Enabled the "search web for image" context menu item when "Yandex"

chrome/browser/ui/tab_contents/core_tab_helper.h

 // Copyright (c) 2012 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_UI_TAB_CONTENTS_CORE_TAB_HELPER_H_
 #define CHROME_BROWSER_UI_TAB_CONTENTS_CORE_TAB_HELPER_H_
 
 #include "base/time/time.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
@@ skipping 50 matching lines @@
   // content::WebContentsObserver overrides:
   void DidStartLoading(content::RenderViewHost* render_view_host) override;
   void WasShown() override;
   void WebContentsDestroyed() override;
   void BeforeUnloadFired(const base::TimeTicks& proceed_time) override;
   void BeforeUnloadDialogCancelled() override;
   bool OnMessageReceived(const IPC::Message& message,
                          content::RenderFrameHost* render_frame_host) override;
 
   void OnRequestThumbnailForContextNodeACK(const std::string& thumbnail_data,
+                                           const std::string& thumbnail_format,
                                            const gfx::Size& original_size);
 
   // Delegate for notifying our owner about stuff. Not owned by us.
   CoreTabHelperDelegate* delegate_;
 
   // The time when we started to create the new tab page.  This time is from
   // before we created this WebContents.
   base::TimeTicks new_tab_start_time_;
 
   // The time that we started to close this WebContents.
   base::TimeTicks close_start_time_;
 
   // The time when onbeforeunload ended.
   base::TimeTicks before_unload_end_time_;
 
   // The time when the tab was removed from view during close.
   base::TimeTicks unload_detached_start_time_;
 
   // Content restrictions, used to disable print/copy etc based on content's
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   DISALLOW_COPY_AND_ASSIGN(CoreTabHelper);
 };
 
 #endif  // CHROME_BROWSER_UI_TAB_CONTENTS_CORE_TAB_HELPER_H_