Quote WebPreferences in namespace webkit_glue.

content/public/browser/render_view_host.h

Index: content/public/browser/render_view_host.h
diff --git a/content/public/browser/render_view_host.h b/content/public/browser/render_view_host.h
index 991c868c9a23d38b9ae016f7637ddd55f1c74cbc..0076281e4509ee1418ad9e47b0d06f82368c0ba1 100644
--- a/content/public/browser/render_view_host.h
+++ b/content/public/browser/render_view_host.h
@@ -16,7 +16,10 @@
 class FilePath;
 class GURL;
 struct WebDropData;
+
+namespace webkit_glue {
 struct WebPreferences;
+}
 
 namespace gfx {
 class Point;
@@ -246,7 +249,8 @@ class CONTENT_EXPORT RenderViewHost : virtual public RenderWidgetHost {
   virtual void ToggleSpeechInput() = 0;
 
   // Passes a list of Webkit preferences to the renderer.
-  virtual void UpdateWebkitPreferences(const WebPreferences& prefs) = 0;
+  virtual void UpdateWebkitPreferences(
+      const webkit_glue::WebPreferences& prefs) = 0;
 };
 
 }  // namespace content