4 files changed, 6 insertions, 1 deletions
diff --git a/chrome/renderer/notification_provider.h b/chrome/renderer/notification_provider.h
index aa1d8f6..80ec832 100644
--- a/chrome/renderer/notification_provider.h
+++ b/chrome/renderer/notification_provider.h
@@ -23,7 +23,7 @@ class WebNotificationPermissionCallback;
 class NotificationProvider : public WebKit::WebNotificationPresenter {
  public:
   explicit NotificationProvider(RenderView* view);
-  ~NotificationProvider() {}
+  virtual ~NotificationProvider() {}
 
   // WebKit::WebNotificationPresenter interface.
   virtual bool show(const WebKit::WebNotification& proxy);
diff --git a/chrome/renderer/pepper_plugin_delegate_impl.h b/chrome/renderer/pepper_plugin_delegate_impl.h
index 5b208e9..fa9fa91 100644
--- a/chrome/renderer/pepper_plugin_delegate_impl.h
+++ b/chrome/renderer/pepper_plugin_delegate_impl.h
@@ -24,6 +24,7 @@ class PepperPluginDelegateImpl
       public base::SupportsWeakPtr<PepperPluginDelegateImpl> {
  public:
   explicit PepperPluginDelegateImpl(RenderView* render_view);
+  virtual ~PepperPluginDelegateImpl() {}
 
   // Called by RenderView to tell us about painting events, these two functions
   // just correspond to the DidInitiatePaint and DidFlushPaint in R.V..
diff --git a/chrome/renderer/renderer_webcookiejar_impl.h b/chrome/renderer/renderer_webcookiejar_impl.h
index f8fee08..f004bed 100644
--- a/chrome/renderer/renderer_webcookiejar_impl.h
+++ b/chrome/renderer/renderer_webcookiejar_impl.h
@@ -20,6 +20,7 @@ class RendererWebCookieJarImpl : public WebKit::WebCookieJar {
   explicit RendererWebCookieJarImpl(IPC::Message::Sender* sender)
       : sender_(sender) {
   }
+  virtual ~RendererWebCookieJarImpl() {}
 
  private:
   // WebKit::WebCookieJar methods:
diff --git a/chrome/renderer/websharedworkerrepository_impl.h b/chrome/renderer/websharedworkerrepository_impl.h
index 7183171..745c094 100644
--- a/chrome/renderer/websharedworkerrepository_impl.h
+++ b/chrome/renderer/websharedworkerrepository_impl.h
@@ -16,12 +16,15 @@ namespace WebKit {
 
 class WebSharedWorkerRepositoryImpl : public WebKit::WebSharedWorkerRepository {
  public:
+    virtual ~WebSharedWorkerRepositoryImpl() {}
+
     virtual void addSharedWorker(WebKit::WebSharedWorker*, DocumentID document);
     virtual void documentDetached(DocumentID document);
 
     // Returns true if the document has created a SharedWorker (used by the
     // WebKit code to determine if the document can be suspended).
     virtual bool hasSharedWorkers(DocumentID document);
+
  private:
     // The set of documents that have created a SharedWorker.
     typedef base::hash_set<DocumentID> DocumentSet;