Fork cc::OutputSurface into cc::CompositorFrameSink.

services/ui/public/cpp/BUILD.gn

Index: services/ui/public/cpp/BUILD.gn
diff --git a/services/ui/public/cpp/BUILD.gn b/services/ui/public/cpp/BUILD.gn
index 2e246b0efcf388121a86d197d51725b1a4f07138..d532d314586b177a3bb58f1d6f4d2d6248f32183 100644
--- a/services/ui/public/cpp/BUILD.gn
+++ b/services/ui/public/cpp/BUILD.gn
@@ -8,10 +8,10 @@ import("//build/config/ui.gni")
 # implementation (and private haders) are in 'internal'.
 source_set("cpp") {
   sources = [
+    "compositor_frame_sink.h",
     "gpu_service.h",
     "input_event_handler.h",
     "mojo_gpu_memory_buffer_manager.h",
-    "output_surface.h",
     "property_type_converters.h",
     "raster_thread_helper.h",
     "scoped_window_ptr.h",
@@ -94,6 +94,7 @@ source_set("internal") {
   ]
 
   sources = [
+    "compositor_frame_sink.cc",
     "context_provider.cc",
     "context_provider.h",
     "gles2_context.cc",
@@ -108,7 +109,6 @@ source_set("internal") {
     "mojo_gpu_memory_buffer.cc",
     "mojo_gpu_memory_buffer.h",
     "mojo_gpu_memory_buffer_manager.cc",
-    "output_surface.cc",
     "property_type_converters.cc",
     "raster_thread_helper.cc",
     "scoped_window_ptr.cc",