Remove use of CallJavascriptFunctionUnsafe from webrtc_logs_ui.cc

Bug: 775415
Change-Id: I24a08a3d000a5d06d2ada6a68a8d9245523ab538
Reviewed-on: https://chromium-review.googlesource.com/1177758Reviewed-by: Becca Hughes <beccahughes@chromium.org>
Commit-Queue: Elad Alon <eladalon@chromium.org>
Cr-Commit-Position: refs/heads/master@{#583690}

chrome/browser/ui/webui/media/webrtc_logs_ui.cc

@@ -191,8 +191,8 @@ void WebRtcLogsDOMHandler::UpdateUI() {
 
   base::Value version(version_info::GetVersionNumber());
 
-  web_ui()->CallJavascriptFunctionUnsafe("updateWebRtcLogsList", upload_list,
-                                         version);
+  AllowJavascript();
+  CallJavascriptFunction("updateWebRtcLogsList", upload_list, version);
 }
 
 }  // namespace