Fix 'Load image' context menu item

chrome/renderer/chrome_content_renderer_client.cc

 // 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.
 
 #include "chrome/renderer/chrome_content_renderer_client.h"
 
 #include <memory>
 #include <utility>
 
 #include "base/command_line.h"
@@ skipping 1342 matching lines @@
   if (!rappor_recorder_)
     RenderThread::Get()->GetRemoteInterfaces()->GetInterface(&rappor_recorder_);
   rappor_recorder_->RecordRapporURL(metric, url);
 }
 
 void ChromeContentRendererClient::AddImageContextMenuProperties(
     const WebURLResponse& response,
     std::map<std::string, std::string>* properties) {
   DCHECK(properties);
   WebString header_key(ASCIIToUTF16(
-      data_reduction_proxy::chrome_proxy_header()));
+      data_reduction_proxy::chrome_proxy_content_transform_header()));
   if (!response.httpHeaderField(header_key).isNull() &&
       data_reduction_proxy::IsEmptyImagePreview(
           response.httpHeaderField(header_key).utf8())) {
     (*properties)[
         data_reduction_proxy::chrome_proxy_content_transform_header()] =
             data_reduction_proxy::empty_image_directive();
   }
 }
 
 void ChromeContentRendererClient::RunScriptsAtDocumentStart(
@@ skipping 108 matching lines @@
 
   url::Replacements<char> r;
   r.SetPath(path.c_str(), url::Component(0, path.length()));
 
   if (result == internal::NUM_PLUGIN_ERROR)
     result = invalid_url ? internal::SUCCESS_PARAMS_REWRITE : internal::SUCCESS;
 
   RecordYouTubeRewriteUMA(result);
   return corrected_url.ReplaceComponents(r);
 }