<webview>: Move download permission to chrome

content/browser/browser_plugin/browser_plugin_guest.h

Index: content/browser/browser_plugin/browser_plugin_guest.h
diff --git a/content/browser/browser_plugin/browser_plugin_guest.h b/content/browser/browser_plugin/browser_plugin_guest.h
index c2e68ec02790e3424be368c212e6c4eb8165352d..e87c471d0d513ba760a6403c46a7bdb4cb439f23 100644
--- a/content/browser/browser_plugin/browser_plugin_guest.h
+++ b/content/browser/browser_plugin/browser_plugin_guest.h
@@ -518,7 +518,7 @@ class CONTENT_EXPORT BrowserPluginGuest
   void DidRetrieveDownloadURLFromRequestId(
       const std::string& request_method,
       const base::Callback<void(bool)>& callback,
-      const std::string& url);
+      const GURL& url);
 
   // Forwards all messages from the |pending_messages_| queue to the embedder.
   void SendQueuedMessages();