WizardController::GetInitialLocale()) {
   }
 
+  ~ChromeOSTermsHandler() {}
+
   void StartOnUIThread() {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
     BrowserThread::PostTask(
diff --git a/chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc b/chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc
index ebd296b..ceb6756 100644
--- a/chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/proxy_settings_ui.cc
@@ -36,11 +36,14 @@ class ProxySettingsHTMLSource : public ChromeURLDataManager::DataSource {
   // the path we registered.
   virtual void StartDataRequest(const std::string& path,
                                 bool is_incognito,
-                                int request_id);
-  virtual std::string GetMimeType(const std::string&) const {
+                                int request_id) OVERRIDE;
+  virtual std::string GetMimeType(const std::string&) const OVERRIDE {
     return "text/html";
   }
 
+ protected:
+  virtual ~ProxySettingsHTMLSource() {}
+
  private:
   scoped_ptr<DictionaryValue> localized_strings_;
 
diff --git a/chrome/browser/ui/webui/chromeos/sim_unlock_ui.cc b/chrome/browser/ui/webui/chromeos/sim_unlock_ui.cc
index ea7825e..a5be6bd 100644
--- a/chrome/browser/ui/webui/chromeos/sim_unlock_ui.cc
+++ b/chrome/browser/ui/webui/chromeos/sim_unlock_ui.cc
@@ -170,6 +170,10 @@ class SimUnlockHandler : public WebUIMessageHandler,
     }
 
    private:
+    friend class base::RefCountedThreadSafe<TaskProxy>;
+
+    ~TaskProxy() {}
+
     base::WeakPtr<SimUnlockHandler> handler_;
 
     // Pending code input (PIN/PUK).
diff --git a/content/browser/renderer_host/image_transport_client.h b/content/browser/renderer_host/image_transport_client.h
index b18ea2f..7abeb3a 100644
--- a/content/browser/renderer_host/image_transport_client.h
+++ b/content/browser/renderer_host/image_transport_client.h
@@ -21,8 +21,6 @@ class ImageTransportFactory;
 // data is only valid after the first Update().
 class ImageTransportClient : public ui::Texture {
  public:
-  virtual ~ImageTransportClient() {}
-
   // Initializes the client with the surface id.
   virtual bool Initialize(uint64* surface_handle) = 0;
 
@@ -39,6 +37,7 @@ class ImageTransportClient : public ui::Texture {
 
  protected:
   ImageTransportClient(bool flipped, const gfx::Size& size);
+  virtual ~ImageTransportClient() {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ImageTransportClient);
diff --git a/content/browser/renderer_host/image_transport_client_linux.cc b/content/browser/renderer_host/image_transport_client_linux.cc
index a3425f2..dd6aeb9 100644
--- a/content/browser/renderer_host/image_transport_client_linux.cc
+++ b/content/browser/renderer_host/image_transport_client_linux.cc
@@ -49,17 +49,7 @@ class ImageTransportClientEGL : public ImageTransportClient {
         image_(NULL) {
   }
 
-  virtual ~ImageTransportClientEGL() {
-    scoped_ptr<gfx::ScopedMakeCurrent> bind(factory_->GetScopedMakeCurrent());
-    if (image_)
-      eglDestroyImageKHR(gfx::GLSurfaceEGL::GetHardwareDisplay(), image_);
-    unsigned int texture = texture_id();
-    if (texture)
-      glDeleteTextures(1, &texture);
-    glFlush();
-  }
-
-  virtual bool Initialize(uint64* surface_handle) {
+  virtual bool Initialize(uint64* surface_handle) OVERRIDE {
     scoped_ptr<gfx::ScopedMakeCurrent> bind(factory_->GetScopedMakeCurrent());
     image_ = eglCreateImageKHR(
         gfx::GLSurfaceEGL::GetHardwareDisplay(), EGL_NO_CONTEXT,
@@ -73,11 +63,22 @@ class ImageTransportClientEGL : public ImageTransportClient {
     return true;
   }
 
-  virtual void Update() { }
-  virtual TransportDIB::Handle Handle() const {
+  virtual void Update() OVERRIDE {}
+  virtual TransportDIB::Handle Handle() const OVERRIDE {
     return TransportDIB::DefaultHandleValue();
   }
 
+ protected:
+  virtual ~ImageTransportClientEGL() {
+    scoped_ptr<gfx::ScopedMakeCurrent> bind(factory_->GetScopedMakeCurrent());
+    if (image_)
+      eglDestroyImageKHR(gfx::GLSurfaceEGL::GetHardwareDisplay(), image_);
+    unsigned int texture = texture_id();
+    if (texture)
+      glDeleteTextures(1, &texture);
+    glFlush();
+  }
+
  private:
   ImageTransportFactory* factory_;
   EGLImageKHR image_;
@@ -93,23 +94,7 @@ class ImageTransportClientGLX : public ImageTransportClient {
         acquired_(false) {
   }
 
-  virtual ~ImageTransportClientGLX() {
-    scoped_ptr<gfx::ScopedMakeCurrent> bind(factory_->GetScopedMakeCurrent());
-    Display* dpy = base::MessagePumpForUI::GetDefaultXDisplay();
-    if (glx_pixmap_) {
-      if (acquired_)
-        glXReleaseTexImageEXT(dpy, glx_pixmap_, GLX_FRONT_LEFT_EXT);
-      glXDestroyGLXPixmap(dpy, glx_pixmap_);
-    }
-    if (pixmap_)
-      XFreePixmap(dpy, pixmap_);
-    unsigned int texture = texture_id();
-    if (texture)
-      glDeleteTextures(1, &texture);
-    glFlush();
-  }
-
-  virtual bool Initialize(uint64* surface_handle) {
+  virtual bool Initialize(uint64* surface_handle) OVERRIDE {
     TRACE_EVENT0("renderer_host", "ImageTransportClientGLX::Initialize");
     Display* dpy = base::MessagePumpForUI::GetDefaultXDisplay();
 
@@ -136,7 +121,7 @@ class ImageTransportClientGLX : public ImageTransportClient {
     return true;
   }
 
-  virtual void Update() {
+  virtual void Update() OVERRIDE {
     TRACE_EVENT0("renderer_host", "ImageTransportClientGLX::Update");
     Display* dpy = base::MessagePumpForUI::GetDefaultXDisplay();
     scoped_ptr<gfx::ScopedMakeCurrent> bind(factory_->GetScopedMakeCurrent());
@@ -148,10 +133,27 @@ class ImageTransportClientGLX : public ImageTransportClient {
     glFlush();
   }
 
-  virtual TransportDIB::Handle Handle() const {
+  virtual TransportDIB::Handle Handle() const OVERRIDE {
     return TransportDIB::DefaultHandleValue();
   }
 
+ protected:
+  virtual ~ImageTransportClientGLX() {
+    scoped_ptr<gfx::ScopedMakeCurrent> bind(factory_->GetScopedMakeCurrent());
+    Display* dpy = base::MessagePumpForUI::GetDefaultXDisplay();
+    if (glx_pixmap_) {
+      if (acquired_)
+        glXReleaseTexImageEXT(dpy, glx_pixmap_, GLX_FRONT_LEFT_EXT);
+      glXDestroyGLXPixmap(dpy, glx_pixmap_);
+    }
+    if (pixmap_)
+      XFreePixmap(dpy, pixmap_);
+    unsigned int texture = texture_id();
+    if (texture)
+      glDeleteTextures(1, &texture);
+    glFlush();
+  }
+
  private:
   static bool InitializeOneOff(Display* dpy) {
     static bool initialized = false;
@@ -237,17 +239,7 @@ class ImageTransportClientOSMesa : public ImageTransportClient {
         factory_(factory) {
   }
 
-  virtual ~ImageTransportClientOSMesa() {
-    unsigned int texture = texture_id();
-    if (texture) {
-      scoped_ptr<gfx::ScopedMakeCurrent> bind(
-          factory_->GetScopedMakeCurrent());
-      glDeleteTextures(1, &texture);
-      glFlush();
-    }
-  }
-
-  virtual bool Initialize(uint64* surface_handle) {
+  virtual bool Initialize(uint64* surface_handle) OVERRIDE {
     // We expect to make the handle here, so don't want the other end giving us
     // one.
     DCHECK_EQ(*surface_handle, static_cast<uint64>(0));
@@ -270,7 +262,7 @@ class ImageTransportClientOSMesa : public ImageTransportClient {
     return true;
   }
 
-  virtual void Update() {
+  virtual void Update() OVERRIDE {
     glBindTexture(GL_TEXTURE_2D, texture_id());
     glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA,
                  size().width(), size().height(), 0,
@@ -278,7 +270,20 @@ class ImageTransportClientOSMesa : public ImageTransportClient {
     glFlush();
   }
 
-  virtual TransportDIB::Handle Handle() const { return shared_mem_->handle(); }
+  virtual TransportDIB::Handle Handle() const OVERRIDE {
+    return shared_mem_->handle();
+  }
+
+ protected:
+  virtual ~ImageTransportClientOSMesa() {
+    unsigned int texture = texture_id();
+    if (texture) {
+      scoped_ptr<gfx::ScopedMakeCurrent> bind(
+          factory_->GetScopedMakeCurrent());
+      glDeleteTextures(1, &texture);
+      glFlush();
+    }
+  }
 
  private:
   ImageTransportFactory* factory_;
diff --git a/content/browser/renderer_host/image_transport_factory.cc b/content/browser/renderer_host/image_transport_factory.cc
index 1b9801e..31885b9 100644
--- a/content/browser/renderer_host/image_transport_factory.cc
+++ b/content/browser/renderer_host/image_transport_factory.cc
@@ -122,12 +122,14 @@ class ImageTransportClientTexture : public ImageTransportClient {
     return true;
   }
 
-  virtual ~ImageTransportClientTexture() {}
   virtual void Update() OVERRIDE {}
   virtual TransportDIB::Handle Handle() const OVERRIDE {
     return TransportDIB::DefaultHandleValue();
   }
 
+ protected:
+  virtual ~ImageTransportClientTexture() {}
+
  private:
   DISALLOW_COPY_AND_ASSIGN(ImageTransportClientTexture);
 };
diff --git a/ui/app_list/app_list_item_view.cc b/ui/app_list/app_list_item_view.cc
index 703efea..714bf32 100644
--- a/ui/app_list/app_list_item_view.cc
+++ b/ui/app_list/app_list_item_view.cc
@@ -122,6 +122,7 @@ class AppListItemView::IconOperation
 
  private:
   friend class base::RefCountedThreadSafe<AppListItemView::IconOperation>;
+  ~IconOperation() {}
 
   base::CancellationFlag cancel_flag_;
 
diff --git a/ui/aura/bench/bench_main.cc b/ui/aura/bench/bench_main.cc
index 1445f08..92a837e 100644
--- a/ui/aura/bench/bench_main.cc
+++ b/ui/aura/bench/bench_main.cc
@@ -142,11 +142,11 @@ class WebGLTexture : public ui::Texture {
                          GL_RGBA, GL_UNSIGNED_BYTE, NULL);
   }
 
+ private:
   virtual ~WebGLTexture() {
     context_->deleteTexture(texture_id());
   }
 
- private:
   WebGraphicsContext3D* context_;
 
   DISALLOW_COPY_AND_ASSIGN(WebGLTexture);
diff --git a/ui/aura/root_window.h b/ui/aura/root_window.h
index 7b5a59f..a0d5811 100644
--- a/ui/aura/root_window.h
+++ b/ui/aura/root_window.h
@@ -60,13 +60,13 @@ class TouchEvent;
 class AURA_EXPORT CompositorLock :
     public base::RefCounted<CompositorLock>,
     public base::SupportsWeakPtr<CompositorLock> {
- public:
-  ~CompositorLock();
-
  private:
+  friend class base::RefCounted<CompositorLock>;
   friend class RootWindow;
 
   CompositorLock(RootWindow* root_window);
+  ~CompositorLock();
+
   void CancelLock();
 
   RootWindow* root_window_;
diff --git a/webkit/chromeos/fileapi/remote_file_system_proxy.h b/webkit/chromeos/fileapi/remote_file_system_proxy.h
index 77e4a04..95f9325 100644
--- a/webkit/chromeos/fileapi/remote_file_system_proxy.h
+++ b/webkit/chromeos/fileapi/remote_file_system_proxy.h
@@ -23,8 +23,6 @@ typedef base::Callback<
 class RemoteFileSystemProxyInterface :
     public base::RefCountedThreadSafe<RemoteFileSystemProxyInterface> {
  public:
-  virtual ~RemoteFileSystemProxyInterface() {}
-
   // Gets the file or directory info for given|path|.
   virtual void GetFileInfo(const GURL& path,
       const FileSystemOperationInterface::GetMetadataCallback& callback) = 0;
@@ -95,6 +93,10 @@ class RemoteFileSystemProxyInterface :
       base::ProcessHandle peer_handle,
       const FileSystemOperationInterface::OpenFileCallback& callback) = 0;
   // TODO(zelidrag): More methods to follow as we implement other parts of FSO.
+
+ protected:
+  friend class base::RefCountedThreadSafe<RemoteFileSystemProxyInterface>;
+  virtual ~RemoteFileSystemProxyInterface() {}
 };
 
 }  // namespace fileapi