Move download messages from Renderer to Frame filter.

content/browser/renderer_host/render_view_host_impl.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 CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 #define CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 80 matching lines @@
 
   // RenderViewHost implementation.
   bool Send(IPC::Message* msg) override;
   RenderWidgetHostImpl* GetWidget() const override;
   RenderProcessHost* GetProcess() const override;
   int GetRoutingID() const override;
   RenderFrameHost* GetMainFrame() override;
   void AllowBindings(int binding_flags) override;
   void ClearFocusedElement() override;
   bool IsFocusedElementEditable() override;
-  void CopyImageAt(int x, int y) override;
-  void SaveImageAt(int x, int y) override;
   void DirectoryEnumerationFinished(
       int request_id,
       const std::vector<base::FilePath>& files) override;
   void DisableScrollbarsForThreshold(const gfx::Size& size) override;
   void DragSourceEndedAt(int client_x,
                          int client_y,
                          int screen_x,
                          int screen_y,
                          blink::WebDragOperation operation) override;
   void DragSourceSystemDragEnded() override;
@@ skipping 296 matching lines @@
   bool render_view_ready_on_process_launch_;
 
   base::WeakPtrFactory<RenderViewHostImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewHostImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_IMPL_H_