Raster PictureLayerTiling with fractional translation

cc/raster/one_copy_raster_buffer_provider.cc

Index: cc/raster/one_copy_raster_buffer_provider.cc
diff --git a/cc/raster/one_copy_raster_buffer_provider.cc b/cc/raster/one_copy_raster_buffer_provider.cc
index f0f6b0f36b0dff08cc366b714cd47eea726680c9..5466ffaaf5480f597af6987e2dc705699bad6ff8 100644
--- a/cc/raster/one_copy_raster_buffer_provider.cc
+++ b/cc/raster/one_copy_raster_buffer_provider.cc
@@ -55,12 +55,13 @@ void OneCopyRasterBufferProvider::RasterBufferImpl::Playback(
     const gfx::Rect& raster_dirty_rect,
     uint64_t new_content_id,
     float scale,
+    const gfx::Vector2dF& translation,
     const RasterSource::PlaybackSettings& playback_settings) {
   TRACE_EVENT0("cc", "OneCopyRasterBuffer::Playback");
   client_->PlaybackAndCopyOnWorkerThread(
       resource_, &lock_, sync_token_, raster_source, raster_full_rect,
-      raster_dirty_rect, scale, playback_settings, previous_content_id_,
-      new_content_id);
+      raster_dirty_rect, scale, translation, playback_settings,
+      previous_content_id_, new_content_id);
 }
 
 OneCopyRasterBufferProvider::OneCopyRasterBufferProvider(
@@ -173,6 +174,7 @@ void OneCopyRasterBufferProvider::PlaybackAndCopyOnWorkerThread(
     const gfx::Rect& raster_full_rect,
     const gfx::Rect& raster_dirty_rect,
     float scale,
+    const gfx::Vector2dF& translation,
     const RasterSource::PlaybackSettings& playback_settings,
     uint64_t previous_content_id,
     uint64_t new_content_id) {
@@ -193,7 +195,7 @@ void OneCopyRasterBufferProvider::PlaybackAndCopyOnWorkerThread(
 
   PlaybackToStagingBuffer(staging_buffer.get(), resource, raster_source,
                           raster_full_rect, raster_dirty_rect, scale,
-                          playback_settings, previous_content_id,
+                          translation, playback_settings, previous_content_id,
                           new_content_id);
 
   CopyOnWorkerThread(staging_buffer.get(), resource_lock, sync_token,
@@ -209,6 +211,7 @@ void OneCopyRasterBufferProvider::PlaybackToStagingBuffer(
     const gfx::Rect& raster_full_rect,
     const gfx::Rect& raster_dirty_rect,
     float scale,
+    const gfx::Vector2dF& translation,
     const RasterSource::PlaybackSettings& playback_settings,
     uint64_t previous_content_id,
     uint64_t new_content_id) {
@@ -261,7 +264,7 @@ void OneCopyRasterBufferProvider::PlaybackToStagingBuffer(
     RasterBufferProvider::PlaybackToMemory(
         buffer->memory(0), resource->format(), staging_buffer->size,
         buffer->stride(0), raster_source, raster_full_rect, playback_rect,
-        scale, playback_settings);
+        scale, translation, playback_settings);
     buffer->Unmap();
     staging_buffer->content_id = new_content_id;
   }