Add a new GetInstance() method for singleton classes, take 2.

chrome/gpu/gpu_video_service.cc

Index: chrome/gpu/gpu_video_service.cc
diff --git a/chrome/gpu/gpu_video_service.cc b/chrome/gpu/gpu_video_service.cc
index 03025b884c5acc7362b16c1566ce688a99d00927..ca9d48255cf131c3a22d839524b9b7d3d949b3f6 100644
--- a/chrome/gpu/gpu_video_service.cc
+++ b/chrome/gpu/gpu_video_service.cc
@@ -23,6 +23,11 @@ GpuVideoService::~GpuVideoService() {
   UnintializeGpuVideoService();
 }
 
+// static
+GpuVideoService* GpuVideoService::GetInstance() {
+  return Singleton<GpuVideoService>::get();
+}
+
 void GpuVideoService::OnChannelConnected(int32 peer_pid) {
   LOG(ERROR) << "GpuVideoService::OnChannelConnected";
 }