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

cc/layers/layer_iterator_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/layers/layer_iterator.h"
 
 #include <vector>
 
 #include "cc/layers/layer.h"
 #include "cc/test/fake_layer_tree_host.h"
@@ skipping 20 matching lines @@
   int count_representing_contributing_surface_;
   int count_representing_itself_;
 
   virtual bool DrawsContent() const OVERRIDE { return draws_content_; }
   void set_draws_content(bool draws_content) { draws_content_ = draws_content; }
 
  private:
   TestLayer() : Layer(), draws_content_(true) {
     SetBounds(gfx::Size(100, 100));
     SetPosition(gfx::Point());
-    SetAnchorPoint(gfx::Point());
   }
   virtual ~TestLayer() {}
 
   bool draws_content_;
 };
 
 #define EXPECT_COUNT(layer, target, contrib, itself)                           \
   EXPECT_EQ(target, layer->count_representing_target_surface_);                \
   EXPECT_EQ(contrib, layer->count_representing_contributing_surface_);         \
   EXPECT_EQ(itself, layer->count_representing_itself_);
@@ skipping 156 matching lines @@
   EXPECT_COUNT(root21, -1, -1, 9);
   EXPECT_COUNT(root22, 7, 8, 6);
   EXPECT_COUNT(root221, -1, -1, 5);
   EXPECT_COUNT(root23, 3, 4, 2);
   EXPECT_COUNT(root231, -1, -1, 1);
   EXPECT_COUNT(root3, -1, -1, 0);
 }
 
 }  // namespace
 }  // namespace cc