Remove parts of //cc we aren't using

cc/test/fake_picture_pile_impl.h

Index: cc/test/fake_picture_pile_impl.h
diff --git a/cc/test/fake_picture_pile_impl.h b/cc/test/fake_picture_pile_impl.h
deleted file mode 100644
index a21509a0800857be14b46df6aad36e5ef6519d83..0000000000000000000000000000000000000000
--- a/cc/test/fake_picture_pile_impl.h
+++ /dev/null
@@ -1,71 +0,0 @@
-// 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_PILE_IMPL_H_
-#define CC_TEST_FAKE_PICTURE_PILE_IMPL_H_
-
-#include "base/memory/ref_counted.h"
-#include "cc/resources/picture_pile_impl.h"
-#include "cc/test/fake_picture_pile.h"
-
-namespace base {
-class WaitableEvent;
-}
-
-namespace cc {
-
-class FakePicturePileImpl : public PicturePileImpl {
- public:
-  static scoped_refptr<FakePicturePileImpl> CreatePile(
-      const gfx::Size& tile_size,
-      const gfx::Size& layer_bounds,
-      bool is_filled);
-
-  static scoped_refptr<FakePicturePileImpl> CreateFilledPileWithDefaultTileSize(
-      const gfx::Size& layer_bounds) {
-    return CreateFilledPile(gfx::Size(512, 512), layer_bounds);
-  }
-  static scoped_refptr<FakePicturePileImpl> CreateEmptyPileWithDefaultTileSize(
-      const gfx::Size& layer_bounds) {
-    return CreateEmptyPile(gfx::Size(512, 512), layer_bounds);
-  }
-  static scoped_refptr<FakePicturePileImpl> CreateFilledPile(
-      const gfx::Size& tile_size,
-      const gfx::Size& layer_bounds);
-  static scoped_refptr<FakePicturePileImpl> CreateEmptyPile(
-      const gfx::Size& tile_size,
-      const gfx::Size& layer_bounds);
-  static scoped_refptr<FakePicturePileImpl>
-  CreateEmptyPileThatThinksItHasRecordings(const gfx::Size& tile_size,
-                                           const gfx::Size& layer_bounds,
-                                           bool is_solid_color);
-  static scoped_refptr<FakePicturePileImpl> CreateInfiniteFilledPile();
-  static scoped_refptr<FakePicturePileImpl> CreateFromPile(
-      const PicturePile* other,
-      base::WaitableEvent* playback_allowed_event);
-
-  // Hi-jack the PlaybackToCanvas method to delay its completion.
-  void PlaybackToCanvas(SkCanvas* canvas,
-                        const gfx::Rect& canvas_rect,
-                        float contents_scale) const override;
-
-  const TilingData& tiling() { return tiling_; }
-
-  bool HasRecordingAt(int x, int y) const;
-  int num_tiles_x() const { return tiling_.num_tiles_x(); }
-  int num_tiles_y() const { return tiling_.num_tiles_y(); }
-
- protected:
-  FakePicturePileImpl();
-  FakePicturePileImpl(const PicturePile* other,
-                      base::WaitableEvent* playback_allowed_event);
-  ~FakePicturePileImpl() override;
-
-  base::WaitableEvent* playback_allowed_event_;
-  gfx::Size tile_grid_size_;
-};
-
-}  // namespace cc
-
-#endif  // CC_TEST_FAKE_PICTURE_PILE_IMPL_H_