Convert RapporRecorder to use mojo.

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 1311 matching lines @@
 #if defined(ENABLE_EXTENSIONS)
   return ChromeExtensionsRendererClient::CreateBrowserPluginDelegate(
     render_frame, mime_type, original_url);
 #else
   return nullptr;
 #endif
 }
 
 void ChromeContentRendererClient::RecordRappor(const std::string& metric,
                                                const std::string& sample) {
-  RenderThread::Get()->Send(new ChromeViewHostMsg_RecordRappor(metric, sample));
+  if (!rappor_recorder_) {

[sky, 2016/10/06 17:28:44]

not {} here and 1340.

[nigeltao1, 2016/10/07 03:30:52]

Done.

I'm a recovering Go programmer. :-)

+    RenderThread::Get()->GetRemoteInterfaces()->GetInterface(&rappor_recorder_);
+  }
+  rappor_recorder_->RecordRappor(metric, sample);
 }
 
 void ChromeContentRendererClient::RecordRapporURL(const std::string& metric,
                                                   const GURL& url) {
-  RenderThread::Get()->Send(new ChromeViewHostMsg_RecordRapporURL(metric, url));
+  if (!rappor_recorder_) {
+    RenderThread::Get()->GetRemoteInterfaces()->GetInterface(&rappor_recorder_);
+  }
+  rappor_recorder_->RecordRapporURL(metric, url);
 }
 
 std::unique_ptr<blink::WebAppBannerClient>
 ChromeContentRendererClient::CreateAppBannerClient(
     content::RenderFrame* render_frame) {
   return std::unique_ptr<blink::WebAppBannerClient>(
       new AppBannerClient(render_frame));
 }
 
 void ChromeContentRendererClient::AddImageContextMenuProperties(
@@ skipping 123 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);
 }