Remove parts of //cc we aren't using

cc/resources/picture.h

-// Copyright 2012 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_PICTURE_H_
-#define CC_RESOURCES_PICTURE_H_
-
-#include "base/basictypes.h"
-#include "base/containers/hash_tables.h"
-#include "base/lazy_instance.h"
-#include "base/logging.h"
-#include "base/memory/ref_counted.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/trace_event/trace_event.h"
-#include "cc/base/cc_export.h"
-#include "cc/base/region.h"
-#include "cc/resources/pixel_ref_map.h"
-#include "cc/resources/recording_source.h"
-#include "skia/ext/refptr.h"
-#include "third_party/skia/include/core/SkPicture.h"
-#include "ui/gfx/geometry/rect.h"
-
-class SkPixelRef;
-
-namespace base {
-class Value;
-}
-
-namespace skia {
-class AnalysisCanvas;
-}
-
-namespace cc {
-
-class ContentLayerClient;
-
-class CC_EXPORT Picture
-    : public base::RefCountedThreadSafe<Picture> {
- public:
-  static scoped_refptr<Picture> Create(
-      const gfx::Rect& layer_rect,
-      ContentLayerClient* client,
-      const gfx::Size& tile_grid_size,
-      bool gather_pixels_refs,
-      RecordingSource::RecordingMode recording_mode);
-  static scoped_refptr<Picture> CreateFromValue(const base::Value* value);
-  static scoped_refptr<Picture> CreateFromSkpValue(const base::Value* value);
-
-  gfx::Rect LayerRect() const { return layer_rect_; }
-
-  // Has Record() been called yet?
-  bool HasRecording() const { return picture_.get() != NULL; }
-
-  bool IsSuitableForGpuRasterization(const char** reason) const;
-  int ApproximateOpCount() const;
-  size_t ApproximateMemoryUsage() const;
-
-  bool HasText() const;
-
-  // Apply this scale and raster the negated region into the canvas.
-  // |negated_content_region| specifies the region to be clipped out of the
-  // raster operation, i.e., the parts of the canvas which will not get drawn
-  // to.
-  int Raster(SkCanvas* canvas,
-             SkPicture::AbortCallback* callback,
-             const Region& negated_content_region,
-             float contents_scale) const;
-
-  // Draw the picture directly into the given canvas, without applying any
-  // clip/scale/layer transformations.
-  void Replay(SkCanvas* canvas, SkPicture::AbortCallback* callback = NULL);
-
-  scoped_ptr<base::Value> AsValue() const;
-
-  void EmitTraceSnapshot() const;
-  void EmitTraceSnapshotAlias(Picture* original) const;
-
-  bool WillPlayBackBitmaps() const { return picture_->willPlayBackBitmaps(); }
-
-  PixelRefMap::Iterator GetPixelRefMapIterator(
-      const gfx::Rect& layer_rect) const;
-
- private:
-  Picture(const gfx::Rect& layer_rect, const gfx::Size& tile_grid_size);
-  // This constructor assumes SkPicture is already ref'd and transfers
-  // ownership to this picture.
-  Picture(const skia::RefPtr<SkPicture>&,
-          const gfx::Rect& layer_rect,
-          const PixelRefMap& pixel_refs);
-  // This constructor will call AdoptRef on the SkPicture.
-  Picture(SkPicture*, const gfx::Rect& layer_rect);
-  ~Picture();
-
-  // Record a paint operation. To be able to safely use this SkPicture for
-  // playback on a different thread this can only be called once.
-  void Record(ContentLayerClient* client,
-              RecordingSource::RecordingMode recording_mode);
-
-  // Gather pixel refs from recording.
-  void GatherPixelRefs();
-
-  gfx::Rect layer_rect_;
-  skia::RefPtr<SkPicture> picture_;
-
-  PixelRefMap pixel_refs_;
-
-  scoped_refptr<base::trace_event::ConvertableToTraceFormat>
-    AsTraceableRasterData(float scale) const;
-  scoped_refptr<base::trace_event::ConvertableToTraceFormat>
-    AsTraceableRecordData() const;
-
-  friend class base::RefCountedThreadSafe<Picture>;
-  friend class PixelRefMap::Iterator;
-  DISALLOW_COPY_AND_ASSIGN(Picture);
-};
-
-}  // namespace cc
-
-#endif  // CC_RESOURCES_PICTURE_H_