cc: Remove invalidation history

cc/test/fake_picture_pile.cc

 // Copyright 2014 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.h"
 
 #include <utility>
 
 #include "cc/test/fake_picture_pile_impl.h"
 #include "testing/gtest/include/gtest/gtest.h"
@@ skipping 50 matching lines @@
   EXPECT_LT(y, tiling_.num_tiles_y());
 
   if (HasRecordingAt(x, y))
     return;
   gfx::Rect bounds(tiling().TileBounds(x, y));
   bounds.Inset(-buffer_pixels(), -buffer_pixels());
 
   scoped_refptr<Picture> picture(
       Picture::Create(bounds, &client_, tile_grid_size_, gather_pixel_refs_,
                       RecordingSource::RECORD_NORMALLY));
-  picture_map_[std::pair<int, int>(x, y)].SetPicture(picture);
+  picture_map_[std::pair<int, int>(x, y)] = picture;
   EXPECT_TRUE(HasRecordingAt(x, y));
 
   has_any_recordings_ = true;
 }
 
 void FakePicturePile::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_map_.erase(std::pair<int, int>(x, y));
   EXPECT_FALSE(HasRecordingAt(x, y));
 }
 
 bool FakePicturePile::HasRecordingAt(int x, int y) const {
   PictureMap::const_iterator found = picture_map_.find(PictureMapKey(x, y));
-  if (found == picture_map_.end())
-    return false;
-  return !!found->second.GetPicture();
+  return found != picture_map_.end();
 }
 
 void FakePicturePile::Rerecord() {
   for (int y = 0; y < num_tiles_y(); ++y) {
     for (int x = 0; x < num_tiles_x(); ++x) {
       RemoveRecordingAt(x, y);
       AddRecordingAt(x, y);
     }
   }
 }
 
 }  // namespace cc