Add the "virtual" keyword on method overrides that are missing it.

webkit/glue/plugins/webplugin_impl.h

 // Copyright (c) 2010 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.
 
 #ifndef WEBKIT_GLUE_WEBPLUGIN_IMPL_H_
 #define WEBKIT_GLUE_WEBPLUGIN_IMPL_H_
 
 #include <string>
 #include <map>
 #include <vector>
@@ skipping 86 matching lines @@
   virtual WebKit::WebString selectionAsText() const;
   virtual WebKit::WebString selectionAsMarkup() const;
   virtual void setZoomFactor(float scale, bool text_only);
   virtual bool startFind(const WebKit::WebString& search_text,
                          bool case_sensitive,
                          int identifier);
   virtual void selectFindResult(bool forward);
   virtual void stopFind();
 
   // WebPlugin implementation:
-  void SetWindow(gfx::PluginWindowHandle window);
+  virtual void SetWindow(gfx::PluginWindowHandle window);
   virtual void SetAcceptsInputEvents(bool accepts) {
     accepts_input_events_ = accepts;
   }
-  void WillDestroyWindow(gfx::PluginWindowHandle window);
+  virtual void WillDestroyWindow(gfx::PluginWindowHandle window);
 #if defined(OS_WIN)
   void SetWindowlessPumpEvent(HANDLE pump_messages_event) { }
 #endif
   virtual void CancelResource(unsigned long id);
   virtual void Invalidate();
   virtual void InvalidateRect(const gfx::Rect& rect);
   virtual NPObject* GetWindowScriptNPObject();
   virtual NPObject* GetPluginElement();
   virtual void SetCookie(const GURL& url,
                          const GURL& first_party_for_cookies,
@@ skipping 91 matching lines @@
                        const WebKit::WebURLError& error);
 
   // Helper function to remove the stored information about a resource
   // request given its index in m_clients.
   void RemoveClient(size_t i);
 
   // Helper function to remove the stored information about a resource
   // request given a handle.
   void RemoveClient(WebKit::WebURLLoader* loader);
 
-  void HandleURLRequest(const char* url,
-                        const char *method,
-                        const char* target,
-                        const char* buf,
-                        unsigned int len,
-                        int notify_id,
-                        bool popups_allowed,
-                        bool notify_redirects);
+  virtual void HandleURLRequest(const char* url,
+                                const char *method,
+                                const char* target,
+                                const char* buf,
+                                unsigned int len,
+                                int notify_id,
+                                bool popups_allowed,
+                                bool notify_redirects);
 
-  void CancelDocumentLoad();
+  virtual void CancelDocumentLoad();
 
-  void InitiateHTTPRangeRequest(
+  virtual void InitiateHTTPRangeRequest(
       const char* url, const char* range_info, int pending_request_id);
 
-  void SetDeferResourceLoading(unsigned long resource_id, bool defer);
+  virtual void SetDeferResourceLoading(unsigned long resource_id, bool defer);
 
   // Ignore in-process plugins mode for this flag.
-  bool IsOffTheRecord() { return false; }
+  virtual bool IsOffTheRecord() { return false; }
 
   // Handles HTTP multipart responses, i.e. responses received with a HTTP
   // status code of 206.
   void HandleHttpMultipartResponse(const WebKit::WebURLResponse& response,
                                    WebPluginResourceClient* client);
 
   void HandleURLRequestInternal(const char* url,
                                 const char* method,
                                 const char* target,
                                 const char* buf,
@@ skipping 72 matching lines @@
   std::vector<std::string> arg_values_;
 
   ScopedRunnableMethodFactory<WebPluginImpl> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(WebPluginImpl);
 };
 
 }  // namespace webkit_glue
 
 #endif  // #ifndef WEBKIT_GLUE_WEBPLUGIN_IMPL_H_