[AiS] Provide Answers queries with a session token.

chrome/browser/search_engines/template_url_unittest.cc

Index: chrome/browser/search_engines/template_url_unittest.cc
diff --git a/chrome/browser/search_engines/template_url_unittest.cc b/chrome/browser/search_engines/template_url_unittest.cc
index d6bf5057a863b0c9947935ca44fab5b8b3759ba1..54b809f673ca80fb179231da2565abdb02c636f3 100644
--- a/chrome/browser/search_engines/template_url_unittest.cc
+++ b/chrome/browser/search_engines/template_url_unittest.cc
@@ -1343,3 +1343,20 @@ TEST_F(TemplateURLTest, AnswersHasVersion) {
   EXPECT_EQ("http://bar/search?q=foo&gs_rn=42&xssi=t", result);
 }
 #endif
+
+TEST_F(TemplateURLTest, SessionToken) {
+  TemplateURLData data;
+  UIThreadSearchTermsData::SetGoogleBaseURL("http://bar/");
+  data.SetURL("http://bar/search?q={searchTerms}&{google:sessionToken}xssi=t");
+
+  TemplateURL url(NULL, data);
+  TemplateURLRef::SearchTermsArgs search_terms_args(ASCIIToUTF16("foo"));
+  search_terms_args.session_token = "SESSIONTOKENGOESHERE";
+  std::string result = url.url_ref().ReplaceSearchTerms(search_terms_args);
+  EXPECT_EQ("http://bar/search?q=foo&psi=SESSIONTOKENGOESHERE&xssi=t", result);
+
+  TemplateURL url2(NULL, data);
+  search_terms_args.session_token = "";
+  result = url.url_ref().ReplaceSearchTerms(search_terms_args);
+  EXPECT_EQ("http://bar/search?q=foo&xssi=t", result);
+}