scheduler: Tell the scheduler about frame timing

Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 92 matching lines @@
 #include "platform/PlatformWheelEvent.h"
 #include "platform/PopupMenuClient.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/TraceEvent.h"
 #include "platform/UserGestureIndicator.h"
 #include "platform/exported/WebActiveGestureAnimation.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/graphics/Color.h"
 #include "platform/graphics/Image.h"
 #include "platform/graphics/ImageBuffer.h"
+#include "platform/scheduler/Scheduler.h"
 #include "platform/scroll/ScrollbarTheme.h"
 #include "platform/weborigin/SchemeRegistry.h"
 #include "public/platform/Platform.h"
 #include "public/platform/WebDragData.h"
 #include "public/platform/WebFloatPoint.h"
 #include "public/platform/WebGestureCurve.h"
 #include "public/platform/WebImage.h"
 #include "public/platform/WebLayerTreeView.h"
 #include "public/platform/WebURLRequest.h"
 #include "public/platform/WebVector.h"
@@ skipping 1603 matching lines @@
 
 void WebViewImpl::didExitFullScreen()
 {
     m_fullscreenController->didExitFullScreen();
 }
 
 void WebViewImpl::beginFrame(const WebBeginFrameArgs& frameTime)
 {
     TRACE_EVENT0("blink", "WebViewImpl::beginFrame");
 
-    double monotonicFrameBeginTime = frameTime.lastFrameTimeMonotonic;
-    if (!monotonicFrameBeginTime)
-        monotonicFrameBeginTime = monotonicallyIncreasingTime();
+    WebBeginFrameArgs validFrameTime(frameTime);
+    if (!validFrameTime.lastFrameTimeMonotonic)
+        validFrameTime.lastFrameTimeMonotonic = monotonicallyIncreasingTime();
+
+    Scheduler::shared()->willBeginFrame(validFrameTime);
 
     // Create synthetic wheel events as necessary for fling.
     if (m_gestureAnimation) {
-        if (m_gestureAnimation->animate(monotonicFrameBeginTime))
+        if (m_gestureAnimation->animate(validFrameTime.lastFrameTimeMonotonic))
             scheduleAnimation();
         else {
             endActiveFlingAnimation();
 
             PlatformGestureEvent endScrollEvent(PlatformEvent::GestureScrollEnd,
                 m_positionOnFlingStart, m_globalPositionOnFlingStart,
                 IntSize(), 0, false, false, false, false,
                 0, 0, 0, 0);
 
             mainFrameImpl()->frame()->eventHandler().handleGestureScrollEnd(endScrollEvent);
         }
     }
 
     WTF_LOG(ScriptedAnimationController, "WebViewImpl::beginFrame: page = %d", !m_page ? 0 : 1);
     if (!m_page)
         return;
 
-    PageWidgetDelegate::animate(m_page.get(), monotonicFrameBeginTime);
+    PageWidgetDelegate::animate(m_page.get(), validFrameTime.lastFrameTimeMonotonic);
 
     if (m_continuousPaintingEnabled) {
         ContinuousPainter::setNeedsDisplayRecursive(m_rootGraphicsLayer, m_pageOverlays.get());
         m_client->scheduleAnimation();
     }
 }
 
+void WebViewImpl::didCommitFrameToCompositor()
+{
+    Scheduler::shared()->didCommitFrameToCompositor();
+}
+
 void WebViewImpl::layout()
 {
     TRACE_EVENT0("blink", "WebViewImpl::layout");
     if (!localFrameRootTemporary())
         return;
 
     PageWidgetDelegate::layout(m_page.get(), localFrameRootTemporary()->frame());
     updateLayerTreeBackgroundColor();
 
     for (size_t i = 0; i < m_linkHighlights.size(); ++i)
@@ skipping 2487 matching lines @@
     const PageScaleConstraints& constraints = m_pageScaleConstraintsSet.pageDefinedConstraints();
 
     if (!mainFrameImpl() || !mainFrameImpl()->frameView())
         return false;
 
     return mainFrameImpl()->frameView()->layoutSize().width() == m_size.width
         || (constraints.minimumScale == constraints.maximumScale && constraints.minimumScale != -1);
 }
 
 } // namespace blink