cc: Use gfx:: Geometry types for positions, bounds, and related things.

cc/occlusion_tracker_unittest.cc

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "cc/occlusion_tracker.h"
 
 #include "Region.h"
 #include "cc/layer.h"
@@ skipping 23 matching lines @@
     TestContentLayer()
         : Layer()
         , m_overrideOpaqueContentsRect(false)
     {
     }
 
     virtual bool drawsContent() const OVERRIDE { return true; }
     virtual Region visibleContentOpaqueRegion() const OVERRIDE
     {
         if (m_overrideOpaqueContentsRect)
-            return intersection(m_opaqueContentsRect, visibleContentRect());
+            return cc::IntRect(gfx::IntersectRects(m_opaqueContentsRect, visibleContentRect()));
         return Layer::visibleContentOpaqueRegion();
     }
-    void setOpaqueContentsRect(const IntRect& opaqueContentsRect)
+    void setOpaqueContentsRect(const gfx::Rect& opaqueContentsRect)
     {
         m_overrideOpaqueContentsRect = true;
         m_opaqueContentsRect = opaqueContentsRect;
     }
 
 private:
     virtual ~TestContentLayer()
     {
     }
 
     bool m_overrideOpaqueContentsRect;
-    IntRect m_opaqueContentsRect;
+    gfx::Rect m_opaqueContentsRect;
 };
 
 class TestContentLayerImpl : public LayerImpl {
 public:
     TestContentLayerImpl(int id)
         : LayerImpl(id)
         , m_overrideOpaqueContentsRect(false)
     {
         setDrawsContent(true);
     }
 
     virtual Region visibleContentOpaqueRegion() const OVERRIDE
     {
         if (m_overrideOpaqueContentsRect)
-            return intersection(m_opaqueContentsRect, visibleContentRect());
+            return cc::IntRect(gfx::IntersectRects(m_opaqueContentsRect, visibleContentRect()));
         return LayerImpl::visibleContentOpaqueRegion();
     }
-    void setOpaqueContentsRect(const IntRect& opaqueContentsRect)
+    void setOpaqueContentsRect(const gfx::Rect& opaqueContentsRect)
     {
         m_overrideOpaqueContentsRect = true;
         m_opaqueContentsRect = opaqueContentsRect;
     }
 
 private:
     bool m_overrideOpaqueContentsRect;
-    IntRect m_opaqueContentsRect;
+    gfx::Rect m_opaqueContentsRect;
 };
 
 static inline bool layerImplDrawTransformIsUnknown(const Layer* layer) { return layer->drawTransformIsAnimating(); }
 static inline bool layerImplDrawTransformIsUnknown(const LayerImpl*) { return false; }
 
 template<typename LayerType, typename RenderSurfaceType>
 class TestOcclusionTrackerWithClip : public TestOcclusionTrackerBase<LayerType, RenderSurfaceType> {
 public:
     TestOcclusionTrackerWithClip(gfx::Rect viewportRect, bool recordMetricsForFrame = false)
         : TestOcclusionTrackerBase<LayerType, RenderSurfaceType>(viewportRect, recordMetricsForFrame)
@@ skipping 97 matching lines @@
     virtual void TearDown()
     {
         Types::destroyLayer(m_root);
         m_renderSurfaceLayerList.clear();
         m_renderSurfaceLayerListImpl.clear();
         m_replicaLayers.clear();
         m_maskLayers.clear();
         LayerTreeHost::setNeedsFilterContext(false);
     }
 
-    typename Types::ContentLayerType* createRoot(const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds)
+    typename Types::ContentLayerType* createRoot(const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds)
     {
         typename Types::ContentLayerPtrType layer(Types::createContentLayer());
         typename Types::ContentLayerType* layerPtr = layer.get();
         setProperties(layerPtr, transform, position, bounds);
 
         DCHECK(!m_root);
         m_root = Types::passLayerPtr(layer);
         return layerPtr;
     }
 
-    typename Types::LayerType* createLayer(typename Types::LayerType* parent, const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds)
+    typename Types::LayerType* createLayer(typename Types::LayerType* parent, const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds)
     {
         typename Types::LayerPtrType layer(Types::createLayer());
         typename Types::LayerType* layerPtr = layer.get();
         setProperties(layerPtr, transform, position, bounds);
         parent->addChild(Types::passLayerPtr(layer));
         return layerPtr;
     }
 
-    typename Types::LayerType* createSurface(typename Types::LayerType* parent, const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds)
+    typename Types::LayerType* createSurface(typename Types::LayerType* parent, const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds)
     {
         typename Types::LayerType* layer = createLayer(parent, transform, position, bounds);
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createGrayscaleFilter(0.5));
         layer->setFilters(filters);
         return layer;
     }
 
-    typename Types::ContentLayerType* createDrawingLayer(typename Types::LayerType* parent, const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds, bool opaque)
+    typename Types::ContentLayerType* createDrawingLayer(typename Types::LayerType* parent, const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds, bool opaque)
     {
         typename Types::ContentLayerPtrType layer(Types::createContentLayer());
         typename Types::ContentLayerType* layerPtr = layer.get();
         setProperties(layerPtr, transform, position, bounds);
 
         if (m_opaqueLayers)
             layerPtr->setContentsOpaque(opaque);
         else {
             layerPtr->setContentsOpaque(false);
             if (opaque)
-                layerPtr->setOpaqueContentsRect(IntRect(IntPoint(), bounds));
+                layerPtr->setOpaqueContentsRect(gfx::Rect(gfx::Point(), bounds));
             else
-                layerPtr->setOpaqueContentsRect(IntRect());
+                layerPtr->setOpaqueContentsRect(gfx::Rect());
         }
 
         parent->addChild(Types::passLayerPtr(layer));
         return layerPtr;
     }
 
-    typename Types::LayerType* createReplicaLayer(typename Types::LayerType* owningLayer, const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds)
+    typename Types::LayerType* createReplicaLayer(typename Types::LayerType* owningLayer, const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds)
     {
         typename Types::ContentLayerPtrType layer(Types::createContentLayer());
         typename Types::ContentLayerType* layerPtr = layer.get();
         setProperties(layerPtr, transform, position, bounds);
         setReplica(owningLayer, Types::passLayerPtr(layer));
         return layerPtr;
     }
 
-    typename Types::LayerType* createMaskLayer(typename Types::LayerType* owningLayer, const IntSize& bounds)
+    typename Types::LayerType* createMaskLayer(typename Types::LayerType* owningLayer, const gfx::Size& bounds)
     {
         typename Types::ContentLayerPtrType layer(Types::createContentLayer());
         typename Types::ContentLayerType* layerPtr = layer.get();
         setProperties(layerPtr, identityMatrix, FloatPoint(), bounds);
         setMask(owningLayer, Types::passLayerPtr(layer));
         return layerPtr;
     }
 
-    typename Types::ContentLayerType* createDrawingSurface(typename Types::LayerType* parent, const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds, bool opaque)
+    typename Types::ContentLayerType* createDrawingSurface(typename Types::LayerType* parent, const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds, bool opaque)
     {
         typename Types::ContentLayerType* layer = createDrawingLayer(parent, transform, position, bounds, opaque);
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createGrayscaleFilter(0.5));
         layer->setFilters(filters);
         return layer;
     }
 
     void calcDrawEtc(TestContentLayerImpl* root)
     {
@@ skipping 67 matching lines @@
     }
 
     void resetLayerIterator()
     {
         m_layerIterator = m_layerIteratorBegin;
     }
 
     const WebTransformationMatrix identityMatrix;
 
 private:
-    void setBaseProperties(typename Types::LayerType* layer, const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds)
+    void setBaseProperties(typename Types::LayerType* layer, const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds)
     {
         layer->setTransform(transform);
         layer->setSublayerTransform(WebTransformationMatrix());
         layer->setAnchorPoint(FloatPoint(0, 0));
         layer->setPosition(position);
         layer->setBounds(bounds);
     }
 
-    void setProperties(Layer* layer, const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds)
+    void setProperties(Layer* layer, const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds)
     {
         setBaseProperties(layer, transform, position, bounds);
     }
 
-    void setProperties(LayerImpl* layer, const WebTransformationMatrix& transform, const FloatPoint& position, const IntSize& bounds)
+    void setProperties(LayerImpl* layer, const WebTransformationMatrix& transform, const FloatPoint& position, const gfx::Size& bounds)
     {
         setBaseProperties(layer, transform, position, bounds);
 
         layer->setContentBounds(layer->bounds());
     }
 
     void setReplica(Layer* owningLayer, scoped_refptr<Layer> layer)
     {
         owningLayer->setReplicaLayer(layer.get());
         m_replicaLayers.push_back(layer);
@@ skipping 71 matching lines @@
     RUN_TEST_MAIN_THREAD_OPAQUE_LAYERS(ClassName) \
     RUN_TEST_IMPL_THREAD_OPAQUE_LAYERS(ClassName)
 
 template<class Types>
 class OcclusionTrackerTestIdentityTransforms : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestIdentityTransforms(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
 
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(30, 30), IntSize(500, 500), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(30, 30), gfx::Size(500, 500), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(layer, occlusion);
         this->enterLayer(parent, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(30, 30, 70, 70), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 74 matching lines @@
 class OcclusionTrackerTestRotatedChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestRotatedChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix layerTransform;
         layerTransform.translate(250, 250);
         layerTransform.rotate(90);
         layerTransform.translate(-250, -250);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), IntSize(500, 500), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), gfx::Size(500, 500), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(layer, occlusion);
         this->enterLayer(parent, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(30, 30, 70, 70), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 30 matching lines @@
 
 template<class Types>
 class OcclusionTrackerTestTranslatedChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestTranslatedChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix layerTransform;
         layerTransform.translate(20, 20);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), IntSize(500, 500), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), gfx::Size(500, 500), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(layer, occlusion);
         this->enterLayer(parent, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(50, 50, 50, 50), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 44 matching lines @@
 class OcclusionTrackerTestChildInRotatedChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestChildInRotatedChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix childTransform;
         childTransform.translate(250, 250);
         childTransform.rotate(90);
         childTransform.translate(-250, -250);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
         parent->setMasksToBounds(true);
-        typename Types::LayerType* child = this->createLayer(parent, childTransform, FloatPoint(30, 30), IntSize(500, 500));
+        typename Types::LayerType* child = this->createLayer(parent, childTransform, FloatPoint(30, 30), gfx::Size(500, 500));
         child->setMasksToBounds(true);
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(child, this->identityMatrix, FloatPoint(10, 10), IntSize(500, 500), true);
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(child, this->identityMatrix, FloatPoint(10, 10), gfx::Size(500, 500), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(layer, occlusion);
         this->enterContributingSurface(child, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(30, 40, 70, 60), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 95 matching lines @@
 class OcclusionTrackerTestVisitTargetTwoTimes : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestVisitTargetTwoTimes(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix childTransform;
         childTransform.translate(250, 250);
         childTransform.rotate(90);
         childTransform.translate(-250, -250);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
         parent->setMasksToBounds(true);
-        typename Types::LayerType* child = this->createLayer(parent, childTransform, FloatPoint(30, 30), IntSize(500, 500));
+        typename Types::LayerType* child = this->createLayer(parent, childTransform, FloatPoint(30, 30), gfx::Size(500, 500));
         child->setMasksToBounds(true);
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(child, this->identityMatrix, FloatPoint(10, 10), IntSize(500, 500), true);
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(child, this->identityMatrix, FloatPoint(10, 10), gfx::Size(500, 500), true);
         // |child2| makes |parent|'s surface get considered by OcclusionTracker first, instead of |child|'s. This exercises different code in
         // leaveToTargetRenderSurface, as the target surface has already been seen.
-        typename Types::ContentLayerType* child2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(30, 30), IntSize(60, 20), true);
+        typename Types::ContentLayerType* child2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(30, 30), gfx::Size(60, 20), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(-10, -10, 1000, 1000));
 
         this->visitLayer(child2, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(30, 30, 60, 20), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(30, 30, 60, 20), occlusion.occlusionInTargetSurface().bounds());
@@ skipping 88 matching lines @@
     void runMyTest()
     {
         WebTransformationMatrix childTransform;
         childTransform.translate(250, 250);
         childTransform.rotate(95);
         childTransform.translate(-250, -250);
 
         WebTransformationMatrix layerTransform;
         layerTransform.translate(10, 10);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
-        typename Types::LayerType* child = this->createLayer(parent, childTransform, FloatPoint(30, 30), IntSize(500, 500));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
+        typename Types::LayerType* child = this->createLayer(parent, childTransform, FloatPoint(30, 30), gfx::Size(500, 500));
         child->setMasksToBounds(true);
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(child, layerTransform, FloatPoint(0, 0), IntSize(500, 500), true);
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(child, layerTransform, FloatPoint(0, 0), gfx::Size(500, 500), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         gfx::Rect clippedLayerInChild = MathUtil::mapClippedRect(layerTransform, layer->visibleContentRect());
 
         this->visitLayer(layer, occlusion);
         this->enterContributingSurface(child, occlusion);
 
@@ skipping 40 matching lines @@
 class OcclusionTrackerTestSurfaceWithTwoOpaqueChildren : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestSurfaceWithTwoOpaqueChildren(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix childTransform;
         childTransform.translate(250, 250);
         childTransform.rotate(90);
         childTransform.translate(-250, -250);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
         parent->setMasksToBounds(true);
-        typename Types::LayerType* child = this->createLayer(parent, childTransform, FloatPoint(30, 30), IntSize(500, 500));
+        typename Types::LayerType* child = this->createLayer(parent, childTransform, FloatPoint(30, 30), gfx::Size(500, 500));
         child->setMasksToBounds(true);
-        typename Types::ContentLayerType* layer1 = this->createDrawingLayer(child, this->identityMatrix, FloatPoint(10, 10), IntSize(500, 500), true);
-        typename Types::ContentLayerType* layer2 = this->createDrawingLayer(child, this->identityMatrix, FloatPoint(10, 450), IntSize(500, 60), true);
+        typename Types::ContentLayerType* layer1 = this->createDrawingLayer(child, this->identityMatrix, FloatPoint(10, 10), gfx::Size(500, 500), true);
+        typename Types::ContentLayerType* layer2 = this->createDrawingLayer(child, this->identityMatrix, FloatPoint(10, 450), gfx::Size(500, 60), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(layer2, occlusion);
         this->visitLayer(layer1, occlusion);
         this->enterContributingSurface(child, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(30, 40, 70, 60), occlusion.occlusionInScreenSpace().bounds());
@@ skipping 64 matching lines @@
 class OcclusionTrackerTestOverlappingSurfaceSiblings : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestOverlappingSurfaceSiblings(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix childTransform;
         childTransform.translate(250, 250);
         childTransform.rotate(90);
         childTransform.translate(-250, -250);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
         parent->setMasksToBounds(true);
-        typename Types::LayerType* child1 = this->createSurface(parent, childTransform, FloatPoint(30, 30), IntSize(10, 10));
-        typename Types::LayerType* child2 = this->createSurface(parent, childTransform, FloatPoint(20, 40), IntSize(10, 10));
-        typename Types::ContentLayerType* layer1 = this->createDrawingLayer(child1, this->identityMatrix, FloatPoint(-10, -10), IntSize(510, 510), true);
-        typename Types::ContentLayerType* layer2 = this->createDrawingLayer(child2, this->identityMatrix, FloatPoint(-10, -10), IntSize(510, 510), true);
+        typename Types::LayerType* child1 = this->createSurface(parent, childTransform, FloatPoint(30, 30), gfx::Size(10, 10));
+        typename Types::LayerType* child2 = this->createSurface(parent, childTransform, FloatPoint(20, 40), gfx::Size(10, 10));
+        typename Types::ContentLayerType* layer1 = this->createDrawingLayer(child1, this->identityMatrix, FloatPoint(-10, -10), gfx::Size(510, 510), true);
+        typename Types::ContentLayerType* layer2 = this->createDrawingLayer(child2, this->identityMatrix, FloatPoint(-10, -10), gfx::Size(510, 510), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(-20, -20, 1000, 1000));
 
         this->visitLayer(layer2, occlusion);
         this->enterContributingSurface(child2, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(20, 30, 80, 70), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 90 matching lines @@
         WebTransformationMatrix child1Transform;
         child1Transform.translate(250, 250);
         child1Transform.rotate(-90);
         child1Transform.translate(-250, -250);
 
         WebTransformationMatrix child2Transform;
         child2Transform.translate(250, 250);
         child2Transform.rotate(90);
         child2Transform.translate(-250, -250);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
         parent->setMasksToBounds(true);
-        typename Types::LayerType* child1 = this->createSurface(parent, child1Transform, FloatPoint(30, 20), IntSize(10, 10));
-        typename Types::LayerType* child2 = this->createDrawingSurface(parent, child2Transform, FloatPoint(20, 40), IntSize(10, 10), false);
-        typename Types::ContentLayerType* layer1 = this->createDrawingLayer(child1, this->identityMatrix, FloatPoint(-10, -20), IntSize(510, 510), true);
-        typename Types::ContentLayerType* layer2 = this->createDrawingLayer(child2, this->identityMatrix, FloatPoint(-10, -10), IntSize(510, 510), true);
+        typename Types::LayerType* child1 = this->createSurface(parent, child1Transform, FloatPoint(30, 20), gfx::Size(10, 10));
+        typename Types::LayerType* child2 = this->createDrawingSurface(parent, child2Transform, FloatPoint(20, 40), gfx::Size(10, 10), false);
+        typename Types::ContentLayerType* layer1 = this->createDrawingLayer(child1, this->identityMatrix, FloatPoint(-10, -20), gfx::Size(510, 510), true);
+        typename Types::ContentLayerType* layer2 = this->createDrawingLayer(child2, this->identityMatrix, FloatPoint(-10, -10), gfx::Size(510, 510), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(-30, -30, 1000, 1000));
 
         this->visitLayer(layer2, occlusion);
         this->enterLayer(child2, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(20, 30, 80, 70), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 78 matching lines @@
 class OcclusionTrackerTestFilters : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestFilters(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix layerTransform;
         layerTransform.translate(250, 250);
         layerTransform.rotate(90);
         layerTransform.translate(-250, -250);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
         parent->setMasksToBounds(true);
-        typename Types::ContentLayerType* blurLayer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), IntSize(500, 500), true);
-        typename Types::ContentLayerType* opaqueLayer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), IntSize(500, 500), true);
-        typename Types::ContentLayerType* opacityLayer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), IntSize(500, 500), true);
+        typename Types::ContentLayerType* blurLayer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), gfx::Size(500, 500), true);
+        typename Types::ContentLayerType* opaqueLayer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), gfx::Size(500, 500), true);
+        typename Types::ContentLayerType* opacityLayer = this->createDrawingLayer(parent, layerTransform, FloatPoint(30, 30), gfx::Size(500, 500), true);
 
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createBlurFilter(10));
         blurLayer->setFilters(filters);
 
         filters.clear();
         filters.append(WebFilterOperation::createGrayscaleFilter(0.5));
         opaqueLayer->setFilters(filters);
 
         filters.clear();
@@ skipping 55 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestFilters);
 
 template<class Types>
 class OcclusionTrackerTestReplicaDoesOcclude : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestReplicaDoesOcclude(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 200));
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 100), IntSize(50, 50), true);
-        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(50, 50), IntSize());
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 200));
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 100), gfx::Size(50, 50), true);
+        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(50, 50), gfx::Size());
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(surface, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 100, 50, 50), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 50, 50), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInTargetSurface().rects().size());
 
         this->visitContributingSurface(surface, occlusion);
         this->enterLayer(parent, occlusion);
 
         // The surface and replica should both be occluding the parent.
         EXPECT_RECT_EQ(gfx::Rect(0, 100, 100, 100), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(2u, occlusion.occlusionInTargetSurface().rects().size());
     }
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestReplicaDoesOcclude);
 
 template<class Types>
 class OcclusionTrackerTestReplicaWithClipping : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestReplicaWithClipping(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 170));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 170));
         parent->setMasksToBounds(true);
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 100), IntSize(50, 50), true);
-        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(50, 50), IntSize());
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 100), gfx::Size(50, 50), true);
+        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(50, 50), gfx::Size());
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(surface, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 100, 50, 50), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 50, 50), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInTargetSurface().rects().size());
 
         this->visitContributingSurface(surface, occlusion);
         this->enterLayer(parent, occlusion);
 
         // The surface and replica should both be occluding the parent.
         EXPECT_RECT_EQ(gfx::Rect(0, 100, 100, 70), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(2u, occlusion.occlusionInTargetSurface().rects().size());
     }
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestReplicaWithClipping);
 
 template<class Types>
 class OcclusionTrackerTestReplicaWithMask : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestReplicaWithMask(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 200));
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 100), IntSize(50, 50), true);
-        typename Types::LayerType* replica = this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(50, 50), IntSize());
-        this->createMaskLayer(replica, IntSize(10, 10));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 200));
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 100), gfx::Size(50, 50), true);
+        typename Types::LayerType* replica = this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(50, 50), gfx::Size());
+        this->createMaskLayer(replica, gfx::Size(10, 10));
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(surface, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 100, 50, 50), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 50, 50), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInTargetSurface().rects().size());
 
         this->visitContributingSurface(surface, occlusion);
         this->enterLayer(parent, occlusion);
 
         // The replica should not be occluding the parent, since it has a mask applied to it.
         EXPECT_RECT_EQ(gfx::Rect(0, 100, 50, 50), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInTargetSurface().rects().size());
     }
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestReplicaWithMask);
 
 template<class Types>
 class OcclusionTrackerTestLayerClipRectOutsideChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestLayerClipRectOutsideChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(200, 100, 100, 100));
 
         this->enterLayer(layer, occlusion);
 
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
@@ skipping 23 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestLayerClipRectOutsideChild);
 
 template<class Types>
 class OcclusionTrackerTestViewportRectOutsideChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestViewportRectOutsideChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(200, 100, 100, 100));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->enterLayer(layer, occlusion);
 
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
@@ skipping 23 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestViewportRectOutsideChild);
 
 template<class Types>
 class OcclusionTrackerTestLayerClipRectOverChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestLayerClipRectOverChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(100, 100, 100, 100));
 
         this->enterLayer(layer, occlusion);
 
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
@@ skipping 18 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestLayerClipRectOverChild);
 
 template<class Types>
 class OcclusionTrackerTestViewportRectOverChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestViewportRectOverChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(100, 100, 100, 100));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->enterLayer(layer, occlusion);
 
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
@@ skipping 18 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestViewportRectOverChild);
 
 template<class Types>
 class OcclusionTrackerTestLayerClipRectPartlyOverChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestLayerClipRectPartlyOverChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(50, 50, 200, 200));
 
         this->enterLayer(layer, occlusion);
 
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
@@ skipping 22 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestLayerClipRectPartlyOverChild);
 
 template<class Types>
 class OcclusionTrackerTestViewportRectPartlyOverChild : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestViewportRectPartlyOverChild(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(50, 50, 200, 200));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->enterLayer(layer, occlusion);
 
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
@@ skipping 22 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestViewportRectPartlyOverChild);
 
 template<class Types>
 class OcclusionTrackerTestLayerClipRectOverNothing : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestLayerClipRectOverNothing(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(500, 500, 100, 100));
 
         this->enterLayer(layer, occlusion);
 
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
@@ skipping 22 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestLayerClipRectOverNothing);
 
 template<class Types>
 class OcclusionTrackerTestViewportRectOverNothing : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestViewportRectOverNothing(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(500, 500, 100, 100));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         this->enterLayer(layer, occlusion);
 
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
         EXPECT_TRUE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
@@ skipping 22 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestViewportRectOverNothing);
 
 template<class Types>
 class OcclusionTrackerTestLayerClipRectForLayerOffOrigin : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestLayerClipRectForLayerOffOrigin(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         this->enterLayer(layer, occlusion);
 
         // This layer is translated when drawn into its target. So if the clip rect given from the target surface
         // is not in that target space, then after translating these query rects into the target, they will fall outside
         // the clip and be considered occluded.
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(100, 100, 100, 100)));
     }
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestLayerClipRectForLayerOffOrigin);
 
 template<class Types>
 class OcclusionTrackerTestOpaqueContentsRegionEmpty : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestOpaqueContentsRegionEmpty(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 200), false);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 200), false);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         this->enterLayer(layer, occlusion);
 
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(0, 0, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(100, 0, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(0, 100, 100, 100)));
         EXPECT_FALSE(occlusion.occludedLayer(layer, gfx::Rect(100, 100, 100, 100)));
 
@@ skipping 15 matching lines @@
 };
 
 MAIN_AND_IMPL_THREAD_TEST(OcclusionTrackerTestOpaqueContentsRegionEmpty);
 
 template<class Types>
 class OcclusionTrackerTestOpaqueContentsRegionNonEmpty : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestOpaqueContentsRegionNonEmpty(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(100, 100), IntSize(200, 200), false);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(100, 100), gfx::Size(200, 200), false);
         this->calcDrawEtc(parent);
 
         {
             TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
-            layer->setOpaqueContentsRect(IntRect(0, 0, 100, 100));
+            layer->setOpaqueContentsRect(gfx::Rect(0, 0, 100, 100));
 
             this->resetLayerIterator();
             this->visitLayer(layer, occlusion);
             this->enterLayer(parent, occlusion);
 
             EXPECT_RECT_EQ(gfx::Rect(100, 100, 100, 100), occlusion.occlusionInScreenSpace().bounds());
             EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
 
             EXPECT_FALSE(occlusion.occludedLayer(parent, gfx::Rect(0, 100, 100, 100)));
             EXPECT_TRUE(occlusion.occludedLayer(parent, gfx::Rect(100, 100, 100, 100)));
             EXPECT_FALSE(occlusion.occludedLayer(parent, gfx::Rect(200, 200, 100, 100)));
         }
 
         {
             TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
-            layer->setOpaqueContentsRect(IntRect(20, 20, 180, 180));
+            layer->setOpaqueContentsRect(gfx::Rect(20, 20, 180, 180));
 
             this->resetLayerIterator();
             this->visitLayer(layer, occlusion);
             this->enterLayer(parent, occlusion);
 
             EXPECT_RECT_EQ(gfx::Rect(120, 120, 180, 180), occlusion.occlusionInScreenSpace().bounds());
             EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
 
             EXPECT_FALSE(occlusion.occludedLayer(parent, gfx::Rect(0, 100, 100, 100)));
             EXPECT_FALSE(occlusion.occludedLayer(parent, gfx::Rect(100, 100, 100, 100)));
             EXPECT_TRUE(occlusion.occludedLayer(parent, gfx::Rect(200, 200, 100, 100)));
         }
 
         {
             TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
-            layer->setOpaqueContentsRect(IntRect(150, 150, 100, 100));
+            layer->setOpaqueContentsRect(gfx::Rect(150, 150, 100, 100));
 
             this->resetLayerIterator();
             this->visitLayer(layer, occlusion);
             this->enterLayer(parent, occlusion);
 
             EXPECT_RECT_EQ(gfx::Rect(250, 250, 50, 50), occlusion.occlusionInScreenSpace().bounds());
             EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
 
             EXPECT_FALSE(occlusion.occludedLayer(parent, gfx::Rect(0, 100, 100, 100)));
             EXPECT_FALSE(occlusion.occludedLayer(parent, gfx::Rect(100, 100, 100, 100)));
             EXPECT_FALSE(occlusion.occludedLayer(parent, gfx::Rect(200, 200, 100, 100)));
         }
     }
 };
 
 MAIN_AND_IMPL_THREAD_TEST(OcclusionTrackerTestOpaqueContentsRegionNonEmpty);
 
 template<class Types>
 class OcclusionTrackerTest3dTransform : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTest3dTransform(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix transform;
         transform.rotate3d(0, 30, 0);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::LayerType* container = this->createLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(container, transform, FloatPoint(100, 100), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::LayerType* container = this->createLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(container, transform, FloatPoint(100, 100), gfx::Size(200, 200), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         this->enterLayer(layer, occlusion);
 
         // The layer is rotated in 3d but without preserving 3d, so it only gets resized.
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 200, 200), occlusion.unoccludedLayerContentRect(layer, gfx::Rect(0, 0, 200, 200)));
     }
 };
 
@@ skipping 10 matching lines @@
         // Because of this, the occlusion tracker cannot assume that a 3d layer occludes
         // other layers that have not yet been iterated over. For now, the expected
         // behavior is that a 3d layer simply does not add any occlusion to the occlusion
         // tracker.
 
         WebTransformationMatrix translationToFront;
         translationToFront.translate3d(0, 0, -10);
         WebTransformationMatrix translationToBack;
         translationToFront.translate3d(0, 0, -100);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* child1 = this->createDrawingLayer(parent, translationToBack, FloatPoint(0, 0), IntSize(100, 100), true);
-        typename Types::ContentLayerType* child2 = this->createDrawingLayer(parent, translationToFront, FloatPoint(50, 50), IntSize(100, 100), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* child1 = this->createDrawingLayer(parent, translationToBack, FloatPoint(0, 0), gfx::Size(100, 100), true);
+        typename Types::ContentLayerType* child2 = this->createDrawingLayer(parent, translationToFront, FloatPoint(50, 50), gfx::Size(100, 100), true);
         parent->setPreserves3D(true);
 
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         this->visitLayer(child2, occlusion);
         EXPECT_TRUE(occlusion.occlusionInScreenSpace().isEmpty());
         EXPECT_TRUE(occlusion.occlusionInTargetSurface().isEmpty());
 
         this->visitLayer(child1, occlusion);
@@ skipping 10 matching lines @@
 protected:
     OcclusionTrackerTestPerspectiveTransform(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix transform;
         transform.translate(150, 150);
         transform.applyPerspective(400);
         transform.rotate3d(1, 0, 0, -30);
         transform.translate(-150, -150);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::LayerType* container = this->createLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(container, transform, FloatPoint(100, 100), IntSize(200, 200), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::LayerType* container = this->createLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(container, transform, FloatPoint(100, 100), gfx::Size(200, 200), true);
         container->setPreserves3D(true);
         layer->setPreserves3D(true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         this->enterLayer(layer, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 200, 200), occlusion.unoccludedLayerContentRect(layer, gfx::Rect(0, 0, 200, 200)));
     }
 };
 
 // This test requires accumulating occlusion of 3d layers, which are skipped by the occlusion tracker on the main thread. So this test should run on the impl thread.
 IMPL_THREAD_TEST(OcclusionTrackerTestPerspectiveTransform);
 
 template<class Types>
 class OcclusionTrackerTestPerspectiveTransformBehindCamera : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestPerspectiveTransformBehindCamera(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         // This test is based on the platform/chromium/compositing/3d-corners.html layout test.
         WebTransformationMatrix transform;
         transform.translate(250, 50);
         transform.applyPerspective(10);
         transform.translate(-250, -50);
         transform.translate(250, 50);
         transform.rotate3d(1, 0, 0, -167);
         transform.translate(-250, -50);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(500, 100));
-        typename Types::LayerType* container = this->createLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(500, 500));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(container, transform, FloatPoint(0, 0), IntSize(500, 500), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(500, 100));
+        typename Types::LayerType* container = this->createLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(500, 500));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(container, transform, FloatPoint(0, 0), gfx::Size(500, 500), true);
         container->setPreserves3D(true);
         layer->setPreserves3D(true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         this->enterLayer(layer, occlusion);
 
         // The bottom 11 pixel rows of this layer remain visible inside the container, after translation to the target surface. When translated back,
         // this will include many more pixels but must include at least the bottom 11 rows.
         EXPECT_TRUE(occlusion.unoccludedLayerContentRect(layer, gfx::Rect(0, 0, 500, 500)).Contains(gfx::Rect(0, 489, 500, 11)));
     }
 };
 
 // This test requires accumulating occlusion of 3d layers, which are skipped by the occlusion tracker on the main thread. So this test should run on the impl thread.
 IMPL_THREAD_TEST(OcclusionTrackerTestPerspectiveTransformBehindCamera);
 
 template<class Types>
 class OcclusionTrackerTestLayerBehindCameraDoesNotOcclude : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestLayerBehindCameraDoesNotOcclude(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix transform;
         transform.translate(50, 50);
         transform.applyPerspective(100);
         transform.translate3d(0, 0, 110);
         transform.translate(-50, -50);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, transform, FloatPoint(0, 0), IntSize(100, 100), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, transform, FloatPoint(0, 0), gfx::Size(100, 100), true);
         parent->setPreserves3D(true);
         layer->setPreserves3D(true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
 
         // The |layer| is entirely behind the camera and should not occlude.
         this->visitLayer(layer, occlusion);
         this->enterLayer(parent, occlusion);
         EXPECT_EQ(0u, occlusion.occlusionInTargetSurface().rects().size());
         EXPECT_EQ(0u, occlusion.occlusionInScreenSpace().rects().size());
     }
 };
 
 // This test requires accumulating occlusion of 3d layers, which are skipped by the occlusion tracker on the main thread. So this test should run on the impl thread.
 IMPL_THREAD_TEST(OcclusionTrackerTestLayerBehindCameraDoesNotOcclude);
 
 template<class Types>
 class OcclusionTrackerTestLargePixelsOccludeInsideClipRect : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestLargePixelsOccludeInsideClipRect(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix transform;
         transform.translate(50, 50);
         transform.applyPerspective(100);
         transform.translate3d(0, 0, 99);
         transform.translate(-50, -50);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100));
         parent->setMasksToBounds(true);
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, transform, FloatPoint(0, 0), IntSize(100, 100), true);
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, transform, FloatPoint(0, 0), gfx::Size(100, 100), true);
         parent->setPreserves3D(true);
         layer->setPreserves3D(true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
 
         // This is very close to the camera, so pixels in its visibleContentRect will actually go outside of the layer's clipRect.
         // Ensure that those pixels don't occlude things outside the clipRect.
         this->visitLayer(layer, occlusion);
         this->enterLayer(parent, occlusion);
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 100, 100), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInTargetSurface().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 100, 100), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
     }
 };
 
 // This test requires accumulating occlusion of 3d layers, which are skipped by the occlusion tracker on the main thread. So this test should run on the impl thread.
 IMPL_THREAD_TEST(OcclusionTrackerTestLargePixelsOccludeInsideClipRect);
 
 template<class Types>
 class OcclusionTrackerTestAnimationOpacity1OnMainThread : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestAnimationOpacity1OnMainThread(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300), true);
-        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300), true);
-        typename Types::ContentLayerType* surfaceChild = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 300), true);
-        typename Types::ContentLayerType* surfaceChild2 = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 300), true);
-        typename Types::ContentLayerType* parent2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300), false);
-        typename Types::ContentLayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(250, 0), IntSize(50, 300), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300), true);
+        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300), true);
+        typename Types::ContentLayerType* surfaceChild = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 300), true);
+        typename Types::ContentLayerType* surfaceChild2 = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 300), true);
+        typename Types::ContentLayerType* parent2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300), false);
+        typename Types::ContentLayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(250, 0), gfx::Size(50, 300), true);
 
         addOpacityTransitionToController(*layer->layerAnimationController(), 10, 0, 1, false);
         addOpacityTransitionToController(*surface->layerAnimationController(), 10, 0, 1, false);
         this->calcDrawEtc(parent);
 
         EXPECT_TRUE(layer->drawOpacityIsAnimating());
         EXPECT_FALSE(surface->drawOpacityIsAnimating());
         EXPECT_TRUE(surface->renderSurface()->drawOpacityIsAnimating());
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
@@ skipping 26 matching lines @@
 };
 
 MAIN_THREAD_TEST(OcclusionTrackerTestAnimationOpacity1OnMainThread);
 
 template<class Types>
 class OcclusionTrackerTestAnimationOpacity0OnMainThread : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestAnimationOpacity0OnMainThread(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300), true);
-        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300), true);
-        typename Types::ContentLayerType* surfaceChild = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 300), true);
-        typename Types::ContentLayerType* surfaceChild2 = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 300), true);
-        typename Types::ContentLayerType* parent2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300), false);
-        typename Types::ContentLayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(250, 0), IntSize(50, 300), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300), true);
+        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300), true);
+        typename Types::ContentLayerType* surfaceChild = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 300), true);
+        typename Types::ContentLayerType* surfaceChild2 = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 300), true);
+        typename Types::ContentLayerType* parent2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300), false);
+        typename Types::ContentLayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(250, 0), gfx::Size(50, 300), true);
 
         addOpacityTransitionToController(*layer->layerAnimationController(), 10, 1, 0, false);
         addOpacityTransitionToController(*surface->layerAnimationController(), 10, 1, 0, false);
         this->calcDrawEtc(parent);
 
         EXPECT_TRUE(layer->drawOpacityIsAnimating());
         EXPECT_FALSE(surface->drawOpacityIsAnimating());
         EXPECT_TRUE(surface->renderSurface()->drawOpacityIsAnimating());
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
@@ skipping 26 matching lines @@
 };
 
 MAIN_THREAD_TEST(OcclusionTrackerTestAnimationOpacity0OnMainThread);
 
 template<class Types>
 class OcclusionTrackerTestAnimationTranslateOnMainThread : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestAnimationTranslateOnMainThread(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
-        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300), true);
-        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300), true);
-        typename Types::ContentLayerType* surfaceChild = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), IntSize(200, 300), true);
-        typename Types::ContentLayerType* surfaceChild2 = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 300), true);
-        typename Types::ContentLayerType* surface2 = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(50, 300), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
+        typename Types::ContentLayerType* layer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300), true);
+        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300), true);
+        typename Types::ContentLayerType* surfaceChild = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), gfx::Size(200, 300), true);
+        typename Types::ContentLayerType* surfaceChild2 = this->createDrawingLayer(surface, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 300), true);
+        typename Types::ContentLayerType* surface2 = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(50, 300), true);
 
         addAnimatedTransformToController(*layer->layerAnimationController(), 10, 30, 0);
         addAnimatedTransformToController(*surface->layerAnimationController(), 10, 30, 0);
         addAnimatedTransformToController(*surfaceChild->layerAnimationController(), 10, 30, 0);
         this->calcDrawEtc(parent);
 
         EXPECT_TRUE(layer->drawTransformIsAnimating());
         EXPECT_TRUE(layer->screenSpaceTransformIsAnimating());
         EXPECT_TRUE(surface->renderSurface()->targetSurfaceTransformsAreAnimating());
         EXPECT_TRUE(surface->renderSurface()->screenSpaceTransformsAreAnimating());
@@ skipping 72 matching lines @@
 class OcclusionTrackerTestSurfaceOcclusionTranslatesToParent : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestSurfaceOcclusionTranslatesToParent(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix surfaceTransform;
         surfaceTransform.translate(300, 300);
         surfaceTransform.scale(2);
         surfaceTransform.translate(-150, -150);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(500, 500));
-        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, surfaceTransform, FloatPoint(0, 0), IntSize(300, 300), false);
-        typename Types::ContentLayerType* surface2 = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(50, 50), IntSize(300, 300), false);
-        surface->setOpaqueContentsRect(IntRect(0, 0, 200, 200));
-        surface2->setOpaqueContentsRect(IntRect(0, 0, 200, 200));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(500, 500));
+        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, surfaceTransform, FloatPoint(0, 0), gfx::Size(300, 300), false);
+        typename Types::ContentLayerType* surface2 = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(50, 50), gfx::Size(300, 300), false);
+        surface->setOpaqueContentsRect(gfx::Rect(0, 0, 200, 200));
+        surface2->setOpaqueContentsRect(gfx::Rect(0, 0, 200, 200));
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(surface2, occlusion);
         this->visitContributingSurface(surface2, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(50, 50, 200, 200), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(50, 50, 200, 200), occlusion.occlusionInTargetSurface().bounds());
@@ skipping 14 matching lines @@
 };
 
 MAIN_AND_IMPL_THREAD_TEST(OcclusionTrackerTestSurfaceOcclusionTranslatesToParent);
 
 template<class Types>
 class OcclusionTrackerTestSurfaceOcclusionTranslatesWithClipping : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestSurfaceOcclusionTranslatesWithClipping(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 300));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 300));
         parent->setMasksToBounds(true);
-        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(500, 300), false);
-        surface->setOpaqueContentsRect(IntRect(0, 0, 400, 200));
+        typename Types::ContentLayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(500, 300), false);
+        surface->setOpaqueContentsRect(gfx::Rect(0, 0, 400, 200));
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
 
         this->visitLayer(surface, occlusion);
         this->visitContributingSurface(surface, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 300, 200), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 300, 200), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInTargetSurface().rects().size());
     }
 };
 
 MAIN_AND_IMPL_THREAD_TEST(OcclusionTrackerTestSurfaceOcclusionTranslatesWithClipping);
 
 template<class Types>
 class OcclusionTrackerTestReplicaOccluded : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestReplicaOccluded(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 200));
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100), true);
-        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(0, 100), IntSize(100, 100));
-        typename Types::LayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 100), IntSize(100, 100), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 200));
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100), true);
+        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(0, 100), gfx::Size(100, 100));
+        typename Types::LayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 100), gfx::Size(100, 100), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         // |topmost| occludes the replica, but not the surface itself.
         this->visitLayer(topmost, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 100, 100, 100), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 15 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestReplicaOccluded);
 
 template<class Types>
 class OcclusionTrackerTestSurfaceWithReplicaUnoccluded : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestSurfaceWithReplicaUnoccluded(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 200));
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100), true);
-        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(0, 100), IntSize(100, 100));
-        typename Types::LayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 110), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 200));
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100), true);
+        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(0, 100), gfx::Size(100, 100));
+        typename Types::LayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 110), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         // |topmost| occludes the surface, but not the entire surface's replica.
         this->visitLayer(topmost, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 100, 110), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 16 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestSurfaceWithReplicaUnoccluded);
 
 template<class Types>
 class OcclusionTrackerTestSurfaceAndReplicaOccludedDifferently : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestSurfaceAndReplicaOccludedDifferently(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 200));
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100), true);
-        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(0, 100), IntSize(100, 100));
-        typename Types::LayerType* overSurface = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(40, 100), true);
-        typename Types::LayerType* overReplica = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 100), IntSize(50, 100), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 200));
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100), true);
+        this->createReplicaLayer(surface, this->identityMatrix, FloatPoint(0, 100), gfx::Size(100, 100));
+        typename Types::LayerType* overSurface = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(40, 100), true);
+        typename Types::LayerType* overReplica = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 100), gfx::Size(50, 100), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         // These occlude the surface and replica differently, so we can test each one.
         this->visitLayer(overReplica, occlusion);
         this->visitLayer(overSurface, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 50, 200), occlusion.occlusionInScreenSpace().bounds());
@@ skipping 19 matching lines @@
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestSurfaceAndReplicaOccludedDifferently);
 
 template<class Types>
 class OcclusionTrackerTestSurfaceChildOfSurface : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestSurfaceChildOfSurface(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         // This test verifies that the surface cliprect does not end up empty and clip away the entire unoccluded rect.
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 200));
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100), true);
-        typename Types::LayerType* surfaceChild = this->createDrawingSurface(surface, this->identityMatrix, FloatPoint(0, 10), IntSize(100, 50), true);
-        typename Types::LayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 50), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 200));
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100), true);
+        typename Types::LayerType* surfaceChild = this->createDrawingSurface(surface, this->identityMatrix, FloatPoint(0, 10), gfx::Size(100, 50), true);
+        typename Types::LayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 50), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(-100, -100, 1000, 1000));
 
         // |topmost| occludes everything partially so we know occlusion is happening at all.
         this->visitLayer(topmost, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 100, 50), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 100, 50), occlusion.occlusionInTargetSurface().bounds());
@@ skipping 35 matching lines @@
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestSurfaceChildOfSurface);
 
 template<class Types>
 class OcclusionTrackerTestTopmostSurfaceIsClippedToViewport : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestTopmostSurfaceIsClippedToViewport(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         // This test verifies that the top-most surface is considered occluded outside of its target's clipRect and outside the viewport rect.
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(100, 200));
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 300), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 200));
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 300), true);
         this->calcDrawEtc(parent);
 
         {
             // Make a viewport rect that is larger than the root layer.
             TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
 
             this->visitLayer(surface, occlusion);
 
             // The root layer always has a clipRect. So the parent of |surface| has a clipRect giving the surface itself a clipRect.
             this->enterContributingSurface(surface, occlusion);
@@ skipping 18 matching lines @@
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestTopmostSurfaceIsClippedToViewport);
 
 template<class Types>
 class OcclusionTrackerTestSurfaceChildOfClippingSurface : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestSurfaceChildOfClippingSurface(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         // This test verifies that the surface cliprect does not end up empty and clip away the entire unoccluded rect.
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(80, 200));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(80, 200));
         parent->setMasksToBounds(true);
-        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100), true);
-        typename Types::LayerType* surfaceChild = this->createDrawingSurface(surface, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 100), false);
-        typename Types::LayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(100, 50), true);
+        typename Types::LayerType* surface = this->createDrawingSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100), true);
+        typename Types::LayerType* surfaceChild = this->createDrawingSurface(surface, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 100), false);
+        typename Types::LayerType* topmost = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(100, 50), true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
 
         // |topmost| occludes everything partially so we know occlusion is happening at all.
         this->visitLayer(topmost, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(0, 0, 80, 50), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
@@ skipping 31 matching lines @@
 protected:
     OcclusionTrackerTestDontOccludePixelsNeededForBackgroundFilter(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix scaleByHalf;
         scaleByHalf.scale(0.5);
 
         // Make a surface and its replica, each 50x50, that are completely surrounded by opaque layers which are above them in the z-order.
         // The surface is scaled to test that the pixel moving is done in the target space, where the background filter is applied, but the surface
         // appears at 50, 50 and the replica at 200, 50.
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 150));
-        typename Types::LayerType* filteredSurface = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(50, 50), IntSize(100, 100), false);
-        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(300, 0), IntSize());
-        typename Types::LayerType* occludingLayer1 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 50), true);
-        typename Types::LayerType* occludingLayer2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 100), IntSize(300, 50), true);
-        typename Types::LayerType* occludingLayer3 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 50), IntSize(50, 50), true);
-        typename Types::LayerType* occludingLayer4 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(100, 50), IntSize(100, 50), true);
-        typename Types::LayerType* occludingLayer5 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(250, 50), IntSize(50, 50), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 150));
+        typename Types::LayerType* filteredSurface = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(50, 50), gfx::Size(100, 100), false);
+        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(300, 0), gfx::Size());
+        typename Types::LayerType* occludingLayer1 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 50), true);
+        typename Types::LayerType* occludingLayer2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 100), gfx::Size(300, 50), true);
+        typename Types::LayerType* occludingLayer3 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 50), gfx::Size(50, 50), true);
+        typename Types::LayerType* occludingLayer4 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(100, 50), gfx::Size(100, 50), true);
+        typename Types::LayerType* occludingLayer5 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(250, 50), gfx::Size(50, 50), true);
 
         // Filters make the layer own a surface.
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createBlurFilter(10));
         filteredSurface->setBackgroundFilters(filters);
 
         // Save the distance of influence for the blur effect.
         int outsetTop, outsetRight, outsetBottom, outsetLeft;
         filters.getOutsets(outsetTop, outsetRight, outsetBottom, outsetLeft);
 
@@ skipping 92 matching lines @@
 template<class Types>
 class OcclusionTrackerTestTwoBackgroundFiltersReduceOcclusionTwice : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestTwoBackgroundFiltersReduceOcclusionTwice(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix scaleByHalf;
         scaleByHalf.scale(0.5);
 
         // Makes two surfaces that completely cover |parent|. The occlusion both above and below the filters will be reduced by each of them.
-        typename Types::ContentLayerType* root = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(75, 75));
-        typename Types::LayerType* parent = this->createSurface(root, scaleByHalf, FloatPoint(0, 0), IntSize(150, 150));
+        typename Types::ContentLayerType* root = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(75, 75));
+        typename Types::LayerType* parent = this->createSurface(root, scaleByHalf, FloatPoint(0, 0), gfx::Size(150, 150));
         parent->setMasksToBounds(true);
-        typename Types::LayerType* filteredSurface1 = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(0, 0), IntSize(300, 300), false);
-        typename Types::LayerType* filteredSurface2 = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(0, 0), IntSize(300, 300), false);
-        typename Types::LayerType* occludingLayerAbove = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(100, 100), IntSize(50, 50), true);
+        typename Types::LayerType* filteredSurface1 = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(0, 0), gfx::Size(300, 300), false);
+        typename Types::LayerType* filteredSurface2 = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(0, 0), gfx::Size(300, 300), false);
+        typename Types::LayerType* occludingLayerAbove = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(100, 100), gfx::Size(50, 50), true);
 
         // Filters make the layers own surfaces.
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createBlurFilter(1));
         filteredSurface1->setBackgroundFilters(filters);
         filteredSurface2->setBackgroundFilters(filters);
 
         // Save the distance of influence for the blur effect.
         int outsetTop, outsetRight, outsetBottom, outsetLeft;
         filters.getOutsets(outsetTop, outsetRight, outsetBottom, outsetLeft);
@@ skipping 28 matching lines @@
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestTwoBackgroundFiltersReduceOcclusionTwice);
 
 template<class Types>
 class OcclusionTrackerTestDontOccludePixelsNeededForBackgroundFilterWithClip : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestDontOccludePixelsNeededForBackgroundFilterWithClip(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         // Make a surface and its replica, each 50x50, that are completely surrounded by opaque layers which are above them in the z-order.
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 150));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 150));
         // We stick the filtered surface inside a clipping surface so that we can make sure the clip is honored when exposing pixels for
         // the background filter.
-        typename Types::LayerType* clippingSurface = this->createSurface(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 70));
+        typename Types::LayerType* clippingSurface = this->createSurface(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 70));
         clippingSurface->setMasksToBounds(true);
-        typename Types::LayerType* filteredSurface = this->createDrawingLayer(clippingSurface, this->identityMatrix, FloatPoint(50, 50), IntSize(50, 50), false);
-        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(150, 0), IntSize());
-        typename Types::LayerType* occludingLayer1 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), IntSize(300, 50), true);
-        typename Types::LayerType* occludingLayer2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 100), IntSize(300, 50), true);
-        typename Types::LayerType* occludingLayer3 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 50), IntSize(50, 50), true);
-        typename Types::LayerType* occludingLayer4 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(100, 50), IntSize(100, 50), true);
-        typename Types::LayerType* occludingLayer5 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(250, 50), IntSize(50, 50), true);
+        typename Types::LayerType* filteredSurface = this->createDrawingLayer(clippingSurface, this->identityMatrix, FloatPoint(50, 50), gfx::Size(50, 50), false);
+        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(150, 0), gfx::Size());
+        typename Types::LayerType* occludingLayer1 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 50), true);
+        typename Types::LayerType* occludingLayer2 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 100), gfx::Size(300, 50), true);
+        typename Types::LayerType* occludingLayer3 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 50), gfx::Size(50, 50), true);
+        typename Types::LayerType* occludingLayer4 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(100, 50), gfx::Size(100, 50), true);
+        typename Types::LayerType* occludingLayer5 = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(250, 50), gfx::Size(50, 50), true);
 
         // Filters make the layer own a surface. This filter is large enough that it goes outside the bottom of the clippingSurface.
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createBlurFilter(12));
         filteredSurface->setBackgroundFilters(filters);
 
         // Save the distance of influence for the blur effect.
         int outsetTop, outsetRight, outsetBottom, outsetLeft;
         filters.getOutsets(outsetTop, outsetRight, outsetBottom, outsetLeft);
 
@@ skipping 95 matching lines @@
 protected:
     OcclusionTrackerTestDontReduceOcclusionBelowBackgroundFilter(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix scaleByHalf;
         scaleByHalf.scale(0.5);
 
         // Make a surface and its replica, each 50x50, with a smaller 30x30 layer centered below each.
         // The surface is scaled to test that the pixel moving is done in the target space, where the background filter is applied, but the surface
         // appears at 50, 50 and the replica at 200, 50.
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 150));
-        typename Types::LayerType* behindSurfaceLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(60, 60), IntSize(30, 30), true);
-        typename Types::LayerType* behindReplicaLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(210, 60), IntSize(30, 30), true);
-        typename Types::LayerType* filteredSurface = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(50, 50), IntSize(100, 100), false);
-        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(300, 0), IntSize());
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 150));
+        typename Types::LayerType* behindSurfaceLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(60, 60), gfx::Size(30, 30), true);
+        typename Types::LayerType* behindReplicaLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(210, 60), gfx::Size(30, 30), true);
+        typename Types::LayerType* filteredSurface = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(50, 50), gfx::Size(100, 100), false);
+        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(300, 0), gfx::Size());
 
         // Filters make the layer own a surface.
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createBlurFilter(3));
         filteredSurface->setBackgroundFilters(filters);
 
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
@@ skipping 25 matching lines @@
 protected:
     OcclusionTrackerTestDontReduceOcclusionIfBackgroundFilterIsOccluded(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix scaleByHalf;
         scaleByHalf.scale(0.5);
 
         // Make a surface and its replica, each 50x50, that are completely occluded by opaque layers which are above them in the z-order.
         // The surface is scaled to test that the pixel moving is done in the target space, where the background filter is applied, but the surface
         // appears at 50, 50 and the replica at 200, 50.
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 150));
-        typename Types::LayerType* filteredSurface = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(50, 50), IntSize(100, 100), false);
-        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(300, 0), IntSize());
-        typename Types::LayerType* aboveSurfaceLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(50, 50), IntSize(50, 50), true);
-        typename Types::LayerType* aboveReplicaLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(200, 50), IntSize(50, 50), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 150));
+        typename Types::LayerType* filteredSurface = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(50, 50), gfx::Size(100, 100), false);
+        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(300, 0), gfx::Size());
+        typename Types::LayerType* aboveSurfaceLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(50, 50), gfx::Size(50, 50), true);
+        typename Types::LayerType* aboveReplicaLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(200, 50), gfx::Size(50, 50), true);
 
         // Filters make the layer own a surface.
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createBlurFilter(3));
         filteredSurface->setBackgroundFilters(filters);
 
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
@@ skipping 24 matching lines @@
 protected:
     OcclusionTrackerTestReduceOcclusionWhenBackgroundFilterIsPartiallyOccluded(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
         WebTransformationMatrix scaleByHalf;
         scaleByHalf.scale(0.5);
 
         // Make a surface and its replica, each 50x50, that are partially occluded by opaque layers which are above them in the z-order.
         // The surface is scaled to test that the pixel moving is done in the target space, where the background filter is applied, but the surface
         // appears at 50, 50 and the replica at 200, 50.
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(300, 150));
-        typename Types::LayerType* filteredSurface = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(50, 50), IntSize(100, 100), false);
-        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(300, 0), IntSize());
-        typename Types::LayerType* aboveSurfaceLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(70, 50), IntSize(30, 50), true);
-        typename Types::LayerType* aboveReplicaLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(200, 50), IntSize(30, 50), true);
-        typename Types::LayerType* besideSurfaceLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(90, 40), IntSize(10, 10), true);
-        typename Types::LayerType* besideReplicaLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(200, 40), IntSize(10, 10), true);
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(300, 150));
+        typename Types::LayerType* filteredSurface = this->createDrawingLayer(parent, scaleByHalf, FloatPoint(50, 50), gfx::Size(100, 100), false);
+        this->createReplicaLayer(filteredSurface, this->identityMatrix, FloatPoint(300, 0), gfx::Size());
+        typename Types::LayerType* aboveSurfaceLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(70, 50), gfx::Size(30, 50), true);
+        typename Types::LayerType* aboveReplicaLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(200, 50), gfx::Size(30, 50), true);
+        typename Types::LayerType* besideSurfaceLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(90, 40), gfx::Size(10, 10), true);
+        typename Types::LayerType* besideReplicaLayer = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(200, 40), gfx::Size(10, 10), true);
 
         // Filters make the layer own a surface.
         WebFilterOperations filters;
         filters.append(WebFilterOperation::createBlurFilter(3));
         filteredSurface->setBackgroundFilters(filters);
 
         // Save the distance of influence for the blur effect.
         int outsetTop, outsetRight, outsetBottom, outsetLeft;
         filters.getOutsets(outsetTop, outsetRight, outsetBottom, outsetLeft);
 
@@ skipping 40 matching lines @@
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestReduceOcclusionWhenBackgroundFilterIsPartiallyOccluded);
 
 template<class Types>
 class OcclusionTrackerTestMinimumTrackingSize : public OcclusionTrackerTest<Types> {
 protected:
     OcclusionTrackerTestMinimumTrackingSize(bool opaqueLayers) : OcclusionTrackerTest<Types>(opaqueLayers) {}
     void runMyTest()
     {
-        IntSize trackingSize(100, 100);
-        IntSize belowTrackingSize(99, 99);
+        gfx::Size trackingSize(100, 100);
+        gfx::Size belowTrackingSize(99, 99);
 
-        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), IntSize(400, 400));
+        typename Types::ContentLayerType* parent = this->createRoot(this->identityMatrix, FloatPoint(0, 0), gfx::Size(400, 400));
         typename Types::LayerType* large = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), trackingSize, true);
         typename Types::LayerType* small = this->createDrawingLayer(parent, this->identityMatrix, FloatPoint(0, 0), belowTrackingSize, true);
         this->calcDrawEtc(parent);
 
         TestOcclusionTrackerWithClip<typename Types::LayerType, typename Types::RenderSurfaceType> occlusion(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setLayerClipRect(gfx::Rect(0, 0, 1000, 1000));
         occlusion.setMinimumTrackingSize(trackingSize);
 
         // The small layer is not tracked because it is too small.
         this->visitLayer(small, occlusion);
 
         EXPECT_RECT_EQ(gfx::Rect(), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(0u, occlusion.occlusionInScreenSpace().rects().size());
         EXPECT_RECT_EQ(gfx::Rect(), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(0u, occlusion.occlusionInTargetSurface().rects().size());
 
         // The large layer is tracked as it is large enough.
         this->visitLayer(large, occlusion);
 
-        EXPECT_RECT_EQ(gfx::Rect(IntPoint(), trackingSize), occlusion.occlusionInScreenSpace().bounds());
+        EXPECT_RECT_EQ(gfx::Rect(gfx::Point(), trackingSize), occlusion.occlusionInScreenSpace().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInScreenSpace().rects().size());
-        EXPECT_RECT_EQ(gfx::Rect(IntPoint(), trackingSize), occlusion.occlusionInTargetSurface().bounds());
+        EXPECT_RECT_EQ(gfx::Rect(gfx::Point(), trackingSize), occlusion.occlusionInTargetSurface().bounds());
         EXPECT_EQ(1u, occlusion.occlusionInTargetSurface().rects().size());
     }
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestMinimumTrackingSize);
 
 } // namespace