cc: Do GatherPixelRefs from skia at record time

cc/test/fake_picture_pile_impl.cc

 // 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.
 
 #include "cc/test/fake_picture_pile_impl.h"
 
 #include <utility>
 
 #include "cc/test/impl_side_painting_settings.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 41 matching lines @@
     return;
   gfx::Rect bounds(tiling().TileBounds(x, y));
   scoped_refptr<Picture> picture(Picture::Create(bounds));
   picture->Record(&client_, NULL, tile_grid_info_);
   picture_list_map_[std::pair<int, int>(x, y)].push_back(picture);
   EXPECT_TRUE(HasRecordingAt(x, y));
 
   UpdateRecordedRegion();
 }
 
+void FakePicturePileImpl::AddPictureToRecording(
+    int x,
+    int y,
+    scoped_refptr<Picture> picture) {
+  picture_list_map_[std::pair<int, int>(x, y)].push_back(picture);
+}
+
 void FakePicturePileImpl::RemoveRecordingAt(int x, int y) {
   EXPECT_GE(x, 0);
   EXPECT_GE(y, 0);
   EXPECT_LT(x, tiling_.num_tiles_x());
   EXPECT_LT(y, tiling_.num_tiles_y());
 
   if (!HasRecordingAt(x, y))
     return;
   picture_list_map_.erase(std::pair<int, int>(x, y));
   EXPECT_FALSE(HasRecordingAt(x, y));
 
   UpdateRecordedRegion();
 }
 
 }  // namespace cc