Add basic Chrome interaction with the mash shelf.

chrome/browser/ui/ash/ash_init.cc

Index: chrome/browser/ui/ash/ash_init.cc
diff --git a/chrome/browser/ui/ash/ash_init.cc b/chrome/browser/ui/ash/ash_init.cc
index db3fad2aa3425ae0850758bf8cd4499d7f686240..e9ab4aec4b87192b4e3c3660b2ace79df6a1710c 100644
--- a/chrome/browser/ui/ash/ash_init.cc
+++ b/chrome/browser/ui/ash/ash_init.cc
@@ -38,6 +38,10 @@
 #include "ui/base/x/x11_util.h"
 #endif
 
+#if defined(MOJO_SHELL_CLIENT)
+#include "chrome/browser/ui/ash/launcher/chrome_mash_shelf_controller.h"
+#endif
+
 namespace chrome {
 
 void OpenAsh(gfx::AcceleratedWidget remote_window) {
@@ -101,6 +105,13 @@ void OpenAsh(gfx::AcceleratedWidget remote_window) {
   ash::Shell::GetPrimaryRootWindow()->GetHost()->Show();
 }
 
+void InitializeMash() {
+#if defined(MOJO_SHELL_CLIENT)
+  DCHECK(!ash::Shell::HasInstance());
+  ChromeMashShelfController::CreateInstance();
+#endif
+}
+
 void CloseAsh() {
   if (ash::Shell::HasInstance()) {
     ash::Shell::DeleteInstance();