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

chrome/browser/extensions/api/web_navigation/web_navigation_api.cc

Index: chrome/browser/extensions/api/web_navigation/web_navigation_api.cc
diff --git a/chrome/browser/extensions/api/web_navigation/web_navigation_api.cc b/chrome/browser/extensions/api/web_navigation/web_navigation_api.cc
index e6677d18e5ecb5ca180940b116eb6997b65196a0..23f07cc23545e432f63f8aa8dc9499aac03d85b1 100644
--- a/chrome/browser/extensions/api/web_navigation/web_navigation_api.cc
+++ b/chrome/browser/extensions/api/web_navigation/web_navigation_api.cc
@@ -15,6 +15,7 @@
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/tab_contents/retargeting_details.h"
 #include "chrome/browser/ui/browser.h"
+#include "chrome/browser/ui/browser_iterator.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/view_type_utils.h"
 #include "chrome/common/chrome_notification_types.h"
@@ -87,9 +88,8 @@ WebNavigationEventRouter::WebNavigationEventRouter(Profile* profile)
                  content::NotificationService::AllSources());
 
   BrowserList::AddObserver(this);
-  for (BrowserList::const_iterator iter = BrowserList::begin();
-       iter != BrowserList::end(); ++iter) {
-    OnBrowserAdded(*iter);
+  for (chrome::BrowserIterator it; !it.done(); it.Next()) {
+    OnBrowserAdded(*it);
   }
 }