Remove InlineLoginHandlerChromeOS and exclude InlineLoginUI from CrOS build.

chrome/browser/chromeos/login/saml/saml_browsertest.cc

Index: chrome/browser/chromeos/login/saml/saml_browsertest.cc
diff --git a/chrome/browser/chromeos/login/saml/saml_browsertest.cc b/chrome/browser/chromeos/login/saml/saml_browsertest.cc
index f4d855d4fe66572f90dc6e9b54c4175c5c1721f9..0e963250a389cf961ce1f8180ce346fcf6842513 100644
--- a/chrome/browser/chromeos/login/saml/saml_browsertest.cc
+++ b/chrome/browser/chromeos/login/saml/saml_browsertest.cc
@@ -42,7 +42,7 @@
 #include "chrome/browser/chromeos/settings/cros_settings.h"
 #include "chrome/browser/policy/test/local_policy_test_server.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/webui/signin/inline_login_ui.h"
+#include "chrome/browser/ui/webui/signin/get_auth_frame.h"
 #include "chrome/common/chrome_constants.h"
 #include "chrome/common/chrome_paths.h"
 #include "chrome/common/chrome_switches.h"
@@ -866,8 +866,8 @@ guest_view::TestGuestViewManager* SAMLEnrollmentTest::GetGuestViewManager() {
 }
 
 content::WebContents* SAMLEnrollmentTest::GetEnrollmentContents() {
-  content::RenderFrameHost* frame_host = InlineLoginUI::GetAuthFrame(
-      GetLoginUI()->GetWebContents(), GURL(), gaia_frame_parent_);
+  content::RenderFrameHost* frame_host =
+      signin::GetAuthFrame(GetLoginUI()->GetWebContents(), gaia_frame_parent_);
   if (!frame_host)
     return nullptr;
   return content::WebContents::FromRenderFrameHost(frame_host);