Revert of Fix the handling of user gestures for external protocol handler dialogs.

chrome/browser/external_protocol/external_protocol_observer.cc

Index: chrome/browser/external_protocol/external_protocol_observer.cc
diff --git a/chrome/browser/external_protocol/external_protocol_observer.cc b/chrome/browser/external_protocol/external_protocol_observer.cc
new file mode 100644
index 0000000000000000000000000000000000000000..2d3f10d2836a2bd68f281110b34b7b8e635af041
--- /dev/null
+++ b/chrome/browser/external_protocol/external_protocol_observer.cc
@@ -0,0 +1,22 @@
+// Copyright (c) 2011 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "chrome/browser/external_protocol/external_protocol_observer.h"
+
+#include "chrome/browser/external_protocol/external_protocol_handler.h"
+
+using content::WebContents;
+
+DEFINE_WEB_CONTENTS_USER_DATA_KEY(ExternalProtocolObserver);
+
+ExternalProtocolObserver::ExternalProtocolObserver(WebContents* web_contents)
+    : content::WebContentsObserver(web_contents) {
+}
+
+ExternalProtocolObserver::~ExternalProtocolObserver() {
+}
+
+void ExternalProtocolObserver::DidGetUserGesture() {
+  ExternalProtocolHandler::PermitLaunchUrl();
+}