Plumb through cropped output size for VideoFrame

cc/video_layer_impl.h

 // 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.
 
 #ifndef CCVideoLayerImpl_h
 #define CCVideoLayerImpl_h
 
 #include "IntSize.h"
 #include "base/synchronization/lock.h"
 #include "cc/layer_impl.h"
@@ skipping 32 matching lines @@
     virtual void didUpdateMatrix(const float*); // Callable on impl thread.
 
     virtual void didLoseContext() OVERRIDE;
 
     void setNeedsRedraw();
 
     struct FramePlane {
         ResourceProvider::ResourceId resourceId;
         IntSize size;
         GLenum format;
-        IntSize visibleSize;
 
         FramePlane() : resourceId(0) { }
 
         bool allocateData(ResourceProvider*);
         void freeData(ResourceProvider*);
     };
 
 private:
     VideoLayerImpl(int, WebKit::WebVideoFrameProvider*);
 
-    static IntSize computeVisibleSize(const WebKit::WebVideoFrame&, unsigned plane);
     virtual const char* layerTypeAsString() const OVERRIDE;
 
     void willDrawInternal(ResourceProvider*);
     bool allocatePlaneData(ResourceProvider*);
     bool copyPlaneData(ResourceProvider*);
     void freePlaneData(ResourceProvider*);
     void freeUnusedPlaneData(ResourceProvider*);
 
     // Guards the destruction of m_provider and the frame that it provides
     base::Lock m_providerLock;
     WebKit::WebVideoFrameProvider* m_provider;
 
     WebKit::WebTransformationMatrix m_streamTextureMatrix;
 
     WebKit::WebVideoFrame* m_frame;
     GLenum m_format;
     ResourceProvider::ResourceId m_externalTextureResource;
 
     // Each index in this array corresponds to a plane in WebKit::WebVideoFrame.
     FramePlane m_framePlanes[WebKit::WebVideoFrame::maxPlanes];
 };
 
 }
 
 #endif // CCVideoLayerImpl_h