Change refs from ChromeSigninClient to base SigninClient class.

chrome/browser/signin/signin_browsertest.cc

Index: chrome/browser/signin/signin_browsertest.cc
diff --git a/chrome/browser/signin/signin_browsertest.cc b/chrome/browser/signin/signin_browsertest.cc
index 13a777f958dbe8b1239bdca086b3f01cbfb56db8..cedb612b6611f0017b3874c13ab946b07186d985 100644
--- a/chrome/browser/signin/signin_browsertest.cc
+++ b/chrome/browser/signin/signin_browsertest.cc
@@ -107,7 +107,7 @@ const bool kOneClickSigninEnabled = false;
 #define MAYBE_ProcessIsolation ProcessIsolation
 #endif
 IN_PROC_BROWSER_TEST_F(SigninBrowserTest, MAYBE_ProcessIsolation) {
-  ChromeSigninClient* signin =
+  SigninClient* signin =
       ChromeSigninClientFactory::GetForProfile(browser()->profile());
   EXPECT_FALSE(signin->HasSigninProcess());
 
@@ -149,7 +149,7 @@ IN_PROC_BROWSER_TEST_F(SigninBrowserTest, MAYBE_ProcessIsolation) {
 }
 
 IN_PROC_BROWSER_TEST_F(SigninBrowserTest, NotTrustedAfterRedirect) {
-  ChromeSigninClient* signin =
+  SigninClient* signin =
       ChromeSigninClientFactory::GetForProfile(browser()->profile());
   EXPECT_FALSE(signin->HasSigninProcess());
 
@@ -206,7 +206,7 @@ IN_PROC_BROWSER_TEST_F(SigninBrowserTest, SigninSkipForNowAndGoBack) {
   GURL start_url = signin::GetPromoURL(signin::SOURCE_START_PAGE, false);
   GURL skip_url = signin::GetLandingURL("ntp", 1);
 
-  ChromeSigninClient* signin =
+  SigninClient* signin =
       ChromeSigninClientFactory::GetForProfile(browser()->profile());
   EXPECT_FALSE(signin->HasSigninProcess());