Chromecast buildfix: scoped_ptr cannot be initialized with NULL.

chromecast/browser/devtools/remote_debugging_server.cc

Index: chromecast/browser/devtools/remote_debugging_server.cc
diff --git a/chromecast/browser/devtools/remote_debugging_server.cc b/chromecast/browser/devtools/remote_debugging_server.cc
index 9b2bfc5097730a2ff70c4a77dd927f9597c6f023..5b501b1e5903c7719a0e4ac826912e1b2a60aaeb 100644
--- a/chromecast/browser/devtools/remote_debugging_server.cc
+++ b/chromecast/browser/devtools/remote_debugging_server.cc
@@ -93,9 +93,7 @@ std::string GetFrontendUrl() {
 
 }  // namespace
 
-RemoteDebuggingServer::RemoteDebuggingServer()
-    : devtools_http_handler_(NULL),
-      port_(0) {
+RemoteDebuggingServer::RemoteDebuggingServer() : port_(0) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::UI));
   pref_port_.Init(prefs::kRemoteDebuggingPort,
                   ChromecastConfig::GetInstance()->pref_service(),