Move SessionStorageNamespace entirely into NavigationController and support StoragePartitions.

chrome/browser/ui/tabs/tab_strip_model.cc

 // 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.
 
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 
 #include <algorithm>
 #include <map>
 #include <string>
 
@@ skipping 192 matching lines @@
   closing_tabs.push_back(index);
   InternalCloseTabs(closing_tabs, CLOSE_NONE);
 }
 
 TabContents* TabStripModel::DiscardTabContentsAt(int index) {
   DCHECK(ContainsIndex(index));
   TabContents* null_contents = new TabContents(
       WebContents::Create(profile(),
                           NULL /* site_instance */,
                           MSG_ROUTING_NONE,
-                          NULL /* base_tab_contents */,
-                          NULL /* session_storage_namespace */));
+                          NULL /* base_tab_contents */));
   TabContents* old_contents = GetContentsAt(index);
   // Copy over the state from the navigation controller so we preserve the
   // back/forward history and continue to display the correct title/favicon.
   null_contents->web_contents()->GetController().CopyStateFrom(
       old_contents->web_contents()->GetController());
   // Replace the tab we're discarding with the null version.
   ReplaceTabContentsAt(index, null_contents);
   // Mark the tab so it will reload when we click.
   contents_data_[index]->discarded = true;
   // Discard the old tab's renderer.
@@ skipping 1102 matching lines @@
 void TabStripModel::ForgetOpenersAndGroupsReferencing(
     const NavigationController* tab) {
   for (TabContentsDataVector::const_iterator i = contents_data_.begin();
        i != contents_data_.end(); ++i) {
     if ((*i)->group == tab)
       (*i)->group = NULL;
     if ((*i)->opener == tab)
       (*i)->opener = NULL;
   }
 }