Added support for YUV videos to the software compositor.

cc/software_renderer.cc

Index: cc/software_renderer.cc
diff --git a/cc/software_renderer.cc b/cc/software_renderer.cc
index 7781b552fcc7ba495afd90d02c6040b9ba6e8fe3..00f44cbeb0344a9602229f3ff2f0849808b3886e 100644
--- a/cc/software_renderer.cc
+++ b/cc/software_renderer.cc
@@ -17,12 +17,12 @@
 #include "third_party/skia/include/core/SkShader.h"
 #include "third_party/skia/include/effects/SkLayerRasterizer.h"
 #include "ui/gfx/rect_conversions.h"
+#include <public/WebCompositorSoftwareOutputDevice.h>
 #include <public/WebImage.h>
 #include <public/WebSize.h>
 #include <public/WebTransformationMatrix.h>
 
 using WebKit::WebCompositorSoftwareOutputDevice;
-using WebKit::WebImage;
 using WebKit::WebSize;
 using WebKit::WebTransformationMatrix;
 
@@ -255,12 +255,13 @@ void SoftwareRenderer::drawTextureQuad(const DrawingFrame& frame, const TextureD
 
     // FIXME: Add support for non-premultiplied alpha.
     ResourceProvider::ScopedReadLockSoftware quadResourceLock(m_resourceProvider, quad->resourceId());
+    const SkBitmap* bitmap = quadResourceLock.skBitmap();
     gfx::RectF uvRect = quad->uvRect();
-    uvRect.Scale(quad->quadRect().width(), quad->quadRect().height());
+    uvRect.Scale(bitmap->width(), bitmap->height());
     SkIRect skUvRect = toSkIRect(gfx::ToEnclosingRect(uvRect));
     if (quad->flipped())
         m_skCurrentCanvas->scale(1, -1);
-    m_skCurrentCanvas->drawBitmapRect(*quadResourceLock.skBitmap(), &skUvRect, toSkRect(quadVertexRect()), &m_skCurrentPaint);
+    m_skCurrentCanvas->drawBitmapRect(*bitmap, &skUvRect, toSkRect(quadVertexRect()), &m_skCurrentPaint);
 }
 
 void SoftwareRenderer::drawTileQuad(const DrawingFrame& frame, const TileDrawQuad* quad)