Revert 35735 - Relanding the language detection code....

chrome/browser/renderer_host/render_view_host.h

 // Copyright (c) 2009 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 CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 194 matching lines @@
   void StartFinding(int request_id,
                     const string16& search_string,
                     bool forward,
                     bool match_case,
                     bool find_next);
 
   // Cancel a pending find operation. If |clear_selection| is true, it will also
   // clear the selection on the focused frame.
   void StopFinding(bool clear_selection);
 
+  // Get the most probable language of the text content in the tab. This sends
+  // a message to the render view to get the content of the page as text. The
+  // caller gets the language via the NotificationService by registering to the
+  // NotificationType TAB_LANGUAGE_DETERMINED.
+  void GetPageLanguage();
+
   // Change the zoom level of a page.
   void Zoom(PageZoom::Function function);
 
   // Change the encoding of the page.
   void SetPageEncoding(const std::string& encoding);
 
   // Reset any override encoding on the page and change back to default.
   void ResetPageEncodingToDefault();
 
   // Change the alternate error page URL.  An empty GURL disables the use of
@@ skipping 185 matching lines @@
   virtual void ForwardEditCommandsForNextKeyEvent(
       const EditCommands& edit_commands);
   virtual gfx::Rect GetRootWindowResizerRect() const;
 
   // Creates a new RenderView with the given route id.
   void CreateNewWindow(int route_id);
 
   // Creates a new RenderWidget with the given route id.
   void CreateNewWidget(int route_id, bool activatable);
 
-  // Sends the response to an extension api call.
+  // Send the response to an extension api call.
   void SendExtensionResponse(int request_id, bool success,
                              const std::string& response,
                              const std::string& error);
 
-  // Sends a response to an extension api call that it was blocked for lack of
+  // Send a response to an extension api call that it was blocked for lack of
   // permission.
   void BlockExtensionRequest(int request_id);
 
-  // Notifies the renderer that its view type has changed.
+  // Notify the renderer that its view type has changed.
   void ViewTypeChanged(ViewType::Type type);
 
-  // Tells the renderer which browser window it is being attached to.
+  // Tell renderer which browser window it is being attached to.
   void UpdateBrowserWindowId(int window_id);
 
-  // Tells the render view that a custom context action has been selected.
+  // Tell render view that custom context action has been selected.
   void PerformCustomContextMenuAction(unsigned action);
 
  protected:
   // RenderWidgetHost protected overrides.
   virtual bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                                       bool* is_keyboard_shortcut);
   virtual void UnhandledKeyboardEvent(const NativeWebKeyboardEvent& event);
   virtual void OnUserGesture();
   virtual void NotifyRendererUnresponsive();
   virtual void NotifyRendererResponsive();
@@ skipping 36 matching lines @@
                                             const GURL& url);
   void OnMsgDidFailProvisionalLoadWithError(bool main_frame,
                                             int error_code,
                                             const GURL& url,
                                             bool showing_repost_interstitial);
   void OnMsgFindReply(int request_id,
                       int number_of_matches,
                       const gfx::Rect& selection_rect,
                       int active_match_ordinal,
                       bool final_update);
+  void OnDeterminePageTextReply(const std::wstring& tab_text);
   void OnExecuteCodeFinished(int request_id, bool success);
   void OnMsgUpdateFavIconURL(int32 page_id, const GURL& icon_url);
   void OnMsgDidDownloadFavIcon(int id,
                                const GURL& image_url,
                                bool errored,
                                const SkBitmap& image_data);
   void OnMsgContextMenu(const ContextMenuParams& params);
   void OnMsgOpenURL(const GURL& url, const GURL& referrer,
                     WindowOpenDisposition disposition);
   void OnMsgDidContentsPreferredSizeChange(const gfx::Size& new_size);
@@ skipping 77 matching lines @@
                                      const string16& text,
                                      int notification_id);
   void OnCancelDesktopNotification(int notification_id);
   void OnRequestNotificationPermission(const GURL& origin, int callback_id);
 
   void OnExtensionRequest(const std::string& name, const ListValue& args,
                           int request_id, bool has_callback);
   void OnExtensionPostMessage(int port_id, const std::string& message);
   void OnAccessibilityFocusChange(int acc_obj_id);
   void OnCSSInserted();
-  void OnPageContents(const GURL& url,
-                      int32 page_id,
-                      const std::wstring& contents);
 
  private:
   friend class TestRenderViewHost;
 
   void UpdateBackForwardListCount();
 
   // NotificationObserver implementation.
   void Observe(NotificationType type,
                const NotificationSource& source,
                const NotificationDetails& details);
@@ skipping 58 matching lines @@
 
   // True if the render view can be shut down suddenly.
   bool sudden_termination_allowed_;
 
   NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_