Introduce FrameSinkManagerHost in content/browser/.

content/browser/compositor/frame_sink_manager_host.cc

+// Copyright 2017 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "content/browser/compositor/frame_sink_manager_host.h"
+
+#include <utility>
+
+#include "cc/surfaces/surface_info.h"
+#include "cc/surfaces/surface_manager.h"
+
+namespace content {
+
+FrameSinkManagerHost::FrameSinkManagerHost()
+    : binding_(this),
+      frame_sink_manager_(false,  // Use surface sequences.
+                          nullptr,
+                          MakeRequest(&frame_sink_manager_ptr_),
+                          binding_.CreateInterfacePtrAndBind()) {}
+
+FrameSinkManagerHost::~FrameSinkManagerHost() {}
+
+cc::SurfaceManager* FrameSinkManagerHost::surface_manager() {
+  return frame_sink_manager_.surface_manager();
+}
+
+void FrameSinkManagerHost::CreateCompositorFrameSink(
+    const cc::FrameSinkId& frame_sink_id,
+    cc::mojom::MojoCompositorFrameSinkRequest request,
+    cc::mojom::MojoCompositorFrameSinkPrivateRequest private_request,
+    cc::mojom::MojoCompositorFrameSinkClientPtr client) {
+  frame_sink_manager_ptr_->CreateCompositorFrameSink(
+      frame_sink_id, std::move(request), std::move(private_request),
+      std::move(client));
+}
+
+void FrameSinkManagerHost::RegisterFrameSinkHierarchy(
+    const cc::FrameSinkId& parent_frame_sink_id,
+    const cc::FrameSinkId& child_frame_sink_id) {
+  frame_sink_manager_ptr_->RegisterFrameSinkHierarchy(parent_frame_sink_id,
+                                                      child_frame_sink_id);
+}
+
+void FrameSinkManagerHost::UnregisterFrameSinkHierarchy(
+    const cc::FrameSinkId& parent_frame_sink_id,
+    const cc::FrameSinkId& child_frame_sink_id) {
+  frame_sink_manager_ptr_->UnregisterFrameSinkHierarchy(parent_frame_sink_id,
+                                                        child_frame_sink_id);
+}
+
+void FrameSinkManagerHost::OnSurfaceCreated(
+    const cc::SurfaceInfo& surface_info) {
+  // TODO(kylechar): Implement.
+}
+
+}  // namespace content