Add profile selector menu to app list.

chrome/browser/ui/app_list/apps_model_builder.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/ui/app_list/apps_model_builder.h"
 
 #include <algorithm>
 
 #include "base/auto_reset.h"
 #include "base/prefs/pref_service.h"
@@ skipping 41 matching lines @@
 }  // namespace
 
 AppsModelBuilder::AppsModelBuilder(Profile* profile,
                                    app_list::AppListModel::Apps* model,
                                    AppListControllerDelegate* controller)
     : profile_(profile),
       controller_(controller),
       model_(model),
       highlighted_app_pending_(false),
       ignore_changes_(false),
-      tracker_(extensions::InstallTrackerFactory::GetForProfile(profile_)) {
+      tracker_(NULL) {
   model_->AddObserver(this);
+  // Build the model.
+  SwitchProfile(profile);
 }
 
 AppsModelBuilder::~AppsModelBuilder() {
   OnShutdown();
   model_->RemoveObserver(this);
 }
 
-void AppsModelBuilder::Build() {
-  DCHECK(model_ && model_->item_count() == 0);
-
-  PopulateApps();
-  UpdateHighlight();
-
-  // Start observing after model is built.
-  tracker_->AddObserver(this);
-}
-
 void AppsModelBuilder::OnBeginExtensionInstall(
     const std::string& extension_id,
     const std::string& extension_name,
     const gfx::ImageSkia& installing_icon,
     bool is_app,
     bool is_platform_app) {
   if (!is_app)
     return;
   InsertApp(new ExtensionAppItem(profile_,
                                  extension_id,
@@ skipping 74 matching lines @@
     if (ShouldDisplayInAppLauncher(profile_, *app))
       apps->push_back(new ExtensionAppItem(profile_,
                                            (*app)->id(),
                                            controller_,
                                            "",
                                            gfx::ImageSkia(),
                                            (*app)->is_platform_app()));
   }
 }
 
+void AppsModelBuilder::SwitchProfile(Profile* profile) {

[xiyuan, 2013/09/11 05:01:49]

nit: return early if profile_ == profile

[calamity, 2013/09/13 18:02:35]

Done.

+  profile_ = profile;
+  model_->DeleteAll();
+  if (tracker_)
+    tracker_->RemoveObserver(this);
+
+  tracker_ = extensions::InstallTrackerFactory::GetForProfile(profile_);
+
+  DCHECK(model_ && model_->item_count() == 0);
+
+  PopulateApps();
+  UpdateHighlight();
+
+  // Start observing after model is built.
+  tracker_->AddObserver(this);
+}
+
 void AppsModelBuilder::PopulateApps() {
   ExtensionService* service =
       extensions::ExtensionSystem::Get(profile_)->extension_service();
   if (!service)
     return;
 
   Apps apps;
   AddApps(service->extensions(), &apps);
   AddApps(service->disabled_extensions(), &apps);
   AddApps(service->terminated_extensions(), &apps);
@@ skipping 130 matching lines @@
 
   ExtensionAppItem* prev = target_index > 0 ? GetAppAt(target_index - 1) : NULL;
   ExtensionAppItem* next = target_index + 1 < model_->item_count() ?
       GetAppAt(target_index + 1) : NULL;
   GetAppAt(target_index)->Move(prev, next);
 }
 
 void AppsModelBuilder::ListItemsChanged(size_t start, size_t count) {
   NOTREACHED();
 }