Disables Native App Launcher functionality.

ios/chrome/browser/ui/settings/settings_collection_view_controller.mm

Index: ios/chrome/browser/ui/settings/settings_collection_view_controller.mm
diff --git a/ios/chrome/browser/ui/settings/settings_collection_view_controller.mm b/ios/chrome/browser/ui/settings/settings_collection_view_controller.mm
index 73c8da6fa4ed901bcbd9813406885fb188b0a21d..66cb8c616b52af2491a6e06b16c34ea6d804bf22 100644
--- a/ios/chrome/browser/ui/settings/settings_collection_view_controller.mm
+++ b/ios/chrome/browser/ui/settings/settings_collection_view_controller.mm
@@ -358,8 +358,10 @@ void SigninObserverBridge::GoogleSignedOut(const std::string& account_id,
       toSectionWithIdentifier:SectionIdentifierBasics];
   [model addItem:[self autoFillDetailItem]
       toSectionWithIdentifier:SectionIdentifierBasics];
-  [model addItem:[self nativeAppsDetailItem]
-      toSectionWithIdentifier:SectionIdentifierBasics];
+  if (experimental_flags::IsNativeAppLauncherEnabled()) {
+    [model addItem:[self nativeAppsDetailItem]
+        toSectionWithIdentifier:SectionIdentifierBasics];

[rohitrao (ping after 24h), 2017/05/03 22:53:07]

I'm a little surprised that we don't have a unittest that checks that this item
is present.

[pkl (ping after 24h if needed), 2017/05/03 23:20:01]

You mean, you are surprised that we don't have *any* unit tests for this file?
;)

+  }
 
   // Advanced Section
   [model addSectionWithIdentifier:SectionIdentifierAdvanced];