cc: Remove tiles from recycle tree that were deleted on active.

cc/test/fake_picture_layer_impl.h

 // Copyright 2013 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_TEST_FAKE_PICTURE_LAYER_IMPL_H_
 #define CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "cc/layers/picture_layer_impl.h"
 
@@ skipping 46 matching lines @@
   using PictureLayerImpl::CanHaveTilings;
   using PictureLayerImpl::MarkVisibleResourcesAsRequired;
   using PictureLayerImpl::DoPostCommitInitializationIfNeeded;
   using PictureLayerImpl::MinimumContentsScale;
   using PictureLayerImpl::GetViewportForTilePriorityInContentSpace;
   using PictureLayerImpl::SanityCheckTilingState;
 
   using PictureLayerImpl::UpdateIdealScales;
   using PictureLayerImpl::MaximumTilingContentsScale;
 
+  PictureLayerImpl* GetRecycledTwinLayer() { return recycled_twin_layer_; }
+
   void SetNeedsPostCommitInitialization() {
     needs_post_commit_initialization_ = true;
   }
 
   bool needs_post_commit_initialization() const {
     return needs_post_commit_initialization_;
   }
 
   float raster_page_scale() const { return raster_page_scale_; }
   void set_raster_page_scale(float scale) { raster_page_scale_ = scale; }
@@ skipping 46 matching lines @@
 
   size_t append_quads_count_;
   size_t did_become_active_call_count_;
   bool has_valid_tile_priorities_;
   bool use_set_valid_tile_priorities_flag_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_