This CL makes the TranslationService class send the text to be translated to ...

chrome/browser/renderer_host/render_view_host.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 CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 420 matching lines @@
 
   // Notifies the renderer that its view type has changed.
   void ViewTypeChanged(ViewType::Type type);
 
   // Tells the 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.
   void PerformCustomContextMenuAction(unsigned action);
 
+  // Tells the renderer to translate the current page from one language to
+  // another.  If the current page id is not |page_id|, the request is ignored.
+  void TranslatePage(int page_id,
+                     const std::string& source_lang,
+                     const std::string& target_lang);
+
  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();
   virtual void OnMsgFocusedNodeChanged();
 
@@ skipping 209 matching lines @@
   // True if the render view can be shut down suddenly.
   bool sudden_termination_allowed_;
 
   // The session storage namespace id to be used by the associated render view.
   int64 session_storage_namespace_id_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_