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

content/browser/tab_contents/render_view_host_manager.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 "content/browser/tab_contents/render_view_host_manager.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "content/browser/debugger/devtools_manager_impl.h"
 #include "content/browser/renderer_host/render_view_host.h"
 #include "content/browser/renderer_host/render_view_host_delegate.h"
 #include "content/browser/renderer_host/render_view_host_factory.h"
 #include "content/browser/renderer_host/render_widget_host_view.h"
 #include "content/browser/site_instance.h"
 #include "content/browser/tab_contents/navigation_controller_impl.h"
 #include "content/browser/tab_contents/navigation_entry_impl.h"
 #include "content/browser/tab_contents/tab_contents_view.h"
 #include "content/browser/webui/web_ui.h"
 #include "content/public/browser/notification_service.h"
 #include "content/common/view_messages.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/notification_types.h"
+#include "content/public/browser/web_ui_controller.h"
 #include "content/public/browser/web_ui_factory.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 
 using content::NavigationController;
 using content::NavigationEntry;
 using content::NavigationEntryImpl;
 
 RenderViewHostManager::RenderViewHostManager(
     RenderViewHostDelegate* render_view_delegate,
@@ skipping 514 matching lines @@
 void RenderViewHostManager::CommitPending() {
   // First check whether we're going to want to focus the location bar after
   // this commit.  We do this now because the navigation hasn't formally
   // committed yet, so if we've already cleared |pending_web_ui_| the call chain
   // this triggers won't be able to figure out what's going on.
   bool will_focus_location_bar = delegate_->FocusLocationBarByDefault();
 
   // Next commit the Web UI, if any.
   web_ui_.swap(pending_web_ui_);
   if (web_ui_.get() && pending_web_ui_.get() && !pending_render_view_host_)
-    web_ui_->DidBecomeActiveForReusedRenderView();
+    web_ui_->controller()->DidBecomeActiveForReusedRenderView();
   pending_web_ui_.reset();
 
   // It's possible for the pending_render_view_host_ to be NULL when we aren't
   // crossing process boundaries. If so, we just needed to handle the Web UI
   // committing above and we're done.
   if (!pending_render_view_host_) {
     if (will_focus_location_bar)
       delegate_->SetFocusToLocationBar(false);
     return;
   }
@@ skipping 159 matching lines @@
       // just let the new pending_render_view_host_ immediately navigate.
     }
 
     // We now have a pending RVH.
     DCHECK(!cross_navigation_pending_);
     cross_navigation_pending_ = true;
 
     return pending_render_view_host_;
   } else {
     if (pending_web_ui_.get() && render_view_host_->IsRenderViewLive())
-      pending_web_ui_->RenderViewReused(render_view_host_);
+      pending_web_ui_->controller()->RenderViewReused(render_view_host_);
 
     // The renderer can exit view source mode when any error or cancellation
     // happen. We must overwrite to recover the mode.
     if (entry.IsViewSourceMode()) {
       render_view_host_->Send(
           new ViewMsg_EnableViewSourceMode(render_view_host_->routing_id()));
     }
   }
 
   // Same SiteInstance can be used.  Navigate render_view_host_ if we are not
@@ skipping 60 matching lines @@
   }
 }
 
 bool RenderViewHostManager::IsSwappedOut(RenderViewHost* rvh) {
   if (!rvh->site_instance())
     return false;
 
   return swapped_out_hosts_.find(rvh->site_instance()->id()) !=
       swapped_out_hosts_.end();
 }