Start splitting out WebUI into an implementation class and an interface that each page implements...

chrome/browser/ui/webui/constrained_html_ui.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 "chrome/browser/ui/webui/constrained_html_ui.h"
 
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/lazy_instance.h"
 #include "base/property_bag.h"
 #include "base/values.h"
 #include "chrome/browser/ui/webui/html_dialog_ui.h"
 #include "chrome/common/chrome_notification_types.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/web_contents.h"
 
 using content::WebContents;
 using content::WebUIMessageHandler;
 
 static base::LazyInstance<base::PropertyAccessor<ConstrainedHtmlUIDelegate*> >
     g_constrained_html_ui_property_accessor = LAZY_INSTANCE_INITIALIZER;
 
 ConstrainedHtmlUI::ConstrainedHtmlUI(WebContents* contents)
-    : WebUI(contents) {
+    : WebUI(contents, this) {
 }
 
 ConstrainedHtmlUI::~ConstrainedHtmlUI() {
 }
 
 void ConstrainedHtmlUI::RenderViewCreated(RenderViewHost* render_view_host) {
-  WebUI::RenderViewCreated(render_view_host);
-
   ConstrainedHtmlUIDelegate* delegate = GetConstrainedDelegate();
   if (!delegate)
     return;
 
   HtmlDialogUIDelegate* dialog_delegate = delegate->GetHtmlDialogUIDelegate();
   std::vector<WebUIMessageHandler*> handlers;
   dialog_delegate->GetWebUIMessageHandlers(&handlers);
   render_view_host->SetWebUIProperty("dialogArguments",
                                      dialog_delegate->GetDialogArgs());
   for (std::vector<WebUIMessageHandler*>::iterator it = handlers.begin();
@@ skipping 28 matching lines @@
   ConstrainedHtmlUIDelegate** property =
       GetPropertyAccessor().GetProperty(web_contents()->GetPropertyBag());
   return property ? *property : NULL;
 }
 
 // static
 base::PropertyAccessor<ConstrainedHtmlUIDelegate*>&
     ConstrainedHtmlUI::GetPropertyAccessor() {
   return g_constrained_html_ui_property_accessor.Get();
 }