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>
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/file_util.h"
 #include "base/location.h"
 #include "base/macros.h"
 #include "base/memory/ptr_util.h"
 #include "base/memory/weak_ptr.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/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"
 #include "chrome/renderer/security_filter_peer.h"
 #include "components/visitedlink/renderer/visitedlink_slave.h"
 #include "content/public/child/child_thread.h"
 #include "content/public/child/resource_dispatcher_delegate.h"
 #include "content/public/common/associated_interface_registry.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/service_manager_connection.h"
 #include "content/public/common/service_names.mojom.h"
 #include "content/public/common/simple_connection_filter.h"
 #include "content/public/renderer/render_thread.h"
 #include "content/public/renderer/render_view.h"
 #include "content/public/renderer/render_view_visitor.h"
 #include "extensions/features/features.h"
+#include "ipc/ipc_sync_channel.h"
 #include "media/base/localized_strings.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "net/base/net_errors.h"
 #include "net/base/net_module.h"
 #include "services/service_manager/public/cpp/binder_registry.h"
 #include "services/service_manager/public/cpp/connector.h"
 #include "third_party/WebKit/public/platform/WebCache.h"
 #include "third_party/WebKit/public/web/WebDocument.h"
 #include "third_party/WebKit/public/web/WebFrame.h"
 #include "third_party/WebKit/public/web/WebSecurityPolicy.h"
@@ skipping 50 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)));
+    if (!cache_stats_recorder_)

[sky, 2017/04/21 04:30:39]

{} (as body spans multiple lines).

[nigeltao1, 2017/04/21 23:54:09]

Done.

+      RenderThread::Get()->GetChannel()->GetRemoteAssociatedInterface(
+          &cache_stats_recorder_);
+    cache_stats_recorder_->RecordCacheStats(stats.capacity, stats.size);
   }
 
+  chrome::mojom::CacheStatsRecorderAssociatedPtr cache_stats_recorder_;
+
   base::WeakPtrFactory<RendererResourceDelegate> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererResourceDelegate);
 };
 
 static const int kWaitForWorkersStatsTimeoutMS = 20;
 
 class ResourceUsageReporterImpl : public chrome::mojom::ResourceUsageReporter {
  public:
   explicit ResourceUsageReporterImpl(
@@ skipping 178 matching lines @@
 
 void ChromeRenderThreadObserver::OnRendererConfigurationAssociatedRequest(
     chrome::mojom::RendererConfigurationAssociatedRequest request) {
   renderer_configuration_bindings_.AddBinding(this, std::move(request));
 }
 
 const RendererContentSettingRules*
 ChromeRenderThreadObserver::content_setting_rules() const {
   return &content_setting_rules_;
 }