Introduce WebViewPermissionHelperDelegate.

extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.cc

Index: extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.cc
diff --git a/extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.cc b/extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.cc
new file mode 100644
index 0000000000000000000000000000000000000000..d53d64d1f861e954589d3fe7629df860ce19e771
--- /dev/null
+++ b/extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.cc
@@ -0,0 +1,17 @@
+// Copyright 2014 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 "extensions/browser/guest_view/web_view/web_view_permission_helper_delegate.h"
+
+namespace extensions {
+
+WebViewPermissionHelperDelegate::WebViewPermissionHelperDelegate(
+    content::WebContents* contents)
+    : content::WebContentsObserver(contents) {
+}
+
+WebViewPermissionHelperDelegate::~WebViewPermissionHelperDelegate() {
+}
+
+}  // namespace extensions