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

chrome/browser/autocomplete/autocomplete_controller.h

Index: chrome/browser/autocomplete/autocomplete_controller.h
diff --git a/chrome/browser/autocomplete/autocomplete_controller.h b/chrome/browser/autocomplete/autocomplete_controller.h
index 1f2a09c35dc27247385a10ad290e40f53e11c907..26792ff84de7e2e06102192995bbad328da64f09 100644
--- a/chrome/browser/autocomplete/autocomplete_controller.h
+++ b/chrome/browser/autocomplete/autocomplete_controller.h
@@ -126,6 +126,9 @@ class AutocompleteController : public AutocompleteProviderListener {
     return last_time_default_match_changed_;
   }
 
+  // Sets this controller as being in the app list.
+  void SetInAppList();
+
  private:
   friend class AutocompleteProviderTest;
   FRIEND_TEST_ALL_PREFIXES(AutocompleteProviderTest,