Fix CC*Renderer and CC*LayerImpl to compile with Clang

cc/CCLayerTreeHostImpl.h

 // Copyright 2011 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.
 
 #ifndef CCLayerTreeHostImpl_h
 #define CCLayerTreeHostImpl_h
 
 #include "CCAnimationEvents.h"
 #include "CCInputHandler.h"
 #include "CCLayerSorter.h"
@@ skipping 47 matching lines @@
     virtual CCInputHandlerClient::ScrollStatus scrollBegin(const IntPoint&, CCInputHandlerClient::ScrollInputType) OVERRIDE;
     virtual void scrollBy(const IntPoint&, const IntSize&) OVERRIDE;
     virtual void scrollEnd() OVERRIDE;
     virtual void pinchGestureBegin() OVERRIDE;
     virtual void pinchGestureUpdate(float, const IntPoint&) OVERRIDE;
     virtual void pinchGestureEnd() OVERRIDE;
     virtual void startPageScaleAnimation(const IntSize& targetPosition, bool anchorPoint, float pageScale, double startTime, double duration) OVERRIDE;
     virtual void scheduleAnimation() OVERRIDE;
 
     struct FrameData : public CCRenderPassSink {
+        FrameData();
+        ~FrameData();
+
         Vector<IntRect> occludingScreenSpaceRects;
         CCRenderPassList renderPasses;
         CCRenderPassIdHashMap renderPassesById;
         CCLayerList* renderSurfaceLayerList;
         CCLayerList willDrawLayers;
 
         // CCRenderPassSink implementation.
         virtual void appendRenderPass(PassOwnPtr<CCRenderPass>) OVERRIDE;
     };
 
     // Virtual for testing.
     virtual void beginCommit();
     virtual void commitComplete();
     virtual void animate(double monotonicTime, double wallClockTime);
 
     // Returns false if problems occured preparing the frame, and we should try
     // to avoid displaying the frame. If prepareToDraw is called,
     // didDrawAllLayers must also be called, regardless of whether drawLayers is
     // called between the two.
     virtual bool prepareToDraw(FrameData&);
     virtual void drawLayers(const FrameData&);
     // Must be called if and only if prepareToDraw was called.
     void didDrawAllLayers(const FrameData&);
 
     // CCRendererClient implementation
-    virtual const IntSize& deviceViewportSize() const OVERRIDE { return m_deviceViewportSize; }
-    virtual const CCLayerTreeSettings& settings() const OVERRIDE { return m_settings; }
+    virtual const IntSize& deviceViewportSize() const OVERRIDE;
+    virtual const CCLayerTreeSettings& settings() const OVERRIDE;
     virtual void didLoseContext() OVERRIDE;
     virtual void onSwapBuffersComplete() OVERRIDE;
     virtual void setFullRootLayerDamage() OVERRIDE;
     virtual void releaseContentsTextures() OVERRIDE;
     virtual void setMemoryAllocationLimitBytes(size_t) OVERRIDE;
 
     // WebCompositorOutputSurfaceClient implementation.
     virtual void onVSyncParametersChanged(double monotonicTimebase, double intervalInSeconds) OVERRIDE;
 
     // Implementation
@@ skipping 182 matching lines @@
     // rendering and input event hit testing.
     CCLayerList m_renderSurfaceLayerList;
 
     OwnPtr<CCFrameRateCounter> m_fpsCounter;
     OwnPtr<CCDebugRectHistory> m_debugRectHistory;
 };
 
 };
 
 #endif