Track transform animation content readiness on TransformNode.

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 408 matching lines @@
   virtual Region GetInvalidationRegionForDebugging();
 
   virtual gfx::Rect GetEnclosingRectInTargetSpace() const;
 
   bool has_copy_requests_in_target_subtree();
 
   void UpdatePropertyTreeForScrollingAndAnimationIfNeeded();
 
   float GetIdealContentsScale() const;
 
-  bool was_ever_ready_since_last_transform_animation() const {
-    return was_ever_ready_since_last_transform_animation_;
-  }
-
-  void set_was_ever_ready_since_last_transform_animation(bool was_ready) {
-    was_ever_ready_since_last_transform_animation_ = was_ready;
-  }
-
   void NoteLayerPropertyChanged();
 
   void SetHasWillChangeTransformHint(bool has_will_change);
   bool has_will_change_transform_hint() const {
     return has_will_change_transform_hint_;
   }
 
   MutatorHost* GetMutatorHost() const;
 
   ElementListType GetElementTypeForAnimation() const;
@@ skipping 60 matching lines @@
   bool may_contain_video_ : 1;
 
   bool masks_to_bounds_ : 1;
   bool contents_opaque_ : 1;
   bool use_parent_backface_visibility_ : 1;
   bool use_local_transform_for_backface_visibility_ : 1;
   bool should_check_backface_visibility_ : 1;
   bool draws_content_ : 1;
   bool contributes_to_drawn_render_surface_ : 1;
 
-  // This is true if and only if the layer was ever ready since it last animated
-  // (all content was complete).
-  bool was_ever_ready_since_last_transform_animation_ : 1;
-
   static_assert(LAST_VIEWPORT_LAYER_TYPE < (1u << 3),
                 "enough bits for ViewportLayerType (viewport_layer_type_)");
   uint8_t viewport_layer_type_ : 3;  // ViewportLayerType
 
   Region non_fast_scrollable_region_;
   Region touch_event_handler_region_;
   SkColor background_color_;
   SkColor safe_opaque_background_color_;
 
   gfx::PointF position_;
@@ skipping 46 matching lines @@
   bool needs_show_scrollbars_ : 1;
 
   bool raster_even_if_not_in_rsll_ : 1;
 
   DISALLOW_COPY_AND_ASSIGN(LayerImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_LAYERS_LAYER_IMPL_H_