Input event filtering and compositor thread setup.

content/browser/renderer_host/render_widget_host.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/browser/renderer_host/render_widget_host.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/debug/trace_event.h"
 #include "base/i18n/rtl.h"
@@ skipping 1012 matching lines @@
     // WasResized checks the current size and sends the resize update only
     // when something was actually changed.
     WasResized();
   }
 
   // Log the time delta for processing a paint message.
   TimeDelta delta = TimeTicks::Now() - paint_start;
   UMA_HISTOGRAM_TIMES("MPArch.RWH_OnMsgUpdateRect", delta);
 }
 
-void RenderWidgetHost::OnMsgInputEventAck(const IPC::Message& message) {
+void RenderWidgetHost::OnMsgInputEventAck(WebInputEvent::Type event_type,
+                                          bool processed) {
   TRACE_EVENT0("renderer_host", "RenderWidgetHost::OnMsgInputEventAck");
 
   // Log the time delta for processing an input event.
   TimeDelta delta = TimeTicks::Now() - input_event_start_time_;
   UMA_HISTOGRAM_TIMES("MPArch.RWH_InputEventDelta", delta);
 
   // Cancel pending hung renderer checks since the renderer is responsive.
   StopHangMonitorTimeout();
 
-  void* iter = NULL;
-  int type = 0;
-  if (!message.ReadInt(&iter, &type) || (type < WebInputEvent::Undefined)) {
+  int type = static_cast<int>(event_type);
+  if (type < WebInputEvent::Undefined) {
     UserMetrics::RecordAction(UserMetricsAction("BadMessageTerminate_RWH2"));
     process()->ReceivedBadMessage();
   } else if (type == WebInputEvent::MouseMove) {
     mouse_move_pending_ = false;
 
     // now, we can send the next mouse move event
     if (next_mouse_move_.get()) {
       DCHECK(next_mouse_move_->type == WebInputEvent::MouseMove);
       ForwardMouseEvent(*next_mouse_move_);
     }
   } else if (WebInputEvent::isKeyboardEventType(type)) {
-    bool processed = false;
-    if (!message.ReadBool(&iter, &processed)) {
-      UserMetrics::RecordAction(UserMetricsAction("BadMessageTerminate_RWH3"));
-      process()->ReceivedBadMessage();
-    }
-
     ProcessKeyboardEventAck(type, processed);
   } else if (type == WebInputEvent::MouseWheel) {
-    bool processed = false;
-    if (!message.ReadBool(&iter, &processed)) {
-      UserMetrics::RecordAction(UserMetricsAction("BadMessageTerminate_RWH4"));
-      process()->ReceivedBadMessage();
-    }
-
     ProcessWheelAck(processed);
   } else if (type == WebInputEvent::TouchMove) {
     touch_move_pending_ = false;
     if (touch_event_is_queued_) {
       touch_event_is_queued_ = false;
       ForwardTouchEvent(queued_touch_event_);
     }
   }
   // This is used only for testing.
   NotificationService::current()->Notify(
@@ skipping 299 matching lines @@
 void RenderWidgetHost::Delete() {
   Send(new ViewMsg_Delete(routing_id()));
   UserMetrics::RecordAction(UserMetricsAction("DeleteSelection"));
 }
 
 void RenderWidgetHost::SelectAll() {
   Send(new ViewMsg_SelectAll(routing_id()));
   UserMetrics::RecordAction(UserMetricsAction("SelectAll"));
 }