Remove unused include of cc/layers/ from cc/quads

This looks like a leftover from an earlier less structured era.

R=danakj@chromium.org

Review URL: https://codereview.chromium.org/1002063003

Cr-Commit-Position: refs/heads/master@{#320760}

cc/quads/yuv_video_draw_quad.h

@@ -8,7 +8,6 @@
 #include "base/basictypes.h"
 #include "base/memory/scoped_ptr.h"
 #include "cc/base/cc_export.h"
-#include "cc/layers/video_layer_impl.h"
 #include "cc/quads/draw_quad.h"
 
 namespace cc {

content/common/cc_messages_unittest.cc

@@ -39,7 +39,6 @@ using cc::TextureDrawQuad;
 using cc::TileDrawQuad;
 using cc::TransferableResource;
 using cc::StreamVideoDrawQuad;
-using cc::VideoLayerImpl;
 using cc::YUVVideoDrawQuad;
 using gfx::Transform;