Replace image_messages.h with Mojo service

content/test/test_web_contents.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 "content/test/test_web_contents.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "content/browser/browser_url_handler_impl.h"
@@ skipping 46 matching lines @@
 TestRenderFrameHost* TestWebContents::GetPendingMainFrame() const {
   if (base::CommandLine::ForCurrentProcess()->HasSwitch(
           switches::kEnableBrowserSideNavigation)) {
     return static_cast<TestRenderFrameHost*>(
         GetRenderManager()->speculative_render_frame_host_.get());
   }
   return static_cast<TestRenderFrameHost*>(
       GetRenderManager()->pending_frame_host());
 }
 
+int TestWebContents::DownloadImage(const GURL& url,
+                                   bool is_favicon,
+                                   uint32_t max_bitmap_size,
+                                   bool bypass_cache,
+                                   const ImageDownloadCallback& callback) {
+  static int g_next_image_download_id = 0;
+  return ++g_next_image_download_id;
+}
+
 void TestWebContents::TestDidNavigate(RenderFrameHost* render_frame_host,
                                       int page_id,
                                       int nav_entry_id,
                                       bool did_create_new_entry,
                                       const GURL& url,
                                       ui::PageTransition transition) {
   TestDidNavigateWithReferrer(render_frame_host,
                               page_id,
                               nav_entry_id,
                               did_create_new_entry,
@@ skipping 212 matching lines @@
 void TestWebContents::ShowCreatedFullscreenWidget(int route_id) {
 }
 
 void TestWebContents::SaveFrameWithHeaders(const GURL& url,
                                            const Referrer& referrer,
                                            const std::string& headers) {
   save_frame_headers_ = headers;
 }
 
 }  // namespace content