cc: Remove separate x/y raster scales.

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 e632e0fabf598a0fb52ea1c8bf98e62b32dbb2e2..391a8f2b105ecc6a6665f8cebf163a5a1aa95089 100644
--- a/cc/raster/one_copy_raster_buffer_provider.cc
+++ b/cc/raster/one_copy_raster_buffer_provider.cc
@@ -56,12 +56,12 @@ void OneCopyRasterBufferProvider::RasterBufferImpl::Playback(
     const gfx::Rect& raster_full_rect,
     const gfx::Rect& raster_dirty_rect,
     uint64_t new_content_id,
-    const gfx::SizeF& scales,
+    float scale,
     const RasterSource::PlaybackSettings& playback_settings) {
   TRACE_EVENT0("cc", "OneCopyRasterBuffer::Playback");
   client_->PlaybackAndCopyOnWorkerThread(
       resource_, &lock_, sync_token_, raster_source, raster_full_rect,
-      raster_dirty_rect, scales, playback_settings, previous_content_id_,
+      raster_dirty_rect, scale, playback_settings, previous_content_id_,
       new_content_id);
 }
 
@@ -174,7 +174,7 @@ void OneCopyRasterBufferProvider::PlaybackAndCopyOnWorkerThread(
     const RasterSource* raster_source,
     const gfx::Rect& raster_full_rect,
     const gfx::Rect& raster_dirty_rect,
-    const gfx::SizeF& scales,
+    float scale,
     const RasterSource::PlaybackSettings& playback_settings,
     uint64_t previous_content_id,
     uint64_t new_content_id) {
@@ -198,7 +198,7 @@ void OneCopyRasterBufferProvider::PlaybackAndCopyOnWorkerThread(
                                             : resource_lock->sk_color_space();
 
   PlaybackToStagingBuffer(staging_buffer.get(), resource, raster_source,
-                          raster_full_rect, raster_dirty_rect, scales,
+                          raster_full_rect, raster_dirty_rect, scale,
                           raster_color_space, playback_settings,
                           previous_content_id, new_content_id);
 
@@ -214,7 +214,7 @@ void OneCopyRasterBufferProvider::PlaybackToStagingBuffer(
     const RasterSource* raster_source,
     const gfx::Rect& raster_full_rect,
     const gfx::Rect& raster_dirty_rect,
-    const gfx::SizeF& scales,
+    float scale,
     sk_sp<SkColorSpace> dst_color_space,
     const RasterSource::PlaybackSettings& playback_settings,
     uint64_t previous_content_id,
@@ -264,7 +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,
-        scales, dst_color_space, playback_settings);
+        scale, dst_color_space, playback_settings);
     buffer->Unmap();
     staging_buffer->content_id = new_content_id;
   }