Update mojo surfaces bindings and mojo/cc/ glue

mojo/cc/BUILD.gn

Index: mojo/cc/BUILD.gn
diff --git a/mojo/cc/BUILD.gn b/mojo/cc/BUILD.gn
index 66ebae62e7007d92a871c4648715a2a83badb761..796ebc6d594ace7464b3bc48026c313d5f8feeaf 100644
--- a/mojo/cc/BUILD.gn
+++ b/mojo/cc/BUILD.gn
@@ -9,6 +9,7 @@ source_set("cc") {
   deps = [
     "//base",
     "//cc",
+    "//cc/surfaces",
     "//skia",
     "//gpu/command_buffer/client:gles2_implementation",
   ] + mojo_gles2_for_shared_library
@@ -16,5 +17,7 @@ source_set("cc") {
   sources = [
     "context_provider_mojo.cc",
     "context_provider_mojo.h",
+    "output_surface_mojo.cc",
+    "output_surface_mojo.h",
   ]
 }