[AiS] Added version parameter to search query.

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 874b4bbaa33bed834f6211b2bcf0b8aac9fc5ff7..01a15dfd2c8c0011f41a3877e78729ea676f2e7e 100644
--- a/chrome/browser/search_engines/template_url.cc
+++ b/chrome/browser/search_engines/template_url.cc
@@ -84,6 +84,9 @@ const char kGoogleRLZParameter[] = "google:RLZ";
 const char kGoogleSearchClient[] = "google:searchClient";
 const char kGoogleSearchFieldtrialParameter[] =
     "google:searchFieldtrialParameter";
+#if defined (OS_ANDROID)
+const char kGoogleSearchVersion[] = "google:searchVersion";
+#endif
 const char kGoogleSourceIdParameter[] = "google:sourceId";
 const char kGoogleSuggestAPIKeyParameter[] = "google:suggestAPIKeyParameter";
 const char kGoogleSuggestClient[] = "google:suggestClient";
@@ -601,6 +604,13 @@ bool TemplateURLRef::ParseParameter(size_t start,
     replacements->push_back(Replacement(GOOGLE_SEARCH_CLIENT, start));
   } else if (parameter == kGoogleSearchFieldtrialParameter) {
     replacements->push_back(Replacement(GOOGLE_SEARCH_FIELDTRIAL_GROUP, start));
+#if defined(OS_ANDROID)
+  } else if (parameter == kGoogleSearchVersion) {
+    if (CommandLine::ForCurrentProcess()->HasSwitch(
+        switches::kEnableAnswersInSuggest)) {
+      url->insert(start, "gs_rn=42&");
+    }
+#endif
   } else if (parameter == kGoogleSourceIdParameter) {
 #if defined(OS_ANDROID)
     url->insert(start, "sourceid=chrome-mobile&");