Rename BrowserThread::IsWellKnownThread to IsThreadInitialized.

chrome/browser/policy/browser_policy_connector.cc

Index: chrome/browser/policy/browser_policy_connector.cc
diff --git a/chrome/browser/policy/browser_policy_connector.cc b/chrome/browser/policy/browser_policy_connector.cc
index 5d15e0616bd8693fab1b4cb71408a67272b98295..022c2e2e800241c7ae34e65b0575d03346b05b42 100644
--- a/chrome/browser/policy/browser_policy_connector.cc
+++ b/chrome/browser/policy/browser_policy_connector.cc
@@ -152,7 +152,7 @@ void BrowserPolicyConnector::Init(
     scoped_refptr<net::URLRequestContextGetter> request_context) {
   // Initialization of some of the providers requires the FILE thread; make
   // sure that threading is ready at this point.
-  DCHECK(BrowserThread::IsWellKnownThread(BrowserThread::FILE));
+  DCHECK(BrowserThread::IsThreadInitialized(BrowserThread::FILE));
   DCHECK(!is_initialized()) << "BrowserPolicyConnector::Init() called twice.";
 
   local_state_ = local_state;