Raster PictureLayerTiling with fractional translation

cc/raster/raster_buffer.h

Index: cc/raster/raster_buffer.h
diff --git a/cc/raster/raster_buffer.h b/cc/raster/raster_buffer.h
index 04972f9d73e11117f81753977b4289ef260c3997..78e9f8b2febc1e5a4fcd6cf3d7f18ceac43c8978 100644
--- a/cc/raster/raster_buffer.h
+++ b/cc/raster/raster_buffer.h
@@ -11,6 +11,10 @@
 #include "cc/playback/raster_source.h"
 #include "ui/gfx/geometry/rect.h"
 
+namespace gfx {
+class Vector2dF;
+}  // namespace gfx
+
 namespace cc {
 
 class CC_EXPORT RasterBuffer {
@@ -24,6 +28,7 @@ class CC_EXPORT RasterBuffer {
       const gfx::Rect& raster_dirty_rect,
       uint64_t new_content_id,
       float scale,
+      const gfx::Vector2dF& translation,
       const RasterSource::PlaybackSettings& playback_settings) = 0;
 };