Convert SetContentSettingRules to use mojo, part 1/2.

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 276 matching lines @@
     content::AssociatedInterfaceRegistry* associated_interfaces) {
   associated_interfaces->RemoveInterface(
       chrome::mojom::RendererConfiguration::Name_);
 }
 
 bool ChromeRenderThreadObserver::OnControlMessageReceived(
     const IPC::Message& message) {
   bool handled = true;
   IPC_BEGIN_MESSAGE_MAP(ChromeRenderThreadObserver, message)
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetFieldTrialGroup, OnSetFieldTrialGroup)
+    // TODO(nigeltao): delete this handler when all senders of
+    // ChromeViewMsg_SetContentSettingRules have been converted to Mojo.
     IPC_MESSAGE_HANDLER(ChromeViewMsg_SetContentSettingRules,
-                        OnSetContentSettingRules)
+                        SetContentSettingRules)
     IPC_MESSAGE_UNHANDLED(handled = false)
   IPC_END_MESSAGE_MAP()
   return handled;
 }
 
 void ChromeRenderThreadObserver::OnRenderProcessShutdown() {
   visited_link_slave_.reset();
 
   // Workaround for http://crbug.com/672646
   if (renderer_configuration_binding_.is_bound())
     renderer_configuration_binding_.Unbind();
 }
 
 void ChromeRenderThreadObserver::OnFieldTrialGroupFinalized(
     const std::string& trial_name,
     const std::string& group_name) {
   chrome::mojom::FieldTrialRecorderPtr field_trial_recorder;
   content::RenderThread::Get()->GetRemoteInterfaces()->GetInterface(
       &field_trial_recorder);
   field_trial_recorder->FieldTrialActivated(trial_name);
 }
 
 void ChromeRenderThreadObserver::SetInitialConfiguration(
     bool is_incognito_process) {
   is_incognito_process_ = is_incognito_process;
 }
 
+void ChromeRenderThreadObserver::SetContentSettingRules(
+    const RendererContentSettingRules& rules) {
+  content_setting_rules_ = rules;
+}
+
 void ChromeRenderThreadObserver::OnRendererInterfaceRequest(
     chrome::mojom::RendererConfigurationAssociatedRequest request) {
   DCHECK(!renderer_configuration_binding_.is_bound());
   renderer_configuration_binding_.Bind(std::move(request));
 }
 
-void ChromeRenderThreadObserver::OnSetContentSettingRules(
-    const RendererContentSettingRules& rules) {
-  content_setting_rules_ = rules;
-}
-
 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_;
 }