Generate thumbnails in the browser process.

chrome/browser/renderer_host/render_view_host_delegate.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_DELEGATE_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_
 #pragma once
 
 #include <string>
 #include <vector>
@@ skipping 596 matching lines @@
                            int32 page_id,
                            const std::wstring& title) {}
 
   // The page's encoding was changed and should be updated.
   virtual void UpdateEncoding(RenderViewHost* render_view_host,
                               const std::string& encoding) {}
 
   // The destination URL has changed should be updated
   virtual void UpdateTargetURL(int32 page_id, const GURL& url) {}
 
-  // The thumbnail representation of the page changed and should be updated.
-  virtual void UpdateThumbnail(const GURL& url,
-                               const SkBitmap& bitmap,
-                               const ThumbnailScore& score) {}
-
   // Inspector setting was changed and should be persisted.
   virtual void UpdateInspectorSetting(const std::string& key,
                                       const std::string& value) = 0;
 
   virtual void ClearInspectorSettings() = 0;
 
   // The page is trying to close the RenderView's representation in the client.
   virtual void Close(RenderViewHost* render_view_host) {}
 
   // The page is trying to move the RenderView's representation in the client.
@@ skipping 122 matching lines @@
                                 bool remember) {}
 
   // Update the content restrictions, i.e. disable print/copy.
   virtual void UpdateContentRestrictions(int restrictions) {}
 
  protected:
   virtual ~RenderViewHostDelegate() {}
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_DELEGATE_H_