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

chrome/browser/autocomplete/base_search_provider.cc

Index: chrome/browser/autocomplete/base_search_provider.cc
diff --git a/chrome/browser/autocomplete/base_search_provider.cc b/chrome/browser/autocomplete/base_search_provider.cc
index 82de99b0658b6ec55cac26ffa2dbb41ce9303522..f8ea5453fc17f37eb490c81842e3c2119de4c6fe 100644
--- a/chrome/browser/autocomplete/base_search_provider.cc
+++ b/chrome/browser/autocomplete/base_search_provider.cc
@@ -116,7 +116,8 @@ BaseSearchProvider::BaseSearchProvider(AutocompleteProviderListener* listener,
     : AutocompleteProvider(listener, profile, type),
       field_trial_triggered_(false),
       field_trial_triggered_in_session_(false),
-      suggest_results_pending_(0) {
+      suggest_results_pending_(0),
+      in_app_list_(false) {
 }
 
 // static
@@ -135,7 +136,7 @@ AutocompleteMatch BaseSearchProvider::CreateSearchSuggestion(
           suggestion, type, suggestion, base::string16(), base::string16(),
           std::string(), std::string(), from_keyword_provider, 0, false, false,
           base::string16()),
-      template_url, 0, 0, false);
+      template_url, 0, 0, false, false);
 }
 
 void BaseSearchProvider::Stop(bool clear_cached_results) {
@@ -439,7 +440,8 @@ AutocompleteMatch BaseSearchProvider::CreateSearchSuggestion(
     const TemplateURL* template_url,
     int accepted_suggestion,
     int omnibox_start_margin,
-    bool append_extra_query_params) {
+    bool append_extra_query_params,
+    bool from_app_list) {
   AutocompleteMatch match(autocomplete_provider, suggestion.relevance(), false,
                           suggestion.type());
 
@@ -494,6 +496,7 @@ AutocompleteMatch BaseSearchProvider::CreateSearchSuggestion(
       suggestion.suggest_query_params();
   match.search_terms_args->append_extra_query_params =
       append_extra_query_params;
+  match.search_terms_args->from_app_list = from_app_list;
   // This is the destination URL sans assisted query stats.  This must be set
   // so the AutocompleteController can properly de-dupe; the controller will
   // eventually overwrite it before it reaches the user.
@@ -668,7 +671,8 @@ void BaseSearchProvider::AddMatchToMap(const SuggestResult& result,
   AutocompleteMatch match = CreateSearchSuggestion(
       this, GetInput(result.from_keyword_provider()), result,
       GetTemplateURL(result.from_keyword_provider()), accepted_suggestion,
-      omnibox_start_margin, ShouldAppendExtraParams(result));
+      omnibox_start_margin, ShouldAppendExtraParams(result),
+      in_app_list_);
   if (!match.destination_url.is_valid())
     return;
   match.search_terms_args->bookmark_bar_pinned =
@@ -901,3 +905,5 @@ void BaseSearchProvider::OnDeletionComplete(
   DCHECK(it != deletion_handlers_.end());
   deletion_handlers_.erase(it);
 }
+
+void BaseSearchProvider::SetInAppList() { in_app_list_ = true; }

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

Style: trivial setters should be inlined into the declaration and named
unix_hacker()-style.

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

Done.