TabContents -> WebContentsImpl, part 15.

content/browser/web_contents/navigation_entry_impl.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_BROWSER_WEB_CONTENTS_NAVIGATION_ENTRY_IMPL_H_
 #define CONTENT_BROWSER_WEB_CONTENTS_NAVIGATION_ENTRY_IMPL_H_
 #pragma once
 
 #include "base/basictypes.h"
 #include "base/memory/ref_counted.h"
@@ skipping 47 matching lines @@
   virtual int64 GetPostID() const OVERRIDE;
   virtual const FaviconStatus& GetFavicon() const OVERRIDE;
   virtual FaviconStatus& GetFavicon() OVERRIDE;
   virtual const SSLStatus& GetSSL() const OVERRIDE;
   virtual SSLStatus& GetSSL() OVERRIDE;
 
   void set_unique_id(int unique_id) {
     unique_id_ = unique_id;
   }
 
-  // The SiteInstance tells us how to share sub-processes when the tab type is
-  // TAB_CONTENTS_WEB. This will be NULL otherwise. This is a reference counted
-  // pointer to a shared site instance.
+  // The SiteInstance tells us how to share sub-processes. This is a reference
+  // counted pointer to a shared site instance.
   //
   // Note that the SiteInstance should usually not be changed after it is set,
   // but this may happen if the NavigationEntry was cloned and needs to use a
   // different SiteInstance.
   void set_site_instance(SiteInstanceImpl* site_instance);
   SiteInstanceImpl* site_instance() const {
     return site_instance_.get();
   }
 
   void set_page_type(PageType page_type) {
@@ skipping 127 matching lines @@
   // instance, instead of a new navigation. This value should not be persisted
   // and is not needed after the entry commits.
   bool is_cross_site_reload_;
 
   // Copy and assignment is explicitly allowed for this class.
 };
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_WEB_CONTENTS_NAVIGATION_ENTRY_IMPL_H_