Add "create Application Shortcut" to the app menu on NTP.

chrome/browser/cocoa/browser_window_cocoa.h

Index: chrome/browser/cocoa/browser_window_cocoa.h
diff --git a/chrome/browser/cocoa/browser_window_cocoa.h b/chrome/browser/cocoa/browser_window_cocoa.h
index 1e9cf22767a742c18df29e7842d9993ba4c17cde..aa8ffb9dbc417e83356ff979e31cffab00e2d559 100644
--- a/chrome/browser/cocoa/browser_window_cocoa.h
+++ b/chrome/browser/cocoa/browser_window_cocoa.h
@@ -100,7 +100,9 @@ class BrowserWindowCocoa : public BrowserWindow,
   virtual bool PreHandleKeyboardEvent(const NativeWebKeyboardEvent& event,
                                       bool* is_keyboard_shortcut);
   virtual void HandleKeyboardEvent(const NativeWebKeyboardEvent& event);
-  virtual void ShowCreateShortcutsDialog(TabContents* tab_contents);
+  virtual void ShowCreateWebAppShortcutsDialog(TabContents* tab_contents);
+  virtual void ShowCreateChromeAppShortcutsDialog(Profile* profile,
+                                                  const Extension* extension);
   virtual void Cut();
   virtual void Copy();
   virtual void Paste();