Quote WebPreferences in namespace webkit_glue.

ppapi/shared_impl/ppapi_preferences.cc

Index: ppapi/shared_impl/ppapi_preferences.cc
diff --git a/ppapi/shared_impl/ppapi_preferences.cc b/ppapi/shared_impl/ppapi_preferences.cc
index c8a5b0005f4afad332c02b514a0c5b48f3ad3738..86226409c5c786c9868e128bf960697ebe155e6f 100644
--- a/ppapi/shared_impl/ppapi_preferences.cc
+++ b/ppapi/shared_impl/ppapi_preferences.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
@@ -14,7 +14,7 @@ Preferences::Preferences()
       is_3d_supported(true) {
 }
 
-Preferences::Preferences(const WebPreferences& prefs)
+Preferences::Preferences(const webkit_glue::WebPreferences& prefs)
     : standard_font_family(prefs.standard_font_family),
       fixed_font_family(prefs.fixed_font_family),
       serif_font_family(prefs.serif_font_family),