Support mojo applications in GPU process.

content/browser/gpu/gpu_process_host.cc

Index: content/browser/gpu/gpu_process_host.cc
diff --git a/content/browser/gpu/gpu_process_host.cc b/content/browser/gpu/gpu_process_host.cc
index 5839207424f06f56f3b324a90dc0533c3da73db1..805e1e1ab522b321a5b10e4608e40b7a6ff23f95 100644
--- a/content/browser/gpu/gpu_process_host.cc
+++ b/content/browser/gpu/gpu_process_host.cc
@@ -23,6 +23,7 @@
 #include "content/browser/gpu/gpu_process_host_ui_shim.h"
 #include "content/browser/gpu/gpu_surface_tracker.h"
 #include "content/browser/gpu/shader_disk_cache.h"
+#include "content/browser/mojo/mojo_application_host.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/common/child_process_host_impl.h"
 #include "content/common/gpu/gpu_messages.h"
@@ -543,6 +544,9 @@ bool GpuProcessHost::Init() {
   if (channel_id.empty())
     return false;
 
+  if (!SetupMojo())
+    return false;
+
   if (in_process_) {
     DCHECK_CURRENTLY_ON(BrowserThread::IO);
     DCHECK(g_gpu_main_thread_factory);
@@ -575,6 +579,12 @@ bool GpuProcessHost::Init() {
   return true;
 }
 
+bool GpuProcessHost::SetupMojo() {
+  DCHECK(!mojo_application_host_);
+  mojo_application_host_.reset(new MojoApplicationHost);
+  return mojo_application_host_->Init();
+}
+
 void GpuProcessHost::RouteOnUIThread(const IPC::Message& message) {
   BrowserThread::PostTask(
       BrowserThread::UI,
@@ -892,6 +902,14 @@ void GpuProcessHost::OnAcceleratedSurfaceBuffersSwapped(
 void GpuProcessHost::OnProcessLaunched() {
   UMA_HISTOGRAM_TIMES("GPU.GPUProcessLaunchTime",
                       base::TimeTicks::Now() - init_start_time_);
+
+  base::ProcessHandle handle;
+  if (in_process_)
+    handle = base::GetCurrentProcessHandle();
+  else
+    handle = process_->GetData().handle;
+
+  mojo_application_host_->Activate(this, handle);
 }
 
 void GpuProcessHost::OnProcessLaunchFailed() {
@@ -905,6 +923,10 @@ void GpuProcessHost::OnProcessCrashed(int exit_code) {
       process_->GetTerminationStatus(true /* known_dead */, NULL));
 }
 
+ServiceRegistry* GpuProcessHost::GetServiceRegistry() {
+  return mojo_application_host_->service_registry();
+}
+
 GpuProcessHost::GpuProcessKind GpuProcessHost::kind() {
   return kind_;
 }