Use MojoCompositorFrameSink in RendererCompositorFrameSink

content/browser/renderer_host/frame_sink_provider_impl.cc

Index: content/browser/renderer_host/frame_sink_provider_impl.cc
diff --git a/content/browser/renderer_host/frame_sink_provider_impl.cc b/content/browser/renderer_host/frame_sink_provider_impl.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d01ace8d2c1008c2d85789368b5fc8306130e434
--- /dev/null
+++ b/content/browser/renderer_host/frame_sink_provider_impl.cc
@@ -0,0 +1,42 @@
+// 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/renderer_host/frame_sink_provider_impl.h"
+#include "content/browser/renderer_host/render_widget_host_impl.h"
+
+namespace content {
+
+FrameSinkProviderImpl::FrameSinkProviderImpl(int32_t process_id)
+    : process_id_(process_id), binding_(this) {}
+
+FrameSinkProviderImpl::~FrameSinkProviderImpl() = default;
+
+void FrameSinkProviderImpl::Bind(mojom::FrameSinkProviderRequest request) {
+  if (binding_.is_bound()) {
+    DLOG(ERROR) << "Received multiple requests for FrameSinkProvider. "
+                << "There should be only one instance per renderer.";
+    return;
+  }
+  binding_.Bind(std::move(request));
+}
+
+void FrameSinkProviderImpl::Unbind() {
+  binding_.Close();
+}
+
+void FrameSinkProviderImpl::CreateForWidget(
+    int32_t widget_id,
+    cc::mojom::MojoCompositorFrameSinkRequest request,
+    cc::mojom::MojoCompositorFrameSinkClientPtr client) {
+  RenderWidgetHostImpl* render_widget_host_impl =
+      RenderWidgetHostImpl::FromID(process_id_, widget_id);
+  if (!render_widget_host_impl) {
+    DLOG(ERROR) << "No RenderWidgetHost exists with id " << widget_id
+                << "in process " << process_id_;
+    return;
+  }
+  render_widget_host_impl->RequestMojoCompositorFrameSink(std::move(request),
+                                                          std::move(client));
+}
+
+}  // namespace content