cc: Move tiling management out of draw properties calculation.

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 164 matching lines @@
 
   virtual bool HasDelegatedContent() const;
   virtual bool HasContributingDelegatedRenderPasses() const;
   virtual RenderPass::Id FirstContributingRenderPassId() const;
   virtual RenderPass::Id NextContributingRenderPassId(RenderPass::Id id) const;
 
   virtual void UpdateTilePriorities() {}
   virtual void NotifyTileInitialized(const Tile* tile) {}
 
   virtual ScrollbarLayerImplBase* ToScrollbarLayer();
+  virtual void ManageTilings(bool animating_transform_to_screen,

[enne (OOO), 2014/05/13 18:04:09]

Please don't add this to LayerImpl.  Too many virtuals already.

[danakj, 2014/05/13 18:10:07]

If this is not being called mid-CalcDrawProps, it can safely use the layer's
draw properties. This one is screen_space_transform_is_animating

https://code.google.com/p/chromium/codesearch#chromium/src/cc/layers/draw_pro...

+                             float maximum_animation_contents_scale) {}

[danakj, 2014/05/13 18:10:07]

This one probably needs to be added to the DrawProperties

 
   // 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; }
@@ skipping 490 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_