cc: Implement deadline scheduling disabled by default

cc/trees/layer_tree_host_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_TREES_LAYER_TREE_HOST_IMPL_H_
 #define CC_TREES_LAYER_TREE_HOST_IMPL_H_
 
 #include <list>
 #include <set>
 #include <string>
@@ skipping 167 matching lines @@
   const LayerTreeSettings& settings() const { return settings_; }
 
   // Evict all textures by enforcing a memory policy with an allocation of 0.
   void EvictTexturesForTesting();
 
   // When blocking, this prevents client_->NotifyReadyToActivate() from being
   // called. When disabled, it calls client_->NotifyReadyToActivate()
   // immediately if any notifications had been blocked while blocking.
   virtual void BlockNotifyReadyToActivateForTesting(bool block);
 
+  // This allows us to inject DidInitializeVisibleTile events for testing.
+  void DidInitializeVisibleTileForTesting();
+
   bool device_viewport_valid_for_tile_management() const {
     return device_viewport_valid_for_tile_management_;
   }
 
   // Viewport size in draw space: this size is in physical pixels and is used
   // for draw properties, tilings, quads and render passes.
   gfx::Size DrawViewportSize() const;
 
   // Viewport size for scrolling and fixed-position compensation. This value
   // excludes the URL bar and non-overlay scrollbars and is in DIP (and
@@ skipping 204 matching lines @@
 
   void CreateUIResource(UIResourceId uid,
                         scoped_refptr<UIResourceBitmap> bitmap);
   // Deletes a UI resource.  May safely be called more than once.
   void DeleteUIResource(UIResourceId uid);
   void EvictAllUIResources();
   bool EvictedUIResourcesExist() const;
 
   ResourceProvider::ResourceId ResourceIdForUIResource(UIResourceId uid) const;
 
-  void DidInitializeVisibleTileForTesting() { DidInitializeVisibleTile(); }
-
  protected:
   LayerTreeHostImpl(
       const LayerTreeSettings& settings,
       LayerTreeHostImplClient* client,
       Proxy* proxy,
       RenderingStatsInstrumentation* rendering_stats_instrumentation);
 
   // Virtual for testing.
   virtual void AnimateLayers(base::TimeTicks monotonic_time,
                              base::Time wall_clock_time);
@@ skipping 185 matching lines @@
 
   // Optional callback to notify of new tree activations.
   base::Closure tree_activation_callback_;
 
   DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl);
 };
 
 }  // namespace cc
 
 #endif  // CC_TREES_LAYER_TREE_HOST_IMPL_H_