Add quick launcher for launching mojo apps from within mash

mash/shell/shell_application_delegate.cc

Index: mash/shell/shell_application_delegate.cc
diff --git a/mash/shell/shell_application_delegate.cc b/mash/shell/shell_application_delegate.cc
index a9584465c2770fcb0f928a26e174fdb8b6759dfb..b3708351a437966ad344f0529335c94baf7da6a5 100644
--- a/mash/shell/shell_application_delegate.cc
+++ b/mash/shell/shell_application_delegate.cc
@@ -20,6 +20,7 @@ void ShellApplicationDelegate::Initialize(mojo::ApplicationImpl* app) {
   StartBrowserDriver();
   StartWindowManager();
   StartSystemUI();
+  StartQuickLaunch();
 }
 
 bool ShellApplicationDelegate::ConfigureIncomingConnection(
@@ -47,6 +48,13 @@ void ShellApplicationDelegate::StartBrowserDriver() {
                  base::Unretained(this)));
 }
 
+void ShellApplicationDelegate::StartQuickLaunch() {
+  StartRestartableService(
+      "mojo:quick_launch",
+      base::Bind(&ShellApplicationDelegate::StartQuickLaunch,
+                 base::Unretained(this)));
+}
+
 void ShellApplicationDelegate::StartRestartableService(
     const std::string& url,
     const base::Closure& restart_callback) {