Repaint on interest rect change

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

Index: third_party/WebKit/Source/core/frame/FrameView.cpp
diff --git a/third_party/WebKit/Source/core/frame/FrameView.cpp b/third_party/WebKit/Source/core/frame/FrameView.cpp
index 4710794a11695ca31fa2a8fcadc5c27d30125f5b..0fb3e0710cd610d90412a0fd98adf550dbf0f95b 100644
--- a/third_party/WebKit/Source/core/frame/FrameView.cpp
+++ b/third_party/WebKit/Source/core/frame/FrameView.cpp
@@ -2403,7 +2403,7 @@ void FrameView::updateWidgetPositionsIfNeeded()
     updateWidgetPositions();
 }
 
-void FrameView::updateAllLifecyclePhases(const LayoutRect* interestRect)
+void FrameView::updateAllLifecyclePhases(const IntRect* interestRect)
 {
     frame().localFrameRoot()->view()->updateLifecyclePhasesInternal(AllPhases, interestRect);
 }
@@ -2419,7 +2419,7 @@ void FrameView::updateLifecycleToLayoutClean()
     frame().localFrameRoot()->view()->updateLifecyclePhasesInternal(OnlyUpToLayoutClean, nullptr);
 }
 
-void FrameView::updateLifecyclePhasesInternal(LifeCycleUpdateOption phases, const LayoutRect* interestRect)
+void FrameView::updateLifecyclePhasesInternal(LifeCycleUpdateOption phases, const IntRect* interestRect)
 {
     // This must be called from the root frame, since it recurses down, not up.
     // Otherwise the lifecycles of the frames might be out of sync.
@@ -2485,7 +2485,7 @@ void FrameView::updatePaintProperties()
     forAllFrameViews([](FrameView& frameView) { frameView.lifecycle().advanceTo(DocumentLifecycle::UpdatePaintPropertiesClean); });
 }
 
-void FrameView::synchronizedPaint(const LayoutRect* interestRect)
+void FrameView::synchronizedPaint(const IntRect* interestRect)
 {
     ASSERT(RuntimeEnabledFeatures::slimmingPaintSynchronizedPaintingEnabled());
     ASSERT(frame() == page()->mainFrame() || (!frame().tree().parent()->isLocalFrame()));
@@ -2507,16 +2507,13 @@ void FrameView::synchronizedPaint(const LayoutRect* interestRect)
     });
 }
 
-void FrameView::synchronizedPaintRecursively(GraphicsLayer* graphicsLayer, const LayoutRect* interestRect)
+void FrameView::synchronizedPaintRecursively(GraphicsLayer* graphicsLayer, const IntRect* interestRect)
 {
     ASSERT(graphicsLayer->paintController());
     GraphicsContext context(*graphicsLayer->paintController());
 
     // TODO(chrishtr): fix unit tests to not inject one-off interest rects.
-    if (interestRect)
-        graphicsLayer->paint(context, roundedIntRect(*interestRect));
-    else
-        graphicsLayer->paintIfNeeded(context);
+    graphicsLayer->paint(context, interestRect);
 
     if (!RuntimeEnabledFeatures::slimmingPaintV2Enabled())
         graphicsLayer->paintController()->commitNewDisplayItems();