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

cc/trees/occlusion_tracker_unittest.cc

 // 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.
 
 #include "cc/trees/occlusion_tracker.h"
 
 #include "cc/animation/layer_animation_controller.h"
 #include "cc/base/math_util.h"
 #include "cc/layers/layer.h"
 #include "cc/layers/layer_impl.h"
@@ skipping 375 matching lines @@
     host_->SetRootLayer(scoped_refptr<Layer>(root));
   }
 
   void SetRootLayerOnMainThread(LayerImpl* root) {}
 
   void SetBaseProperties(typename Types::LayerType* layer,
                          const gfx::Transform& transform,
                          const gfx::PointF& position,
                          const gfx::Size& bounds) {
     layer->SetTransform(transform);
-    layer->SetAnchorPoint(gfx::PointF());
     layer->SetPosition(position);
     layer->SetBounds(bounds);
   }
 
   void SetProperties(Layer* layer,
                      const gfx::Transform& transform,
                      const gfx::PointF& position,
                      const gfx::Size& bounds) {
     SetBaseProperties(layer, transform, position, bounds);
   }
@@ skipping 3145 matching lines @@
               occlusion.occlusion_from_outside_target().ToString());
     EXPECT_EQ(gfx::Rect().ToString(),
               occlusion.occlusion_from_inside_target().ToString());
   }
 };
 
 ALL_OCCLUSIONTRACKER_TEST(OcclusionTrackerTestHiddenCopyRequestDoesNotOcclude)
 
 }  // namespace
 }  // namespace cc