Fixes for -Wunused-function on Linux, Android and ChromeOS

chrome/browser/ui/app_list/app_list_controller_browsertest.cc

Index: chrome/browser/ui/app_list/app_list_controller_browsertest.cc
diff --git a/chrome/browser/ui/app_list/app_list_controller_browsertest.cc b/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
index 92068035f9752609c0a6689726a2302d9f722ba8..d7c106085806cfcecaf68b5e1751be8e8616f34b 100644
--- a/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
+++ b/chrome/browser/ui/app_list/app_list_controller_browsertest.cc
@@ -65,6 +65,7 @@ class AppListControllerBrowserTest : public InProcessBrowserTest {
   DISALLOW_COPY_AND_ASSIGN(AppListControllerBrowserTest);
 };
 
+#if !defined(OS_LINUX)
 AppListService* GetAppListService() {
   // TODO(tapted): Consider testing ash explicitly on the win-ash trybot.
   return AppListService::Get(chrome::GetActiveDesktop());
@@ -72,7 +73,6 @@ AppListService* GetAppListService() {
 
 // Test the CreateNewWindow function of the controller delegate.
 // TODO(mgiuca): Enable on Linux when supported.
-#if !defined(OS_LINUX)
 IN_PROC_BROWSER_TEST_F(AppListControllerBrowserTest, CreateNewWindow) {
   const chrome::HostDesktopType desktop = chrome::GetActiveDesktop();
   AppListService* service = GetAppListService();