Support mojo applications in GPU process.

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 e40928cd82a696d4dc88f320beac678296625d1a..d59805714b2c7e761451f5175cd5446f9fa9cac4 100644
--- a/content/gpu/gpu_child_thread.cc
+++ b/content/gpu/gpu_child_thread.cc
@@ -12,6 +12,7 @@
 #include "content/child/thread_safe_sender.h"
 #include "content/common/gpu/gpu_memory_buffer_factory.h"
 #include "content/common/gpu/gpu_messages.h"
+#include "content/gpu/gpu_process_control_impl.h"
 #include "content/gpu/gpu_watchdog_thread.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/content_switches.h"
@@ -182,6 +183,10 @@ void GpuChildThread::Shutdown() {
 
 void GpuChildThread::Init(const base::Time& process_start_time) {
   process_start_time_ = process_start_time;
+
+  process_control_.reset(new GpuProcessControlImpl());
+  service_registry()->AddService(base::Bind(
+      &GpuChildThread::BindProcessControlRequest, base::Unretained(this)));

[piman, 2015/10/06 19:59:36]

What makes Unretained safe?

[xhwang, 2015/10/07 19:07:58]

Added comment.

 }
 
 bool GpuChildThread::Send(IPC::Message* msg) {
@@ -374,4 +379,10 @@ void GpuChildThread::OnGpuSwitched() {
   ui::GpuSwitchingManager::GetInstance()->NotifyGpuSwitched();
 }
 
+void GpuChildThread::BindProcessControlRequest(
+    mojo::InterfaceRequest<ProcessControl> request) {
+  DCHECK(process_control_);
+  process_control_bindings_.AddBinding(process_control_.get(), request.Pass());
+}
+
 }  // namespace content