Allow MainThreadEventQueue to call the RenderWidget directly.

content/renderer/idle_user_detector.cc

 // Copyright (c) 2011 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 "content/renderer/idle_user_detector.h"
 
 #include "base/logging.h"
 #include "content/common/input_messages.h"
 #include "content/public/renderer/content_renderer_client.h"
 #include "content/renderer/render_thread_impl.h"
 
 namespace content {
 
 IdleUserDetector::IdleUserDetector(RenderView* render_view)
     : RenderViewObserver(render_view){
 }
 
 IdleUserDetector::~IdleUserDetector() {
 }
 
 bool IdleUserDetector::OnMessageReceived(const IPC::Message& message) {
   IPC_BEGIN_MESSAGE_MAP(IdleUserDetector, message)
     IPC_MESSAGE_HANDLER(InputMsg_HandleInputEvent, OnHandleInputEvent)
   IPC_END_MESSAGE_MAP()
   return false;
 }
 
-void IdleUserDetector::OnHandleInputEvent(
-    const blink::WebInputEvent* event,
-    const std::vector<const blink::WebInputEvent*>& coalesced_events,
-    const ui::LatencyInfo& latency_info,
-    InputEventDispatchType dispatch_type) {
+void IdleUserDetector::ActivityDetected() {
   if (GetContentClient()->renderer()->RunIdleHandlerWhenWidgetsHidden()) {
     RenderThreadImpl* render_thread = RenderThreadImpl::current();
     if (render_thread != NULL) {
       render_thread->PostponeIdleNotification();
     }
   }
 }
 
+void IdleUserDetector::OnHandleInputEvent(
+    const blink::WebInputEvent* event,
+    const std::vector<const blink::WebInputEvent*>& coalesced_events,
+    const ui::LatencyInfo& latency_info,
+    InputEventDispatchType dispatch_type) {
+  ActivityDetected();
+}
+
 void IdleUserDetector::OnDestruct() {
-  delete this;
 }
 
 }  // namespace content