Remove EPM:all_hosts_ and use all_extension_views_ instead.

chrome/browser/automation/automation_provider_observers.cc

Index: chrome/browser/automation/automation_provider_observers.cc
diff --git a/chrome/browser/automation/automation_provider_observers.cc b/chrome/browser/automation/automation_provider_observers.cc
index b49a726257fab96218aea318b5e7554409f45644..f7abc4176fcb7030a896a7d7dbaaa57be677348a 100644
--- a/chrome/browser/automation/automation_provider_observers.cc
+++ b/chrome/browser/automation/automation_provider_observers.cc
@@ -507,9 +507,11 @@ void TabCountChangeObserver::CheckTabCount() {
 }
 
 bool DidExtensionHostsStopLoading(ExtensionProcessManager* manager) {
-  for (ExtensionProcessManager::const_iterator iter = manager->begin();
-       iter != manager->end(); ++iter) {
-    if (!(*iter)->did_stop_loading())
+  ExtensionProcessManager::ViewSet all_views = manager->GetAllViews();
+  for (ExtensionProcessManager::ViewSet::const_iterator iter =
+           all_views.begin();
+       iter != all_views.end(); ++iter) {
+    if ((*iter)->IsLoading())
       return false;
   }
   return true;