Add search_terms_replacement_key field to TemplateURL.

chrome/browser/search_engines/template_url.cc

Index: chrome/browser/search_engines/template_url.cc
diff --git a/chrome/browser/search_engines/template_url.cc b/chrome/browser/search_engines/template_url.cc
index 7c84ea6c4999da817f9b3c839e29329a46edfd97..f1b33eea73c6e0e81f74c6f26e032d0e89bddd87 100644
--- a/chrome/browser/search_engines/template_url.cc
+++ b/chrome/browser/search_engines/template_url.cc
@@ -57,6 +57,8 @@ const char kGoogleBaseSuggestURLParameterFull[] = "{google:baseSuggestURL}";
 const char kGoogleInstantEnabledParameter[] = "google:instantEnabledParameter";
 const char kGoogleInstantExtendedEnabledParameter[] =
     "google:instantExtendedEnabledParameter";
+const char kGoogleInstantExtendedEnabledKey[] =
+    "google:instantExtendedEnabledKey";
 const char kGoogleOriginalQueryForSuggestionParameter[] =
     "google:originalQueryForSuggestion";
 const char kGoogleRLZParameter[] = "google:RLZ";
@@ -304,6 +306,10 @@ std::string TemplateURLRef::ReplaceSearchTermsUsingTermsData(
         url.insert(i->index, search_terms_data.InstantExtendedEnabledParam());
         break;
 
+      case GOOGLE_INSTANT_EXTENDED_ENABLED_KEY:
+        url.insert(i->index, search_terms_data.InstantExtendedEnabledKey());
+        break;
+
       case GOOGLE_ORIGINAL_QUERY_FOR_SUGGESTION:
         if (search_terms_args.accepted_suggestion >= 0 ||
             !search_terms_args.assisted_query_stats.empty()) {
@@ -560,6 +566,9 @@ bool TemplateURLRef::ParseParameter(size_t start,
   } else if (parameter == kGoogleInstantExtendedEnabledParameter) {
     replacements->push_back(Replacement(GOOGLE_INSTANT_EXTENDED_ENABLED,
                                         start));
+  } else if (parameter == kGoogleInstantExtendedEnabledKey) {
+    replacements->push_back(Replacement(GOOGLE_INSTANT_EXTENDED_ENABLED_KEY,
+                                        start));
   } else if (parameter == kGoogleOriginalQueryForSuggestionParameter) {
     replacements->push_back(Replacement(GOOGLE_ORIGINAL_QUERY_FOR_SUGGESTION,
                                         start));