Add profile selector menu to app list.

chrome/browser/ui/app_list/apps_model_builder.cc

Index: chrome/browser/ui/app_list/apps_model_builder.cc
diff --git a/chrome/browser/ui/app_list/apps_model_builder.cc b/chrome/browser/ui/app_list/apps_model_builder.cc
index b662b4537f18f1e81c044f4cd06ae4d4126915d1..747d8e2fa831570ea908cde52626355074881917 100644
--- a/chrome/browser/ui/app_list/apps_model_builder.cc
+++ b/chrome/browser/ui/app_list/apps_model_builder.cc
@@ -172,6 +172,16 @@ void AppsModelBuilder::AddApps(const ExtensionSet* extensions, Apps* apps) {
   }
 }
 
+void AppsModelBuilder::SetProfile(Profile* profile) {
+  profile_ = profile;
+  model_->DeleteAll();
+  if (tracker_) {
+    tracker_->RemoveObserver(this);
+    tracker_ = extensions::InstallTrackerFactory::GetForProfile(profile_);
+  }
+  Build();
+}
+
 void AppsModelBuilder::PopulateApps() {
   ExtensionService* service =
       extensions::ExtensionSystem::Get(profile_)->extension_service();
@@ -189,8 +199,10 @@ void AppsModelBuilder::PopulateApps() {
   service->extension_prefs()->extension_sorting()->FixNTPOrdinalCollisions();
   std::sort(apps.begin(), apps.end(), &AppPrecedes);
 
-  for (size_t i = 0; i < apps.size(); ++i)
-    model_->Add(apps[i]);
+  ScopedVector<app_list::AppListItemModel> items;
+  items.assign(apps.begin(), apps.end());
+
+  model_->AddAll(items.Pass());
 }
 
 void AppsModelBuilder::ResortApps() {