Change Widget subclasses to use a CullRect instead of an IntRect for painting.

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 74 matching lines @@
 #include "platform/ScriptForbiddenScope.h"
 #include "platform/TraceEvent.h"
 #include "platform/TracedValue.h"
 #include "platform/fonts/FontCache.h"
 #include "platform/geometry/DoubleRect.h"
 #include "platform/geometry/FloatRect.h"
 #include "platform/geometry/LayoutRect.h"
 #include "platform/graphics/GraphicsContext.h"
 #include "platform/graphics/GraphicsLayer.h"
 #include "platform/graphics/GraphicsLayerDebugInfo.h"
+#include "platform/graphics/paint/CullRect.h"
 #include "platform/graphics/paint/PaintController.h"
 #include "platform/scheduler/CancellableTaskFactory.h"
 #include "platform/scroll/ScrollAnimator.h"
 #include "platform/text/TextStream.h"
 #include "public/platform/WebDisplayItemList.h"
 #include "public/platform/WebFrameScheduler.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/StdLibExtras.h"
 #include "wtf/TemporaryChange.h"
 
@@ skipping 3648 matching lines @@
 ScrollBehavior FrameView::scrollBehaviorStyle() const
 {
     Element* scrollElement = m_frame->document()->scrollingElement();
     LayoutObject* layoutObject = scrollElement ? scrollElement->layoutObject() : nullptr;
     if (layoutObject && layoutObject->style()->scrollBehavior() == ScrollBehaviorSmooth)
         return ScrollBehaviorSmooth;
 
     return ScrollBehaviorInstant;
 }
 
-void FrameView::paint(GraphicsContext* context, const IntRect& rect) const
+void FrameView::paint(GraphicsContext* context, const CullRect& cullRect) const
 {
-    paint(context, GlobalPaintNormalPhase, rect);
+    paint(context, GlobalPaintNormalPhase, cullRect);
 }
 
-void FrameView::paint(GraphicsContext* context, const GlobalPaintFlags globalPaintFlags, const IntRect& rect) const
+void FrameView::paint(GraphicsContext* context, const GlobalPaintFlags globalPaintFlags, const CullRect& cullRect) const
 {
     // TODO(skyostil): Remove this early-out in favor of painting cached scrollbars.
     if (shouldThrottleRendering())
         return;
-    FramePainter(*this).paint(context, globalPaintFlags, rect);
+    FramePainter(*this).paint(context, globalPaintFlags, cullRect);
 }
 
 void FrameView::paintContents(GraphicsContext* context, const GlobalPaintFlags globalPaintFlags, const IntRect& damageRect) const
 {
     if (shouldThrottleRendering())
         return;
     FramePainter(*this).paintContents(context, globalPaintFlags, damageRect);
 }
 
 bool FrameView::isPointInScrollbarCorner(const IntPoint& windowPoint)
@@ skipping 294 matching lines @@
 }
 
 bool FrameView::canThrottleRendering() const
 {
     if (!RuntimeEnabledFeatures::renderingPipelineThrottlingEnabled())
         return false;
     return m_hiddenForThrottling && m_crossOriginForThrottling;
 }
 
 } // namespace blink