Warm-up the App List when enabled from the webstore and not shown.

chrome/browser/ui/app_list/app_list_service_mac.mm

 // Copyright 2013 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 <ApplicationServices/ApplicationServices.h>
 #import <Cocoa/Cocoa.h>
 
 #include "apps/app_launcher.h"
 #include "apps/app_shim/app_shim_handler_mac.h"
 #include "apps/app_shim/app_shim_mac.h"
@@ skipping 41 matching lines @@
 class AppListServiceMac : public AppListServiceImpl,
                           public apps::AppShimHandler {
  public:
   virtual ~AppListServiceMac() {}
 
   static AppListServiceMac* GetInstance() {
     return Singleton<AppListServiceMac,
                      LeakySingletonTraits<AppListServiceMac> >::get();
   }
 
-  void CreateAppList(Profile* profile);
   void ShowWindowNearDock();
 
   // AppListService overrides:
   virtual void Init(Profile* initial_profile) OVERRIDE;
+  virtual void CreateForProfile(Profile* requested_profile) OVERRIDE;
   virtual void ShowForProfile(Profile* requested_profile) OVERRIDE;
   virtual void DismissAppList() OVERRIDE;
   virtual bool IsAppListVisible() const OVERRIDE;
   virtual gfx::NativeWindow GetAppListWindow() OVERRIDE;
 
   // AppListServiceImpl overrides:
   virtual void CreateShortcut() OVERRIDE;
   virtual void OnSigninStatusChanged() OVERRIDE;
 
   // AppShimHandler overrides:
@@ skipping 184 matching lines @@
     Profile* profile, const extensions::Extension* extension, int event_flags) {
   LaunchApp(profile, extension, event_flags);
 }
 
 void AppListControllerDelegateCocoa::LaunchApp(
     Profile* profile, const extensions::Extension* extension, int event_flags) {
   chrome::OpenApplication(chrome::AppLaunchParams(
       profile, extension, NEW_FOREGROUND_TAB));
 }
 
-void AppListServiceMac::CreateAppList(Profile* requested_profile) {
-  if (profile() == requested_profile)
-    return;
-
-  // The Objective C objects might be released at some unknown point in the
-  // future, so explicitly clear references to C++ objects.
-  [[window_controller_ appListViewController]
-      setDelegate:scoped_ptr<app_list::AppListViewDelegate>()];
-
-  SetProfile(requested_profile);
-  scoped_ptr<app_list::AppListViewDelegate> delegate(
-      new AppListViewDelegate(new AppListControllerDelegateCocoa(), profile()));
-  window_controller_.reset([[AppListWindowController alloc] init]);
-  [[window_controller_ appListViewController] setDelegate:delegate.Pass()];
-}
-
 void AppListServiceMac::Init(Profile* initial_profile) {
   // On Mac, Init() is called multiple times for a process: any time there is no
   // browser window open and a new window is opened, and during process startup
   // to handle the silent launch case (e.g. for app shims). In the startup case,
   // a profile has not yet been determined so |initial_profile| will be NULL.
   static bool init_called_with_profile = false;
   if (initial_profile && !init_called_with_profile) {
     init_called_with_profile = true;
     HandleCommandLineFlags(initial_profile);
     if (!apps::IsAppLauncherEnabled()) {
       // Not yet enabled via the Web Store. Check for the chrome://flag.
       content::BrowserThread::PostTask(
           content::BrowserThread::FILE, FROM_HERE,
           base::Bind(&CheckAppListShimOnFileThread,
                      initial_profile->GetPath()));
     }
   }
 
   static bool init_called = false;
   if (init_called)
     return;
 
   init_called = true;
   apps::AppShimHandler::RegisterHandler(app_mode::kAppListModeId,
                                         AppListServiceMac::GetInstance());
 }
 
+void AppListServiceMac::CreateForProfile(Profile* requested_profile) {
+  if (profile() == requested_profile)
+    return;
+
+  // The Objective C objects might be released at some unknown point in the
+  // future, so explicitly clear references to C++ objects.
+  [[window_controller_ appListViewController]
+      setDelegate:scoped_ptr<app_list::AppListViewDelegate>()];
+
+  SetProfile(requested_profile);
+  scoped_ptr<app_list::AppListViewDelegate> delegate(
+      new AppListViewDelegate(new AppListControllerDelegateCocoa(), profile()));
+  window_controller_.reset([[AppListWindowController alloc] init]);
+  [[window_controller_ appListViewController] setDelegate:delegate.Pass()];
+}
+
 void AppListServiceMac::ShowForProfile(Profile* requested_profile) {
   InvalidatePendingProfileLoads();
 
   if (IsAppListVisible() && (requested_profile == profile())) {
     ShowWindowNearDock();
     return;
   }
 
   SetProfilePath(requested_profile->GetPath());
 
   DismissAppList();
-  CreateAppList(requested_profile);
+  CreateForProfile(requested_profile);
   ShowWindowNearDock();
 }
 
 void AppListServiceMac::DismissAppList() {
   if (!IsAppListVisible())
     return;
 
   // If the app list is currently the main window, it will activate the next
   // Chrome window when dismissed. But if a different application was active
   // when the app list was shown, activate that instead.
@@ skipping 172 matching lines @@
 
 // static
 AppListService* AppListService::Get() {
   return AppListServiceMac::GetInstance();
 }
 
 // static
 void AppListService::InitAll(Profile* initial_profile) {
   Get()->Init(initial_profile);
 }