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 2151 matching lines @@
   BrowserContext::GetDownloadManager(browser_context_)->DownloadUrl(
       std::move(dl_params));
 }
 
 void RenderViewContextMenu::ExecSaveAs() {
   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 &&
         settings && settings->CanUseDataReductionProxy(params_.src_url)) {
       headers = data_reduction_proxy::kDataReductionPassThroughHeader;
     }
 
     source_web_contents_->SaveFrameWithHeaders(url, referrer, headers);
   }
 }
 
 
 void RenderViewContextMenu::ExecCopyLinkText() {
   ui::ScopedClipboardWriter scw(ui::CLIPBOARD_TYPE_COPY_PASTE);
   scw.WriteText(params_.link_text);
 }
 
 void RenderViewContextMenu::ExecCopyImageAt() {
-  source_web_contents_->GetRenderViewHost()->CopyImageAt(params_.x, params_.y);
+  RenderFrameHost* frame_host = GetRenderFrameHost();
+  if (frame_host)
+    frame_host->CopyImageAt(params_.x, params_.y);
 }
 
 void RenderViewContextMenu::ExecSearchWebForImage() {
   CoreTabHelper* core_tab_helper =
       CoreTabHelper::FromWebContents(source_web_contents_);
   if (!core_tab_helper)
     return;
   RenderFrameHost* render_frame_host = GetRenderFrameHost();
   if (!render_frame_host)
     return;
@@ skipping 177 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);
 }