Revert 291002 "Introduce WebViewGuestDelegate."

trunk/src/extensions/browser/guest_view/web_view/web_view_guest_delegate.cc

Index: trunk/src/extensions/browser/guest_view/web_view/web_view_guest_delegate.cc
===================================================================
--- trunk/src/extensions/browser/guest_view/web_view/web_view_guest_delegate.cc	(revision 291025)
+++ trunk/src/extensions/browser/guest_view/web_view/web_view_guest_delegate.cc	(working copy)
@@ -1,15 +0,0 @@
-// 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_guest_delegate.h"
-
-namespace extensions {
-
-WebViewGuestDelegate::WebViewGuestDelegate() {
-}
-
-WebViewGuestDelegate::~WebViewGuestDelegate() {
-}
-
-}  // namespace extensions