Preliminary paint property walk implementation for SPv2

third_party/WebKit/Source/core/frame/FrameView.cpp

 /*
  * Copyright (C) 1998, 1999 Torben Weis <weis@kde.org>
  *                     1999 Lars Knoll <knoll@kde.org>
  *                     1999 Antti Koivisto <koivisto@kde.org>
  *                     2000 Dirk Mueller <mueller@kde.org>
  * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *           (C) 2006 Alexey Proskuryakov (ap@nypop.com)
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
@@ skipping 58 matching lines @@
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/page/AutoscrollController.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/FocusController.h"
 #include "core/page/FrameTree.h"
 #include "core/page/Page.h"
 #include "core/page/scrolling/ScrollingCoordinator.h"
 #include "core/paint/FramePainter.h"
 #include "core/paint/PaintLayer.h"
+#include "core/paint/PaintPropertyTreeBuilder.h"
 #include "core/style/ComputedStyle.h"
 #include "core/svg/SVGDocumentExtensions.h"
 #include "core/svg/SVGSVGElement.h"
 #include "platform/HostWindow.h"
 #include "platform/RuntimeEnabledFeatures.h"
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/TraceEvent.h"
 #include "platform/TracedValue.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/geometry/DoubleRect.h"
@@ skipping 2376 matching lines @@
         }
     }
 
     updateViewportIntersectionsForSubtree();
 }
 
 void FrameView::updatePaintProperties()
 {
     ASSERT(RuntimeEnabledFeatures::slimmingPaintV2Enabled());
 
-    forAllFrameViews([](FrameView& frameView) { frameView.lifecycle().advanceTo(DocumentLifecycle::InUpdatePaintProperties); });
-    // TODO(pdr): Calculate the paint properties by walking the layout tree.
-    forAllFrameViews([](FrameView& frameView) { frameView.lifecycle().advanceTo(DocumentLifecycle::UpdatePaintPropertiesClean); });
+    lifecycle().advanceTo(DocumentLifecycle::InUpdatePaintProperties);
+    PaintPropertyTreeBuilder().buildPropertyTrees(*this);
+    lifecycle().advanceTo(DocumentLifecycle::UpdatePaintPropertiesClean);
 }
 
 void FrameView::synchronizedPaint(const LayoutRect* interestRect)
 {
     ASSERT(RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled());
     ASSERT(frame() == page()->mainFrame() || (!frame().tree().parent()->isLocalFrame()));
 
     LayoutView* view = layoutView();
     ASSERT(view);
     // TODO(chrishtr): figure out if there can be any GraphicsLayer above this one that draws content.
@@ skipping 1583 matching lines @@
 }
 
 bool FrameView::canThrottleRendering() const
 {
     if (!RuntimeEnabledFeatures::renderingPipelineThrottlingEnabled())
         return false;
     return m_hiddenForThrottling && m_crossOriginForThrottling;
 }
 
 } // namespace blink