Lazily build the app list model.

chrome/browser/extensions/api/launcher_page/launcher_page_api.cc

Index: chrome/browser/extensions/api/launcher_page/launcher_page_api.cc
diff --git a/chrome/browser/extensions/api/launcher_page/launcher_page_api.cc b/chrome/browser/extensions/api/launcher_page/launcher_page_api.cc
index cf9972c51e4d25f98ee5eb0a8faf185f9a3dcc07..ae0669d7631e2948e265166214b4a89486d47658 100644
--- a/chrome/browser/extensions/api/launcher_page/launcher_page_api.cc
+++ b/chrome/browser/extensions/api/launcher_page/launcher_page_api.cc
@@ -44,7 +44,7 @@ ExtensionFunction::ResponseAction LauncherPagePushSubpageFunction::Run() {
       LauncherPageAPI::GetFactoryInstance()
           ->Get(browser_context())
           ->GetService();
-  app_list::AppListModel* model = service->model();
+  app_list::AppListModel* model = service->GetModel();
   model->PushCustomLauncherPageSubpage();
 
   return RespondNow(NoArguments());
@@ -77,7 +77,7 @@ ExtensionFunction::ResponseAction LauncherPageSetEnabledFunction::Run() {
       LauncherPageAPI::GetFactoryInstance()
           ->Get(browser_context())
           ->GetService();
-  app_list::AppListModel* model = service->model();
+  app_list::AppListModel* model = service->GetModel();
   model->SetCustomLauncherPageEnabled(params->enabled);
 
   return RespondNow(NoArguments());