7 files changed, 12 insertions, 7 deletions
diff --git a/webkit/fileapi/file_system_file_util.h b/webkit/fileapi/file_system_file_util.h
index f489490..b0e23cf 100644
--- a/webkit/fileapi/file_system_file_util.h
+++ b/webkit/fileapi/file_system_file_util.h
@@ -240,6 +240,7 @@ class FileSystemFileUtil {
 
  protected:
   FileSystemFileUtil() { }
+  virtual ~FileSystemFileUtil() { }
 
   // Deletes a directory and all entries under the directory.
   //
diff --git a/webkit/fileapi/quota_file_util.h b/webkit/fileapi/quota_file_util.h
index 4a9c952..eb34541 100644
--- a/webkit/fileapi/quota_file_util.h
+++ b/webkit/fileapi/quota_file_util.h
@@ -14,7 +14,7 @@ namespace fileapi {
 class QuotaFileUtil : public FileSystemFileUtil {
  public:
   static QuotaFileUtil* GetInstance();
-  ~QuotaFileUtil() {}
+  virtual ~QuotaFileUtil() {}
 
   static const int64 kNoLimit;
 
diff --git a/webkit/glue/resource_fetcher.h b/webkit/glue/resource_fetcher.h
index ca666c7..0a9de89 100644
--- a/webkit/glue/resource_fetcher.h
+++ b/webkit/glue/resource_fetcher.h
@@ -45,7 +45,7 @@ class ResourceFetcher : public WebKit::WebURLLoaderClient {
   ResourceFetcher(
       const GURL& url, WebKit::WebFrame* frame,
       WebKit::WebURLRequest::TargetType target_type, Callback* callback);
-  ~ResourceFetcher();
+  virtual ~ResourceFetcher();
 
   // Stop the request and don't call the callback.
   void Cancel();
diff --git a/webkit/glue/resource_fetcher_unittest.cc b/webkit/glue/resource_fetcher_unittest.cc
index 2888a94..9ef0fc6 100644
--- a/webkit/glue/resource_fetcher_unittest.cc
+++ b/webkit/glue/resource_fetcher_unittest.cc
@@ -40,6 +40,8 @@ class FetcherDelegate {
     StartTimer();
   }
 
+  virtual ~FetcherDelegate() {}
+
   ResourceFetcher::Callback* NewCallback() {
     return ::NewCallback(this, &FetcherDelegate::OnURLFetchComplete);
   }
@@ -173,12 +175,14 @@ TEST_F(ResourceFetcherTests, ResourceFetcherTimeout) {
 
 class EvilFetcherDelegate : public FetcherDelegate {
  public:
+  virtual ~EvilFetcherDelegate() {}
+
   void SetFetcher(ResourceFetcher* fetcher) {
     fetcher_.reset(fetcher);
   }
 
-  void OnURLFetchComplete(const WebURLResponse& response,
-                          const std::string& data) {
+  virtual void OnURLFetchComplete(const WebURLResponse& response,
+                                  const std::string& data) {
     // Destroy the ResourceFetcher here.  We are testing that upon returning
     // to the ResourceFetcher that it does not crash.
     fetcher_.reset();
diff --git a/webkit/plugins/ppapi/mock_plugin_delegate.h b/webkit/plugins/ppapi/mock_plugin_delegate.h
index db2db0c..940dece 100644
--- a/webkit/plugins/ppapi/mock_plugin_delegate.h
+++ b/webkit/plugins/ppapi/mock_plugin_delegate.h
@@ -13,7 +13,7 @@ namespace ppapi {
 class MockPluginDelegate : public PluginDelegate {
  public:
   MockPluginDelegate();
-  ~MockPluginDelegate();
+  virtual ~MockPluginDelegate();
 
   virtual void PluginFocusChanged(bool focused);
   virtual void PluginCrashed(PluginInstance* instance);
diff --git a/webkit/plugins/ppapi/ppapi_webplugin_impl.h b/webkit/plugins/ppapi/ppapi_webplugin_impl.h
index 5644e94..e35471f 100644
--- a/webkit/plugins/ppapi/ppapi_webplugin_impl.h
+++ b/webkit/plugins/ppapi/ppapi_webplugin_impl.h
@@ -35,7 +35,7 @@ class WebPluginImpl : public WebKit::WebPlugin {
  private:
   friend class DeleteTask<WebPluginImpl>;
 
-  ~WebPluginImpl();
+  virtual ~WebPluginImpl();
 
   // WebKit::WebPlugin implementation.
   virtual bool initialize(WebKit::WebPluginContainer* container);
diff --git a/webkit/tools/test_shell/test_webview_delegate.h b/webkit/tools/test_shell/test_webview_delegate.h
index bacdd40..5673443 100644
--- a/webkit/tools/test_shell/test_webview_delegate.h
+++ b/webkit/tools/test_shell/test_webview_delegate.h
@@ -251,7 +251,7 @@ class TestWebViewDelegate : public WebKit::WebViewClient,
   virtual WebKit::WebCookieJar* GetCookieJar();
 
   TestWebViewDelegate(TestShell* shell);
-  ~TestWebViewDelegate();
+  virtual ~TestWebViewDelegate();
   void Reset();
 
   void SetSmartInsertDeleteEnabled(bool enabled);