Make hit testing work in layout2.dart

sky/engine/core/view/View.cpp

 // Copyright 2015 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 "sky/engine/config.h"
 #include "sky/engine/core/view/View.h"
 
 namespace blink {
 
-PassRefPtr<View> View::create(const base::Closure& schedulePaintCallback)
+PassRefPtr<View> View::create(const base::Closure& scheduleFrameCallback)
 {
-    return adoptRef(new View(schedulePaintCallback));
+    return adoptRef(new View(scheduleFrameCallback));
 }
 
-View::View(const base::Closure& schedulePaintCallback)
-    : m_schedulePaintCallback(schedulePaintCallback)
+View::View(const base::Closure& scheduleFrameCallback)
+    : m_scheduleFrameCallback(scheduleFrameCallback)
 {
 }
 
 View::~View()
 {
 }
 
 double View::width() const
 {
     double w = m_displayMetrics.physical_size.width;
     return w / m_displayMetrics.device_pixel_ratio;
 }
 
 double View::height() const
 {
     double h = m_displayMetrics.physical_size.height;
     return h / m_displayMetrics.device_pixel_ratio;
 }
 
-void View::schedulePaint()
-{
-    m_schedulePaintCallback.Run();
-}
-
 void View::setEventCallback(PassOwnPtr<EventCallback> callback)
 {
     m_eventCallback = callback;
 }
 
+void View::setBeginFrameCallback(PassOwnPtr<BeginFrameCallback> callback)
+{
+    m_beginFrameCallback = callback;
+}
+
+void View::scheduleFrame()
+{
+    m_scheduleFrameCallback.Run();
+}
+
 void View::setDisplayMetrics(const SkyDisplayMetrics& metrics)
 {
     m_displayMetrics = metrics;
 }
 
 bool View::handleInputEvent(PassRefPtr<Event> event)
 {
     return m_eventCallback && m_eventCallback->handleEvent(event.get());
 }
 
+void View::beginFrame(base::TimeTicks frameTime)
+{
+    if (!m_beginFrameCallback)
+        return;
+    double frameTimeMS = (frameTime - base::TimeTicks()).InMillisecondsF();
+    m_beginFrameCallback->handleEvent(frameTimeMS);
+}
+
 } // namespace blink