Rename mojo: to service:

ash/common/system/tray/system_tray_controller.cc

Index: ash/common/system/tray/system_tray_controller.cc
diff --git a/ash/common/system/tray/system_tray_controller.cc b/ash/common/system/tray/system_tray_controller.cc
index 15054e342add06d3de100058e76be8b65248f3fd..d5dd3f798dcf5b851f0453f9ddc50c2a7f206a15 100644
--- a/ash/common/system/tray/system_tray_controller.cc
+++ b/ash/common/system/tray/system_tray_controller.cc
@@ -97,10 +97,12 @@ bool SystemTrayController::ConnectToSystemTrayClient() {
     return true;
 
   // Connect (or reconnect) to the interface.
-  if (WmShell::Get()->IsRunningInMash())
+  if (WmShell::Get()->IsRunningInMash()) {
     connector_->ConnectToInterface("exe:chrome", &system_tray_client_);
-  else
-    connector_->ConnectToInterface("exe:content_browser", &system_tray_client_);
+  } else {
+    connector_->ConnectToInterface("service:content_browser",
+                                   &system_tray_client_);
+  }
 
   // Handle chrome crashes by forcing a reconnect on the next request.
   system_tray_client_.set_connection_error_handler(base::Bind(