Swap BrowserList::const_iterator for the multi-desktop aware BrowserIterator in many scenarios.

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 99af8b897e1fcc4f5aea12abefe75abedc113889..2e6f2db5ff9751f3854d094f79692342d84bb39b 100644
--- a/chrome/browser/ui/browser.cc
+++ b/chrome/browser/ui/browser.cc
@@ -96,6 +96,7 @@
 #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_navigator.h"
 #include "chrome/browser/ui/browser_tab_contents.h"
@@ -715,16 +716,15 @@ 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 (BrowserList::const_iterator iter = BrowserList::begin();
-       iter != BrowserList::end(); ++iter) {
+  for (chrome::BrowserIterator it; !it.done(); it.Next()) {
     // Don't count this browser window or any other in the process of closing.
-    Browser* const browser = *iter;
+    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 ((*iter)->profile() == profile())
+    if (it->profile() == profile())
       profile_window_count++;
     total_window_count++;
   }