Add a Javascript wrapper around ServiceRegistry and expose it to WebUI.

chrome/browser/ui/webui/omnibox/omnibox_ui.h

Index: chrome/browser/ui/webui/omnibox/omnibox_ui.h
diff --git a/chrome/browser/ui/webui/omnibox/omnibox_ui.h b/chrome/browser/ui/webui/omnibox/omnibox_ui.h
index e52b59be0d85ce747b5b8a36f4f8b38642626546..a01ecd328d1aed04a93a2910b8453b6b26d2d15f 100644
--- a/chrome/browser/ui/webui/omnibox/omnibox_ui.h
+++ b/chrome/browser/ui/webui/omnibox/omnibox_ui.h
@@ -7,9 +7,10 @@
 
 #include "base/basictypes.h"
 #include "chrome/browser/ui/webui/mojo_web_ui_controller.h"
+#include "chrome/browser/ui/webui/omnibox/omnibox.mojom.h"
 
 // The UI for chrome://omnibox/
-class OmniboxUI : public MojoWebUIController {
+class OmniboxUI : public MojoWebUIController<OmniboxUIHandlerMojo> {
  public:
   explicit OmniboxUI(content::WebUI* contents);
   virtual ~OmniboxUI();
@@ -17,7 +18,7 @@ class OmniboxUI : public MojoWebUIController {
  private:
   // MojoWebUIController overrides:
   virtual scoped_ptr<MojoWebUIHandler> CreateUIHandler(
-      mojo::ScopedMessagePipeHandle handle_to_page) OVERRIDE;
+      mojo::InterfaceRequest<OmniboxUIHandlerMojo> request) OVERRIDE;
 
   DISALLOW_COPY_AND_ASSIGN(OmniboxUI);
 };