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

chrome/browser/autocomplete/autocomplete_controller.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/autocomplete/autocomplete_controller.h"
 
 #include <set>
 #include <string>
 
 #include "base/format_macros.h"
@@ skipping 381 matching lines @@
       query_formulation_time.InMilliseconds(),
       (search_provider_ &&
        search_provider_->field_trial_triggered_in_session()) ||
       (zero_suggest_provider_ &&
        zero_suggest_provider_->field_trial_triggered_in_session()),
       input_.current_page_classification());
   match->destination_url =
       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) {
   const bool last_default_was_valid = result_.default_match() != result_.end();
   // The following three variables are only set and used if
   // |last_default_was_valid|.
   base::string16 last_default_fill_into_edit, last_default_keyword,
       last_default_associated_keyword;
   if (last_default_was_valid) {
     last_default_fill_into_edit = result_.default_match()->fill_into_edit;
@@ skipping 209 matching lines @@
                         this, &AutocompleteController::ExpireCopiedEntries);
 }
 
 void AutocompleteController::StartStopTimer() {
   stop_timer_.Start(FROM_HERE,
                     stop_timer_duration_,
                     base::Bind(&AutocompleteController::Stop,
                                base::Unretained(this),
                                false));
 }