webkit: Remove use of ALLOW_THIS_IN_INITIALIZER_LIST.

webkit/tools/test_shell/webwidget_host_gtk.cc

 // 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 "webkit/tools/test_shell/webwidget_host.h"
 
 #include <cairo/cairo.h>
 #include <gtk/gtk.h>
 
 #include "base/basictypes.h"
@@ skipping 310 matching lines @@
   };
   GdkWindow* window = view_->window;
   gdk_window_invalidate_rect(window, &grect, 0);
 }
 
 WebWidgetHost::WebWidgetHost()
     : view_(NULL),
       webwidget_(NULL),
       scroll_dx_(0),
       scroll_dy_(0),
-      ALLOW_THIS_IN_INITIALIZER_LIST(weak_factory_(this)) {
+      weak_factory_(this) {
   set_painting(false);
 }
 
 WebWidgetHost::~WebWidgetHost() {
   // We may be deleted before the view_. Clear out the signals so that we don't
   // attempt to invoke something on a deleted object.
   g_object_set_data(G_OBJECT(view_), kWebWidgetHostKey, NULL);
   g_signal_handlers_disconnect_matched(view_,
       G_SIGNAL_MATCH_DATA, 0, 0, NULL, NULL, this);
   webwidget_->close();
@@ skipping 85 matching lines @@
 
 void WebWidgetHost::PaintRect(const gfx::Rect& rect) {
   set_painting(true);
   webwidget_->paint(canvas_.get(), rect);
   set_painting(false);
 }
 
 void WebWidgetHost::WindowDestroyed() {
   delete this;
 }