cc::ResourcePool - Re-use larger resources for smaller requests

cc/raster/one_copy_raster_buffer_provider.h

Index: cc/raster/one_copy_raster_buffer_provider.h
diff --git a/cc/raster/one_copy_raster_buffer_provider.h b/cc/raster/one_copy_raster_buffer_provider.h
index 5d82849cc6c6f676e19b67b1358848df289074e4..936c16312ef38f2b8cd9586a0e0acabc35055a3e 100644
--- a/cc/raster/one_copy_raster_buffer_provider.h
+++ b/cc/raster/one_copy_raster_buffer_provider.h
@@ -110,8 +110,7 @@ class CC_EXPORT OneCopyRasterBufferProvider : public RasterBufferProvider {
                           ResourceProvider::ScopedWriteLockGL* resource_lock,
                           const gpu::SyncToken& sync_token,
                           const RasterSource* raster_source,
-                          uint64_t previous_content_id,
-                          uint64_t new_content_id);
+                          const gfx::Rect& rect_to_copy);
   gfx::BufferUsage StagingBufferUsage() const;
 
   ContextProvider* const compositor_context_provider_;