Raster PictureLayerTiling with fractional translation

cc/raster/raster_buffer_provider.h

 // 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_RASTER_RASTER_BUFFER_PROVIDER_H_
 #define CC_RASTER_RASTER_BUFFER_PROVIDER_H_
 
 #include <stddef.h>
 
 #include "cc/raster/raster_buffer.h"
@@ skipping 20 matching lines @@
   // smaller contained rect inside the |canvas_bitmap_rect| if the |memory| is
   // already partially complete, and only the subrect needs to be played back.
   static void PlaybackToMemory(
       void* memory,
       ResourceFormat format,
       const gfx::Size& size,
       size_t stride,
       const RasterSource* raster_source,
       const gfx::Rect& canvas_bitmap_rect,
       const gfx::Rect& canvas_playback_rect,
-      float scale,
+      const ScaleTranslate2d& transform,
       const gfx::ColorSpace& target_color_space,
       const RasterSource::PlaybackSettings& playback_settings);
 
   // Acquire raster buffer.
   virtual std::unique_ptr<RasterBuffer> AcquireBufferForRaster(
       const Resource* resource,
       uint64_t resource_content_id,
       uint64_t previous_content_id) = 0;
 
   // Release raster buffer.
@@ skipping 30 matching lines @@
   virtual void Shutdown() = 0;
 
  protected:
   // Check if resource format matches output format.
   static bool ResourceFormatRequiresSwizzle(ResourceFormat format);
 };
 
 }  // namespace cc
 
 #endif  // CC_RASTER_RASTER_BUFFER_PROVIDER_H_