Update from https://crrev.com/304121

cc/resources/recording_source.h

Index: cc/resources/recording_source.h
diff --git a/cc/resources/recording_source.h b/cc/resources/recording_source.h
new file mode 100644
index 0000000000000000000000000000000000000000..cbbeb7021e6fe04de7e909d6e70e87be7099d079
--- /dev/null
+++ b/cc/resources/recording_source.h
@@ -0,0 +1,55 @@
+// 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 "cc/base/cc_export.h"
+#include "cc/resources/picture.h"
+#include "third_party/skia/include/core/SkBBHFactory.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:
+  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,
+      SkColor background_color,
+      bool contents_opaque,
+      bool contents_fill_bounds_completely,
+      const gfx::Size& layer_size,
+      const gfx::Rect& visible_layer_rect,
+      int frame_number,
+      Picture::RecordingMode recording_mode) = 0;
+
+  virtual gfx::Size GetSize() const = 0;
+  virtual void SetEmptyBounds() = 0;
+  virtual void SetMinContentsScale(float min_contents_scale) = 0;
+  virtual void SetTileGridSize(const gfx::Size& tile_grid_size) = 0;
+  virtual void SetSlowdownRasterScaleFactor(int factor) = 0;
+  virtual void SetIsMask(bool is_mask) = 0;
+  virtual bool IsSuitableForGpuRasterization() const = 0;
+
+  virtual scoped_refptr<RasterSource> CreateRasterSource() const = 0;
+
+  // TODO(hendrikw): Figure out how to remove this.
+  virtual void SetUnsuitableForGpuRasterizationForTesting() = 0;
+  virtual SkTileGridFactory::TileGridInfo GetTileGridInfoForTesting() const = 0;
+};
+}
+
+#endif  // CC_RESOURCES_RECORDING_SOURCE_H_