Use whether a query is from the app list to determine the RLZ parameter.

chrome/browser/autocomplete/autocomplete_controller.cc

Index: chrome/browser/autocomplete/autocomplete_controller.cc
diff --git a/chrome/browser/autocomplete/autocomplete_controller.cc b/chrome/browser/autocomplete/autocomplete_controller.cc
index 08d70ac9845cfaca816b2dc22fd9da33aea653f9..048c5fa536e2bcdcfc906d0ae71b00f278775b02 100644
--- a/chrome/browser/autocomplete/autocomplete_controller.cc
+++ b/chrome/browser/autocomplete/autocomplete_controller.cc
@@ -399,6 +399,13 @@ void AutocompleteController::UpdateMatchDestinationURL(
       GURL(template_url->url_ref().ReplaceSearchTerms(search_terms_args));
 }
 
+void AutocompleteController::SetInAppList() {
+  if (search_provider_)
+    search_provider_->SetInAppList();
+  if (zero_suggest_provider_)
+    zero_suggest_provider_->SetInAppList();

[Peter Kasting, 2014/04/08 20:33:14]

Is the app list really going to support zerosuggest?  It seems like if not, then
not only can you remove that provider from the list, but instead of adding a
setter to AutocompleteController, OmniboxProvider() can just call
controller_->serach_provider()->...

[Sam McNally, 2014/04/09 01:48:56]

Done.

+}
+
 void AutocompleteController::UpdateResult(
     bool regenerate_result,
     bool force_notify_default_match_changed) {