cc: Make sure mask and replica layers get DidBecomeActive signal.

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 23 matching lines @@
   }
 
   virtual scoped_ptr<LayerImpl> CreateLayerImpl(LayerTreeImpl* tree_impl)
       OVERRIDE;
   virtual void AppendQuads(RenderPass* render_pass,
                            const OcclusionTracker<LayerImpl>& occlusion_tracker,
                            AppendQuadsData* append_quads_data) OVERRIDE;
   virtual gfx::Size CalculateTileSize(
       const gfx::Size& content_bounds) const OVERRIDE;
 
+  virtual void DidBecomeActive() OVERRIDE;
+  size_t did_become_active_call_count() {
+    return did_become_active_call_count_;
+  }
+
   using PictureLayerImpl::AddTiling;
   using PictureLayerImpl::CleanUpTilingsOnActiveLayer;
   using PictureLayerImpl::CanHaveTilings;
   using PictureLayerImpl::MarkVisibleResourcesAsRequired;
   using PictureLayerImpl::DoPostCommitInitializationIfNeeded;
   using PictureLayerImpl::MinimumContentsScale;
   using PictureLayerImpl::SanityCheckTilingState;
 
   using PictureLayerImpl::UpdateIdealScales;
   using PictureLayerImpl::MaximumTilingContentsScale;
@@ skipping 49 matching lines @@
   FakePictureLayerImpl(LayerTreeImpl* tree_impl,
                        int id,
                        scoped_refptr<PicturePileImpl> pile,
                        const gfx::Size& layer_bounds);
   FakePictureLayerImpl(LayerTreeImpl* tree_impl, int id);
 
  private:
   gfx::Size fixed_tile_size_;
 
   size_t append_quads_count_;
+  size_t did_become_active_call_count_;
 };
 
 }  // namespace cc
 
 #endif  // CC_TEST_FAKE_PICTURE_LAYER_IMPL_H_