Raster PictureLayerTiling with fractional translation

cc/raster/zero_copy_raster_buffer_provider.cc

Index: cc/raster/zero_copy_raster_buffer_provider.cc
diff --git a/cc/raster/zero_copy_raster_buffer_provider.cc b/cc/raster/zero_copy_raster_buffer_provider.cc
index 27d6c88924159fe9c14f0cd0f790a1ac53277eea..1e58f579127fd4270348f7b8b8856fbaddc28ce7 100644
--- a/cc/raster/zero_copy_raster_buffer_provider.cc
+++ b/cc/raster/zero_copy_raster_buffer_provider.cc
@@ -34,7 +34,7 @@ class RasterBufferImpl : public RasterBuffer {
       const gfx::Rect& raster_full_rect,
       const gfx::Rect& raster_dirty_rect,
       uint64_t new_content_id,
-      float scale,
+      const ScaleTranslate2d& transform,
       const RasterSource::PlaybackSettings& playback_settings) override {
     TRACE_EVENT0("cc", "ZeroCopyRasterBuffer::Playback");
     gfx::GpuMemoryBuffer* buffer = lock_.GetGpuMemoryBuffer();
@@ -52,7 +52,7 @@ class RasterBufferImpl : public RasterBuffer {
     RasterBufferProvider::PlaybackToMemory(
         buffer->memory(0), resource_->format(), resource_->size(),
         buffer->stride(0), raster_source, raster_full_rect, raster_full_rect,
-        scale, lock_.color_space_for_raster(), playback_settings);
+        transform, lock_.color_space_for_raster(), playback_settings);
     buffer->Unmap();
   }