Convert ChromeViewHostMsg_UpdatedCacheStats to use mojo.

chrome/renderer/chrome_render_thread_observer.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_render_thread_observer.h"
 
 #include <stddef.h>
 
 #include <limits>
 #include <memory>
@@ skipping 10 matching lines @@
 #include "base/memory/weak_ptr.h"
 #include "base/metrics/field_trial.h"
 #include "base/metrics/histogram.h"
 #include "base/metrics/statistics_recorder.h"
 #include "base/path_service.h"
 #include "base/single_thread_task_runner.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/threading/platform_thread.h"
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
+#include "chrome/common/cache_stats_recorder.mojom.h"
 #include "chrome/common/child_process_logging.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/field_trial_recorder.mojom.h"
 #include "chrome/common/media/media_resource_provider.h"
 #include "chrome/common/net/net_resource_provider.h"
 #include "chrome/common/render_messages.h"
 #include "chrome/common/resource_usage_reporter.mojom.h"
 #include "chrome/common/resource_usage_reporter_type_converters.h"
 #include "chrome/common/url_constants.h"
 #include "chrome/renderer/content_settings_observer.h"
@@ skipping 69 matching lines @@
         std::move(current_peer), RenderThread::Get(), mime_type, url);
 #else
     return current_peer;
 #endif
   }
 
  private:
   void InformHostOfCacheStats() {
     WebCache::UsageStats stats;
     WebCache::getUsageStats(&stats);
-    RenderThread::Get()->Send(new ChromeViewHostMsg_UpdatedCacheStats(
-        static_cast<uint64_t>(stats.capacity),
-        static_cast<uint64_t>(stats.size)));
+    chrome::mojom::CacheStatsRecorderPtr cache_stats_recorder;

[Sam McNally, 2017/01/24 04:06:15]

This one feels like the connection should be reused.

[nigeltao1, 2017/02/02 05:20:59]

Done.

+    RenderThread::Get()->GetRemoteInterfaces()->GetInterface(
+        &cache_stats_recorder);
+    cache_stats_recorder->RecordCacheStats(stats.capacity, stats.size);
   }
 
   base::WeakPtrFactory<RendererResourceDelegate> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererResourceDelegate);
 };
 
 static const int kWaitForWorkersStatsTimeoutMS = 20;
 
 class ResourceUsageReporterImpl : public chrome::mojom::ResourceUsageReporter {
@@ skipping 199 matching lines @@
 void ChromeRenderThreadObserver::OnSetFieldTrialGroup(
     const std::string& trial_name,
     const std::string& group_name) {
   field_trial_syncer_.OnSetFieldTrialGroup(trial_name, group_name);
 }
 
 const RendererContentSettingRules*
 ChromeRenderThreadObserver::content_setting_rules() const {
   return &content_setting_rules_;
 }