Turn on navigator.registerProtocolHandler().

R=tony

Review URL: http://codereview.chromium.org/7075007

git-svn-id: http://src.chromium.org/svn/trunk/src/build@86944 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

common.gypi

@@ -129,8 +129,8 @@
       # currently only works on Linux.
       'use_third_party_translations%': 0,
 
-      # Enable the Manage Handlers section in the settings page.
-      'enable_register_protocol_handler%': 0,
+      # Enable navigator.registerProtocolHandler and supporting UI.
+      'enable_register_protocol_handler%': 1,
 
       # Remoting compilation is enabled by default. Set to 0 to disable.
       'remoting%': 1,