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

chrome/browser/renderer_host/render_view_host.h

Index: chrome/browser/renderer_host/render_view_host.h
===================================================================
--- chrome/browser/renderer_host/render_view_host.h	(revision 35751)
+++ chrome/browser/renderer_host/render_view_host.h	(working copy)
@@ -212,6 +212,12 @@
   // 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);
 
@@ -417,22 +423,22 @@
   // 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:
@@ -489,6 +495,7 @@
                       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,
@@ -586,9 +593,6 @@
   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;