Add command line flag and associated prefs to allow run-time enable of geoloc...

webkit/glue/webpreferences.cc

Index: webkit/glue/webpreferences.cc
===================================================================
--- webkit/glue/webpreferences.cc	(revision 33809)
+++ webkit/glue/webpreferences.cc	(working copy)
@@ -84,6 +84,10 @@
   // and support is compiled in.
   settings->setExperimentalWebGLEnabled(experimental_webgl_enabled);
 
+  // Enable geolocation support if requested on command line and support is
+  // compiled in.
+  settings->setGeolocationEnabled(geolocation_enabled);
+
   // Web inspector settings need to be passed in differently.
   web_view->setInspectorSettings(WebString::fromUTF8(inspector_settings));