CC Animation: Unify ElementId in Blink Compositor Worker.

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 <stddef.h>
 #include <stdint.h>
 
@@ skipping 15 matching lines @@
 #include "cc/layers/draw_properties.h"
 #include "cc/layers/layer_collections.h"
 #include "cc/layers/layer_impl_test_properties.h"
 #include "cc/layers/layer_position_constraint.h"
 #include "cc/layers/performance_properties.h"
 #include "cc/layers/render_surface_impl.h"
 #include "cc/output/filter_operations.h"
 #include "cc/quads/shared_quad_state.h"
 #include "cc/resources/resource_provider.h"
 #include "cc/tiles/tile_priority.h"
+#include "cc/trees/element_id.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "third_party/skia/include/core/SkImageFilter.h"
 #include "ui/gfx/geometry/point3_f.h"
 #include "ui/gfx/geometry/rect.h"
 #include "ui/gfx/geometry/rect_f.h"
 #include "ui/gfx/geometry/scroll_offset.h"
 #include "ui/gfx/transform.h"
 
 namespace base {
 namespace trace_event {
@@ skipping 191 matching lines @@
 
   void SetContentsOpaque(bool opaque);
   bool contents_opaque() const { return contents_opaque_; }
 
   void SetOpacity(float opacity);
   float opacity() const { return opacity_; }
   bool OpacityIsAnimating() const;
   bool HasPotentiallyRunningOpacityAnimation() const;
   bool OpacityIsAnimatingOnImplOnly() const;
 
-  void SetElementId(uint64_t element_id);
-  uint64_t element_id() const { return element_id_; }
+  void SetElementId(ElementId element_id);
+  ElementId element_id() const { return element_id_; }
 
   void SetMutableProperties(uint32_t properties);
   uint32_t mutable_properties() const { return mutable_properties_; }
 
   void SetBlendMode(SkXfermode::Mode);
   SkXfermode::Mode blend_mode() const { return blend_mode_; }
   void set_draw_blend_mode(SkXfermode::Mode blend_mode) {
     if (draw_blend_mode_ == blend_mode)
       return;
     draw_blend_mode_ = blend_mode;
@@ skipping 369 matching lines @@
   friend class TreeSynchronizer;
 
   // Layers that share a sorting context id will be sorted together in 3d
   // space.  0 is a special value that means this layer will not be sorted and
   // will be drawn in paint order.
   int sorting_context_id_;
 
   DrawMode current_draw_mode_;
 
  private:
-  uint64_t element_id_;
+  ElementId element_id_;
   uint32_t mutable_properties_;
   // Rect indicating what was repainted/updated during update.
   // Note that plugin layers bypass this and leave it empty.
   // This is in the layer's space.
   gfx::Rect update_rect_;
 
   // Denotes an area that is damaged and needs redraw. This is in the layer's
   // space.
   gfx::Rect damage_rect_;
 
@@ skipping 12 matching lines @@
   bool scrolls_drawn_descendant_;
   // If true, the layer or one of its descendants has a touch handler.
   bool layer_or_descendant_has_touch_handler_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_