Introduce FrameSinkManagerHost in content/browser/.

content/browser/compositor/test/no_transport_image_transport_factory.cc

Index: content/browser/compositor/test/no_transport_image_transport_factory.cc
diff --git a/content/browser/compositor/test/no_transport_image_transport_factory.cc b/content/browser/compositor/test/no_transport_image_transport_factory.cc
index 8c4d6cdfc1575fe3b405c279924cb807ab3105d9..f326a4b2254be138cbe5d7b9f948baa5db93d284 100644
--- a/content/browser/compositor/test/no_transport_image_transport_factory.cc
+++ b/content/browser/compositor/test/no_transport_image_transport_factory.cc
@@ -38,6 +38,12 @@ NoTransportImageTransportFactory::GetContextFactoryPrivate() {
   return context_factory_.get();
 }
 
+FrameSinkManagerHost*
+NoTransportImageTransportFactory::GetFrameSinkManagerHost() {
+  NOTIMPLEMENTED();
+  return nullptr;
+}
+
 display_compositor::GLHelper* NoTransportImageTransportFactory::GetGLHelper() {
   if (!gl_helper_) {
     context_provider_ = context_factory_->SharedMainThreadContextProvider();