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

chrome/browser/autocomplete/history_url_provider.cc

Index: chrome/browser/autocomplete/history_url_provider.cc
diff --git a/chrome/browser/autocomplete/history_url_provider.cc b/chrome/browser/autocomplete/history_url_provider.cc
index 54f54720b23c482b02622d7bd7780e0eef9f331f..ca37ae83b92582fc51fe8e323111da6e4469b14a 100644
--- a/chrome/browser/autocomplete/history_url_provider.cc
+++ b/chrome/browser/autocomplete/history_url_provider.cc
@@ -237,7 +237,8 @@ class SearchTermsDataSnapshot : public SearchTermsData {
 
   virtual std::string GoogleBaseURLValue() const OVERRIDE;
   virtual std::string GetApplicationLocale() const OVERRIDE;
-  virtual base::string16 GetRlzParameterValue() const OVERRIDE;
+  virtual base::string16 GetRlzParameterValue(bool from_app_list) const
+      OVERRIDE;
   virtual std::string GetSearchClient() const OVERRIDE;
   virtual std::string NTPIsThemedParam() const OVERRIDE;
 
@@ -255,7 +256,7 @@ SearchTermsDataSnapshot::SearchTermsDataSnapshot(
     const SearchTermsData& search_terms_data)
     : google_base_url_value_(search_terms_data.GoogleBaseURLValue()),
       application_locale_(search_terms_data.GetApplicationLocale()),
-      rlz_parameter_value_(search_terms_data.GetRlzParameterValue()),
+      rlz_parameter_value_(search_terms_data.GetRlzParameterValue(false)),
       search_client_(search_terms_data.GetSearchClient()),
       ntp_is_themed_param_(search_terms_data.NTPIsThemedParam()) {}
 
@@ -270,7 +271,8 @@ std::string SearchTermsDataSnapshot::GetApplicationLocale() const {
   return application_locale_;
 }
 
-base::string16 SearchTermsDataSnapshot::GetRlzParameterValue() const {
+base::string16 SearchTermsDataSnapshot::GetRlzParameterValue(
+    bool from_app_list) const {
   return rlz_parameter_value_;
 }