Turn off computation of the interest rect in cc in synchronized paint mode.

third_party/WebKit/Source/web/tests/sim/SimCompositor.cpp

Index: third_party/WebKit/Source/web/tests/sim/SimCompositor.cpp
diff --git a/third_party/WebKit/Source/web/tests/sim/SimCompositor.cpp b/third_party/WebKit/Source/web/tests/sim/SimCompositor.cpp
index 933edec3d9fef499669e2fcce3d2c10735239b98..b34fd7280056c045dc9896a6ea0217f222335655 100644
--- a/third_party/WebKit/Source/web/tests/sim/SimCompositor.cpp
+++ b/third_party/WebKit/Source/web/tests/sim/SimCompositor.cpp
@@ -11,6 +11,7 @@
 #include "core/paint/PaintLayer.h"
 #include "platform/graphics/ContentLayerDelegate.h"
 #include "public/platform/WebRect.h"
+#include "ui/gfx/geometry/rect.h"
 #include "web/WebLocalFrameImpl.h"
 #include "web/WebViewImpl.h"
 #include "web/tests/sim/SimDisplayItemList.h"
@@ -24,8 +25,9 @@ static void paintLayers(PaintLayer& layer, SimDisplayItemList& displayList)
         CompositedLayerMapping* mapping = layer.compositedLayerMapping();
         GraphicsLayer* graphicsLayer = mapping->mainGraphicsLayer();
         if (graphicsLayer->hasTrackedPaintInvalidations()) {
+            gfx::Rect recordingViewport(0, 0, layer.size().width(), layer.size().height());
             ContentLayerDelegate* delegate = graphicsLayer->contentLayerDelegateForTesting();
-            delegate->paintContents(&displayList, WebRect(0, 0, layer.size().width(), layer.size().height()));
+            delegate->paintContents(&displayList, &recordingViewport);
             graphicsLayer->resetTrackedPaintInvalidations();
         }
     }