Request uncompressed images from data reduction proxy when saving.

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 <algorithm>
 #include <set>
 #include <utility>
 
@@ skipping 1292 matching lines @@
     return extension_items_.IsCommandIdChecked(id);
 
   return false;
 }
 
 void RenderViewContextMenu::ExecuteCommand(int id, int event_flags) {
   RenderViewContextMenuBase::ExecuteCommand(id, event_flags);
   if (command_executed_)
     return;
   command_executed_ = true;
-

[Avi (use Gerrit), 2015/03/06 23:55:20]

Why drop the space here?

[Not at Google. Contact bengr, 2015/03/07 00:45:02]

Done.

   RenderFrameHost* render_frame_host = GetRenderFrameHost();
 
   // Process extension menu items.
   if (ContextMenuMatcher::IsExtensionsCustomCommandId(id)) {
     extension_items_.ExecuteCommand(id, source_web_contents_, params_);
     return;
   }
 
   if (id >= IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_FIRST &&
       id <= IDC_CONTENT_CONTEXT_PROTOCOL_HANDLER_LAST) {
@@ skipping 59 matching lines @@
           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);
       } else {
         RecordDownloadSource(DOWNLOAD_INITIATED_BY_CONTEXT_MENU);
         const GURL& url = params_.src_url;
         content::Referrer referrer = CreateSaveAsReferrer(url, params_);
-        source_web_contents_->SaveFrame(url, referrer);
+
+        std::string headers;
+        if (params_.media_type == WebContextMenuData::MediaTypeImage &&
+            !browser_context_->IsOffTheRecord() &&
+            DataReductionProxyChromeSettingsFactory::GetForBrowserContext(
+                browser_context_)->CanUseDataReductionProxy(
+                    params_.src_url)) {
+          headers = data_reduction_proxy::kDataReductionPassThroughHeader;
+        }
+
+        source_web_contents_->SaveFrameWithHeaders(url, referrer, headers);
       }
       break;
     }
 
     case IDC_CONTENT_CONTEXT_COPYLINKLOCATION:
       WriteURLToClipboard(params_.unfiltered_link_url);
       break;
 
     case IDC_CONTENT_CONTEXT_COPYIMAGELOCATION:
     case IDC_CONTENT_CONTEXT_COPYAVLOCATION:
@@ skipping 400 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);
 }