Remove --enable-mac-views-app-list on Mac

chrome/browser/ui/app_list/app_list_service_mac.mm

Index: chrome/browser/ui/app_list/app_list_service_mac.mm
diff --git a/chrome/browser/ui/app_list/app_list_service_mac.mm b/chrome/browser/ui/app_list/app_list_service_mac.mm
index 386b3b31a9248b159387eafb256eb0e9221b5970..a38f753f220f111e62cc0498ed87c8627c0ad925 100644
--- a/chrome/browser/ui/app_list/app_list_service_mac.mm
+++ b/chrome/browser/ui/app_list/app_list_service_mac.mm
@@ -266,17 +266,6 @@ void GetAppListWindowOrigins(
                                      start_origin);
 }
 
-AppListServiceMac* GetActiveInstance() {
-  if (app_list::switches::IsMacViewsAppListEnabled()) {
-#if defined(TOOLKIT_VIEWS)
-    // TODO(tapted): Return AppListServiceViewsMac instance.
-#else
-    NOTREACHED();
-#endif
-  }
-  return AppListServiceCocoaMac::GetInstance();
-}
-
 }  // namespace
 
 AppListServiceMac::AppListServiceMac() {
@@ -512,13 +501,14 @@ void AppListServiceMac::WindowAnimationDidEnd() {
 
 // static
 AppListService* AppListService::Get() {
-  return GetActiveInstance();
+  return AppListServiceCocoaMac::GetInstance();
 }
 
 // static
 void AppListService::InitAll(Profile* initial_profile,
                              const base::FilePath& profile_path) {
-  GetActiveInstance()->InitWithProfilePath(initial_profile, profile_path);
+  AppListServiceCocoaMac::GetInstance()->InitWithProfilePath(initial_profile,

[msw, 2016/05/05 01:51:06]

nit: just call Get()?

[tapted, 2016/05/05 02:53:42]

Hehe - I tried that _ages_ ago, but this one has to be called `GetInstance`,
since base::Singleton only declares friendship with `friend Type*
Type::GetInstance();` -- If the method is called `Get()` it won't be allowed to
call Singleton::get() since that's a private member of Singleton.

+                                                             profile_path);
 }
 
 @implementation AppListAnimationController
@@ -583,10 +573,9 @@ void AppListService::InitAll(Profile* initial_profile,
 
 - (void)animationDidEnd:(NSAnimation*)animation {
   content::BrowserThread::PostTask(
-      content::BrowserThread::UI,
-      FROM_HERE,
+      content::BrowserThread::UI, FROM_HERE,
       base::Bind(&AppListServiceMac::WindowAnimationDidEnd,
-                 base::Unretained(GetActiveInstance())));
+                 base::Unretained(AppListServiceCocoaMac::GetInstance())));

[msw, 2016/05/05 01:51:06]

nit: just call AppListService::Get()?

[tapted, 2016/05/05 02:53:42]

see above

 }
 
 @end