Adds navigator.registerProtocolHandler.

BUG=11359
TEST=None at the moment

Review URL: http://codereview.chromium.org/6410115

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@75681 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 69ce0b23..0c76b2f 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -12,6 +12,7 @@
 #include "chrome/browser/bookmarks/bookmark_utils.h"
 #include "chrome/browser/browser_shutdown.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
+#include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/debugger/devtools_manager.h"
 #include "chrome/browser/download/download_prefs.h"
 #include "chrome/browser/extensions/extension_prefs.h"
@@ -150,6 +151,7 @@
   InstantController::RegisterUserPrefs(user_prefs);
   NetPrefObserver::RegisterPrefs(user_prefs);
   policy::ProfilePolicyContext::RegisterUserPrefs(user_prefs);
+  ProtocolHandlerRegistry::RegisterPrefs(user_prefs);
 }
 
 void MigrateBrowserPrefs(PrefService* user_prefs, PrefService* local_state) {