Convert ChromeViewHostMsg_UpdatedCacheStats to use mojo.

chrome/browser/chrome_content_browser_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/browser/chrome_content_browser_client.h"
 
 #include <map>
 #include <set>
 #include <utility>
 #include <vector>
@@ skipping 19 matching lines @@
 #include "base/threading/thread_task_runner_handle.h"
 #include "build/build_config.h"
 #include "chrome/browser/after_startup_task_utils.h"
 #include "chrome/browser/apps/app_url_redirector.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/browsing_data/browsing_data_helper.h"
 #include "chrome/browser/browsing_data/chrome_browsing_data_remover_delegate.h"
 #include "chrome/browser/budget_service/budget_service_impl.h"
+#include "chrome/browser/cache_stats_recorder.h"
 #include "chrome/browser/chrome_content_browser_client_parts.h"
 #include "chrome/browser/chrome_quota_permission_context.h"
 #include "chrome/browser/content_settings/cookie_settings_factory.h"
 #include "chrome/browser/content_settings/host_content_settings_map_factory.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/defaults.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/font_family_cache.h"
 #include "chrome/browser/media/router/media_router_feature.h"
 #include "chrome/browser/media/router/presentation_service_delegate_impl.h"
@@ skipping 3030 matching lines @@
       sandbox::TargetPolicy::NAMEDPIPES_ALLOW_ANY,
       L"\\\\.\\pipe\\chrome.nacl.*");
   if (result != sandbox::SBOX_ALL_OK)
     return false;
   return result == sandbox::SBOX_ALL_OK;
 }
 #endif  // defined(OS_WIN)
 
 void ChromeContentBrowserClient::ExposeInterfacesToRenderer(
     service_manager::BinderRegistry* registry,
+    content::AssociatedInterfaceRegistry* associated_registry,
     content::RenderProcessHost* render_process_host) {
+  // The CacheStatsRecorder is an associated binding, instead of a
+  // non-associated one, because the sender (in the renderer process) posts the
+  // message after a time delay, in order to rate limit. The association
+  // protects against the render process host ID being recycled in that time
+  // gap between the preparation and the execution of that IPC.
+  associated_registry->AddInterface(
+      base::Bind(&CacheStatsRecorder::Create, render_process_host->GetID()));
+
   scoped_refptr<base::SingleThreadTaskRunner> ui_task_runner =
       content::BrowserThread::GetTaskRunnerForThread(
           content::BrowserThread::UI);
   registry->AddInterface(
       base::Bind(&startup_metric_utils::StartupMetricHostImpl::Create),
       ui_task_runner);
   registry->AddInterface(
       base::Bind(&BudgetServiceImpl::Create, render_process_host->GetID()),
       ui_task_runner);
   registry->AddInterface(
@@ skipping 514 matching lines @@
     RedirectNonUINonIOBrowserThreadsToTaskScheduler() {
   return variations::GetVariationParamValue(
              "BrowserScheduler", "RedirectNonUINonIOBrowserThreads") == "true";
 }
 
 // static
 void ChromeContentBrowserClient::SetDefaultQuotaSettingsForTesting(
     const storage::QuotaSettings* settings) {
   g_default_quota_settings = settings;
 }