Rename mojo: to service:

content/gpu/gpu_service_factory.cc

Index: content/gpu/gpu_service_factory.cc
diff --git a/content/gpu/gpu_service_factory.cc b/content/gpu/gpu_service_factory.cc
index 64dd47b1fb276ab566203f4f31abeea61d4593be..ffe957efe0a2f988eea112fbd26293392768de2c 100644
--- a/content/gpu/gpu_service_factory.cc
+++ b/content/gpu/gpu_service_factory.cc
@@ -22,7 +22,7 @@ void GpuServiceFactory::RegisterServices(ServiceMap* services) {
   service_info.application_factory =
       base::Bind(&media::CreateMojoMediaApplication);
   service_info.use_own_thread = true;
-  services->insert(std::make_pair("mojo:media", service_info));
+  services->insert(std::make_pair("service:media", service_info));
 #endif
 }