Remove BrowserIterator

chrome/browser/ui/tab_contents/tab_contents_iterator.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/tab_contents/tab_contents_iterator.h"
 
 #include "base/logging.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 
 TabContentsIterator::TabContentsIterator()
     : web_view_index_(-1),
-      cur_(NULL) {
+      cur_(NULL),
+      browser_iterator_(BrowserList::GetInstance()->begin()) {
   // Load the first WebContents into |cur_|.
   Next();
 }
 
 void TabContentsIterator::Next() {
   // The current WebContents should be valid unless we are at the beginning.
   DCHECK(cur_ || web_view_index_ == -1) << "Trying to advance past the end";
 
   // Update |cur_| to the next WebContents in the list.
-  while (!browser_iterator_.done()) {
-    if (++web_view_index_ >= browser_iterator_->tab_strip_model()->count()) {
+  while (browser_iterator_ != BrowserList::GetInstance()->end()) {
+    if (++web_view_index_ >= (*browser_iterator_)->tab_strip_model()->count()) {
       // Advance to the next Browser in the list.
-      browser_iterator_.Next();
+      ++browser_iterator_;
       web_view_index_ = -1;
       continue;
     }
 
-    content::WebContents* next_tab = browser_iterator_->tab_strip_model()
+    content::WebContents* next_tab = (*browser_iterator_)->tab_strip_model()
         ->GetWebContentsAt(web_view_index_);
     if (next_tab) {
       cur_ = next_tab;
       return;
     }
   }
   // Reached the end.
   cur_ = NULL;
 }