Remove parts of //cc we aren't using

cc/resources/recording_source.h

-// 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.
-
-#ifndef CC_RESOURCES_RECORDING_SOURCE_H_
-#define CC_RESOURCES_RECORDING_SOURCE_H_
-
-#include "base/memory/ref_counted.h"
-#include "cc/base/cc_export.h"
-#include "third_party/skia/include/core/SkColor.h"
-#include "ui/gfx/geometry/rect.h"
-#include "ui/gfx/geometry/size.h"
-
-namespace cc {
-class ContentLayerClient;
-class Region;
-class RasterSource;
-
-class CC_EXPORT RecordingSource {
- public:
-  enum RecordingMode {
-    RECORD_NORMALLY,
-    RECORD_WITH_SK_NULL_CANVAS,
-    RECORD_WITH_PAINTING_DISABLED,
-    RECORD_WITH_CACHING_DISABLED,
-    RECORDING_MODE_COUNT,  // Must be the last entry.
-  };
-
-  virtual ~RecordingSource() {}
-  // Re-record parts of the picture that are invalid.
-  // Invalidations are in layer space, and will be expanded to cover everything
-  // that was either recorded/changed or that has no recording, leaving out only
-  // pieces that we had a recording for and it was not changed.
-  // Return true iff the pile was modified.
-  virtual bool UpdateAndExpandInvalidation(ContentLayerClient* painter,
-                                           Region* invalidation,
-                                           const gfx::Size& layer_size,
-                                           const gfx::Rect& visible_layer_rect,
-                                           int frame_number,
-                                           RecordingMode recording_mode) = 0;
-
-  virtual void DidMoveToNewCompositor() = 0;
-
-  virtual scoped_refptr<RasterSource> CreateRasterSource(
-      bool can_use_lcd_text) const = 0;
-
-  virtual gfx::Size GetSize() const = 0;
-  virtual void SetEmptyBounds() = 0;
-  virtual void SetSlowdownRasterScaleFactor(int factor) = 0;
-  virtual void SetGatherPixelRefs(bool gather_pixel_refs) = 0;
-  virtual void SetBackgroundColor(SkColor background_color) = 0;
-  virtual void SetRequiresClear(bool requires_clear) = 0;
-  virtual bool IsSuitableForGpuRasterization() const = 0;
-
-  // TODO(hendrikw): Figure out how to remove this.
-  virtual void SetUnsuitableForGpuRasterizationForTesting() = 0;
-  virtual gfx::Size GetTileGridSizeForTesting() const = 0;
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_RECORDING_SOURCE_H_