Move download messages from Renderer to Frame filter.

chrome/browser/renderer_context_menu/render_view_context_menu.cc

 // Copyright 2014 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.
 
 #include "chrome/browser/renderer_context_menu/render_view_context_menu.h"
 
 #include <stddef.h>
 
 #include <algorithm>
 #include <set>
@@ skipping 1831 matching lines @@
       SaveLinkAs();
       break;
 
     case IDC_CONTENT_CONTEXT_SAVEAVAS:
     case IDC_CONTENT_CONTEXT_SAVEIMAGEAS: {
       bool is_large_data_url = params_.has_image_contents &&
           params_.src_url.is_empty();
       if (params_.media_type == WebContextMenuData::MediaTypeCanvas ||
           (params_.media_type == WebContextMenuData::MediaTypeImage &&
               is_large_data_url)) {
-        source_web_contents_->GetRenderViewHost()->SaveImageAt(
-          params_.x, params_.y);
+        RenderFrameHost* frame_host = GetRenderFrameHost();
+        if (frame_host)
+          frame_host->SaveImageAt(params_.x, params_.y);
       } else {
         RecordDownloadSource(DOWNLOAD_INITIATED_BY_CONTEXT_MENU);
         const GURL& url = params_.src_url;
         content::Referrer referrer = CreateReferrer(url, params_);
 
         std::string headers;
         DataReductionProxyChromeSettings* settings =
             DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
                 browser_context_);
         if (params_.media_type == WebContextMenuData::MediaTypeImage &&
@@ skipping 394 matching lines @@
 }
 
 void RenderViewContextMenu::EscapeAmpersands(base::string16* text) {
   base::ReplaceChars(*text, base::ASCIIToUTF16("&"), base::ASCIIToUTF16("&&"),
                      text);
 }
 
 // Controller functions --------------------------------------------------------
 
 void RenderViewContextMenu::CopyImageAt(int x, int y) {
-  source_web_contents_->GetRenderViewHost()->CopyImageAt(x, y);
+  RenderFrameHost* frame_host = GetRenderFrameHost();
+  if (frame_host)
+    frame_host->CopyImageAt(x, y);
 }
 
 void RenderViewContextMenu::LoadOriginalImage() {
   RenderFrameHost* render_frame_host = GetRenderFrameHost();
   if (!render_frame_host)
     return;
   render_frame_host->Send(new ChromeViewMsg_RequestReloadImageForContextNode(
       render_frame_host->GetRoutingID()));
 }
 
@@ skipping 54 matching lines @@
   source_web_contents_->GetRenderViewHost()->
       ExecuteMediaPlayerActionAtLocation(location, action);
 }
 
 void RenderViewContextMenu::PluginActionAt(
     const gfx::Point& location,
     const WebPluginAction& action) {
   source_web_contents_->GetRenderViewHost()->
       ExecutePluginActionAtLocation(location, action);
 }