media: Pass MediaPermission to MediaDrmBridge

content/gpu/gpu_child_thread.cc

Index: content/gpu/gpu_child_thread.cc
diff --git a/content/gpu/gpu_child_thread.cc b/content/gpu/gpu_child_thread.cc
index 2dec918da27a80a69e43d0e90400f99686d7e22e..8ad8301f3dba46397062e1fcc877db4628f80517 100644
--- a/content/gpu/gpu_child_thread.cc
+++ b/content/gpu/gpu_child_thread.cc
@@ -21,6 +21,7 @@
 #include "content/common/gpu/media/gpu_video_encode_accelerator.h"
 #include "content/common/gpu/media/media_service.h"
 #include "content/common/gpu_host_messages.h"
+#include "content/common/media/media_permission_dispatcher.h"
 #include "content/gpu/gpu_process_control_impl.h"
 #include "content/gpu/gpu_watchdog_thread.h"
 #include "content/public/common/content_client.h"
@@ -221,7 +222,7 @@ void GpuChildThread::Shutdown() {
 void GpuChildThread::Init(const base::Time& process_start_time) {
   process_start_time_ = process_start_time;
 
-  process_control_.reset(new GpuProcessControlImpl());
+  process_control_.reset(new GpuProcessControlImpl(GetMediaPermission()));
   // Use of base::Unretained(this) is safe here because |service_registry()|
   // will be destroyed before GpuChildThread is destructed.
   service_registry()->AddService(base::Bind(
@@ -577,6 +578,23 @@ void GpuChildThread::OnLoseAllContexts() {
   }
 }
 
+template <typename Interface>
+void GpuChildThread::GetInterface(mojo::InterfaceRequest<Interface> request) {
+  service_registry()->ConnectToRemoteService(std::move(request));
+}
+
+media::MediaPermission* GpuChildThread::GetMediaPermission() {
+  if (!media_permission_dispatcher_) {
+    // Use of base::Unretained(this) is safe here because
+    // |media_permission_dispatcher_| will be destroyed before GpuChildThread
+    // is destructed.
+    media_permission_dispatcher_.reset(new MediaPermissionDispatcher(base::Bind(
+        &GpuChildThread::GetInterface<blink::mojom::PermissionService>,
+        base::Unretained(this))));
+  }
+  return media_permission_dispatcher_.get();
+}
+
 void GpuChildThread::BindProcessControlRequest(
     mojo::InterfaceRequest<mojom::ProcessControl> request) {
   DVLOG(1) << "GPU: Binding ProcessControl request";