Remove TabContents from constrained windows.

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 338 matching lines @@
   // Then move the non-pinned tabs.
   MoveSelectedTabsToImpl(std::max(index, total_mini_count),
                          selected_mini_count,
                          selected_count - selected_mini_count);
 }
 
 TabContents* TabStripModel::GetActiveTabContents() const {
   return GetTabContentsAt(active_index());
 }
 
+content::WebContents* TabStripModel::GetActiveWebContents() const {
+  return GetTabContentsAt(active_index())->web_contents();
+}
+
 TabContents* TabStripModel::GetTabContentsAt(int index) const {
   if (ContainsIndex(index))
     return GetContentsAt(index);
   return NULL;
 }
 
+content::WebContents* TabStripModel::GetWebContentsAt(int index) const {
+  if (ContainsIndex(index))
+    return GetContentsAt(index)->web_contents();
+  return NULL;
+}
+
 int TabStripModel::GetIndexOfTabContents(const TabContents* contents) const {
   for (size_t i = 0; i < contents_data_.size(); ++i) {
     if (contents_data_[i]->contents == contents)
       return i;
   }
   return kNoTab;
 }
 
 int TabStripModel::GetIndexOfWebContents(const WebContents* contents) const {
   return contents ?
@@ skipping 944 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;
   }
 }