Get rid of graphics layer anchor points, and replace with transform origin.

cc/layers/video_layer_impl_unittest.cc

 // Copyright 2014 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 "cc/layers/video_layer_impl.h"
 
 #include "cc/layers/video_frame_provider_client_impl.h"
 #include "cc/output/context_provider.h"
 #include "cc/output/output_surface.h"
 #include "cc/test/fake_video_frame_provider.h"
@@ skipping 16 matching lines @@
       media::VideoFrame::CreateFrame(media::VideoFrame::YV12,
                                      gfx::Size(10, 10),
                                      gfx::Rect(10, 10),
                                      gfx::Size(10, 10),
                                      base::TimeDelta());
   FakeVideoFrameProvider provider;
   provider.set_frame(video_frame);
 
   VideoLayerImpl* video_layer_impl =
       impl.AddChildToRoot<VideoLayerImpl>(&provider);
-  video_layer_impl->SetAnchorPoint(gfx::PointF());
   video_layer_impl->SetBounds(layer_size);
   video_layer_impl->SetContentBounds(layer_size);
   video_layer_impl->SetDrawsContent(true);
 
   impl.CalcDrawProps(viewport_size);
 
   {
     SCOPED_TRACE("No occlusion");
     gfx::Rect occluded;
     impl.AppendQuadsWithOcclusion(video_layer_impl, occluded);
@@ skipping 41 matching lines @@
       static_cast<VideoFrameProviderClientImpl*>(provider.client());
   ASSERT_TRUE(client);
   EXPECT_FALSE(client->active_video_layer());
 
   video_layer_impl->DidBecomeActive();
   EXPECT_EQ(video_layer_impl, client->active_video_layer());
 }
 
 }  // namespace
 }  // namespace cc