Chromium -> Mojo roll.

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 65 matching lines @@
   using PictureLayerImpl::CleanUpTilingsOnActiveLayer;
   using PictureLayerImpl::CanHaveTilings;
   using PictureLayerImpl::MinimumContentsScale;
   using PictureLayerImpl::SanityCheckTilingState;
   using PictureLayerImpl::GetRecycledTwinLayer;
   using PictureLayerImpl::UpdateRasterSource;
 
   using PictureLayerImpl::UpdateIdealScales;
   using PictureLayerImpl::MaximumTilingContentsScale;
 
+  void AddTilingUntilNextDraw(float scale) {
+    last_append_quads_tilings_.push_back(AddTiling(scale));
+  }
+
   float raster_page_scale() const { return raster_page_scale_; }
   void set_raster_page_scale(float scale) { raster_page_scale_ = scale; }
 
   float ideal_contents_scale() const { return ideal_contents_scale_; }
   float raster_contents_scale() const { return raster_contents_scale_; }
 
   PictureLayerTiling* HighResTiling() const;
   PictureLayerTiling* LowResTiling() const;
   size_t num_tilings() const { return tilings_->num_tilings(); }
 
@@ skipping 66 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_;
   size_t release_resources_count_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_