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

cc/layers/layer_impl.h

 // Copyright 2011 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.
 
 #ifndef CC_LAYERS_LAYER_IMPL_H_
 #define CC_LAYERS_LAYER_IMPL_H_
 
 #include <set>
 #include <string>
 
@@ skipping 12 matching lines @@
 #include "cc/layers/layer_position_constraint.h"
 #include "cc/layers/render_surface_impl.h"
 #include "cc/output/filter_operations.h"
 #include "cc/quads/render_pass.h"
 #include "cc/quads/shared_quad_state.h"
 #include "cc/resources/resource_provider.h"
 #include "skia/ext/refptr.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "third_party/skia/include/core/SkPicture.h"
+#include "ui/gfx/point3_f.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/rect_f.h"
 #include "ui/gfx/transform.h"
 
 namespace base {
 namespace debug {
 class ConvertableToTraceFormat;
 }
 
 class DictionaryValue;
@@ skipping 152 matching lines @@
   // Returns true if this layer has content to draw.
   void SetDrawsContent(bool draws_content);
   bool DrawsContent() const { return draws_content_; }
 
   void SetHideLayerAndSubtree(bool hide);
   bool hide_layer_and_subtree() const { return hide_layer_and_subtree_; }
 
   bool force_render_surface() const { return force_render_surface_; }
   void SetForceRenderSurface(bool force) { force_render_surface_ = force; }
 
-  void SetAnchorPoint(const gfx::PointF& anchor_point);
-  gfx::PointF anchor_point() const { return anchor_point_; }
-
-  void SetAnchorPointZ(float anchor_point_z);
-  float anchor_point_z() const { return anchor_point_z_; }
+  void SetTransformOrigin(const gfx::Point3F& transform_origin);
+  gfx::Point3F transform_origin() const { return transform_origin_; }
 
   void SetBackgroundColor(SkColor background_color);
   SkColor background_color() const { return background_color_; }
   // If contents_opaque(), return an opaque color else return a
   // non-opaque color.  Tries to return background_color(), if possible.
   SkColor SafeOpaqueBackgroundColor() const;
 
   void SetFilters(const FilterOperations& filters);
   const FilterOperations& filters() const { return filters_; }
   bool FilterIsAnimating() const;
@@ skipping 370 matching lines @@
   // mask_layer_ can be temporarily stolen during tree sync, we need this ID to
   // confirm newly assigned layer is still the previous one
   int mask_layer_id_;
   scoped_ptr<LayerImpl> mask_layer_;
   int replica_layer_id_;  // ditto
   scoped_ptr<LayerImpl> replica_layer_;
   int layer_id_;
   LayerTreeImpl* layer_tree_impl_;
 
   // Properties synchronized from the associated Layer.
-  gfx::PointF anchor_point_;
-  float anchor_point_z_;
+  gfx::Point3F transform_origin_;
   gfx::Size bounds_;
   gfx::SizeF temporary_impl_bounds_;
   gfx::Vector2d scroll_offset_;
   ScrollOffsetDelegate* scroll_offset_delegate_;
   LayerImpl* scroll_clip_layer_;
   bool scrollable_ : 1;
   bool should_scroll_on_main_thread_ : 1;
   bool have_wheel_event_handlers_ : 1;
   bool have_scroll_event_handlers_ : 1;
   bool user_scrollable_horizontal_ : 1;
@@ skipping 81 matching lines @@
   DrawProperties<LayerImpl> draw_properties_;
 
   scoped_refptr<base::debug::ConvertableToTraceFormat> debug_info_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_