cc: Disable LastInputEventForBeginFrame

content/renderer/gpu/input_handler_proxy.cc

 // Copyright (c) 2013 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/gpu/input_handler_proxy.h"
 
 #include "base/debug/trace_event.h"
 #include "base/logging.h"
 #include "content/renderer/gpu/input_handler_proxy_client.h"
 #include "third_party/WebKit/public/platform/Platform.h"
@@ skipping 35 matching lines @@
 void InputHandlerProxy::SetClient(InputHandlerProxyClient* client) {
   DCHECK(!client_ || !client);
   client_ = client;
 }
 
 InputHandlerProxy::EventDisposition InputHandlerProxy::HandleInputEvent(
     const WebInputEvent& event) {
   DCHECK(client_);
   DCHECK(input_handler_);
 
-  InputHandlerProxy::EventDisposition disposition =
-      HandleInputEventInternal(event);
-  if (event.modifiers & WebInputEvent::IsLastInputEventForCurrentVSync) {
-    input_handler_->DidReceiveLastInputEventForBeginFrame(
-        base::TimeTicks::FromInternalValue(event.timeStampSeconds *
-                                           base::Time::kMicrosecondsPerSecond));
-  }
-  return disposition;
-}
-
-InputHandlerProxy::EventDisposition
-InputHandlerProxy::HandleInputEventInternal(const WebInputEvent& event) {
   if (event.type == WebInputEvent::MouseWheel) {
     const WebMouseWheelEvent& wheel_event =
         *static_cast<const WebMouseWheelEvent*>(&event);
     if (wheel_event.scrollByPage) {
       // TODO(jamesr): We don't properly handle scroll by page in the compositor
       // thread, so punt it to the main thread. http://crbug.com/236639
       return DID_NOT_HANDLE;
     }
     cc::InputHandler::ScrollStatus scroll_status = input_handler_->ScrollBegin(
         gfx::Point(wheel_event.x, wheel_event.y), cc::InputHandler::Wheel);
@@ skipping 257 matching lines @@
   synthetic_wheel.deltaX = increment.width;
   synthetic_wheel.deltaY = increment.height;
   synthetic_wheel.hasPreciseScrollingDeltas = true;
   synthetic_wheel.x = fling_parameters_.point.x;
   synthetic_wheel.y = fling_parameters_.point.y;
   synthetic_wheel.globalX = fling_parameters_.globalPoint.x;
   synthetic_wheel.globalY = fling_parameters_.globalPoint.y;
   synthetic_wheel.modifiers = fling_parameters_.modifiers;
 
   InputHandlerProxy::EventDisposition disposition =
-      HandleInputEventInternal(synthetic_wheel);
+      HandleInputEvent(synthetic_wheel);
   switch (disposition) {
     case DID_HANDLE:
       return true;
     case DROP_EVENT:
       break;
     case DID_NOT_HANDLE:
       TRACE_EVENT_INSTANT0("renderer",
                            "InputHandlerProxy::scrollBy::AbortFling",
                            TRACE_EVENT_SCOPE_THREAD);
       // If we got a DID_NOT_HANDLE, that means we need to deliver wheels on the
@@ skipping 56 matching lines @@
   TRACE_EVENT2("renderer",
                "InputHandlerProxy::notifyCurrentFlingVelocity",
                "vx",
                velocity.width,
                "vy",
                velocity.height);
   input_handler_->NotifyCurrentFlingVelocity(ToClientScrollIncrement(velocity));
 }
 
 }  // namespace content