// Adds the handler to the UserData registry.
static void Associate(content::WebContents* web_contents,
AwContentsClientBridgeBase* handler);
+ static void Disassociate(content::WebContents* web_contents);
static AwContentsClientBridgeBase* FromWebContents(
content::WebContents* web_contents);
static AwContentsClientBridgeBase* FromID(int render_process_id,