Remove BrowserIterator

chrome/browser/ui/browser.cc

Index: chrome/browser/ui/browser.cc
diff --git a/chrome/browser/ui/browser.cc b/chrome/browser/ui/browser.cc
index 2de528d9f2231553fb6a9e426bd09c496e2e91c1..f721a1582947218b3c8c788ed5b4bbc4816c528b 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -98,7 +98,6 @@
 #include "chrome/browser/ui/browser_dialogs.h"
 #include "chrome/browser/ui/browser_finder.h"
 #include "chrome/browser/ui/browser_instant_controller.h"
-#include "chrome/browser/ui/browser_iterator.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/browser_live_tab_context.h"
 #include "chrome/browser/ui/browser_navigator.h"
@@ -799,15 +798,14 @@ Browser::DownloadClosePreventionType Browser::OkToCloseWithInProgressDownloads(
   // profile, that are relevant for the ok-to-close decision.
   int profile_window_count = 0;
   int total_window_count = 0;
-  for (chrome::BrowserIterator it; !it.done(); it.Next()) {
+  for (auto& browser : *BrowserList::GetInstance()) {
     // Don't count this browser window or any other in the process of closing.
-    Browser* const browser = *it;
     // Window closing may be delayed, and windows that are in the process of
     // closing don't count against our totals.
     if (browser == this || browser->IsAttemptingToCloseBrowser())
       continue;
 
-    if (it->profile() == profile())
+    if (browser->profile() == profile())
       profile_window_count++;
     total_window_count++;
   }