Remove BrowserThread::UnsafeGetBrowserThread, add UnsafeGetMessageLoopForThread.

content/browser/browser_thread_impl.cc

Index: content/browser/browser_thread_impl.cc
diff --git a/content/browser/browser_thread_impl.cc b/content/browser/browser_thread_impl.cc
index 9cea8f45a24cc542b47ee2acbe68d052e35bb50f..f37c5b415f9798df2bf3477bf46184b6e72e7d3d 100644
--- a/content/browser/browser_thread_impl.cc
+++ b/content/browser/browser_thread_impl.cc
@@ -395,17 +395,16 @@ BrowserThread::GetMessageLoopProxyForThread(
   return proxy;
 }
 
-base::Thread* BrowserThread::UnsafeGetBrowserThread(ID identifier) {
+// static
+MessageLoop* BrowserThread::UnsafeGetMessageLoopForThread(ID identifier) {
   base::AutoLock lock(g_lock.Get());
   base::Thread* thread = g_browser_threads[identifier];
   DCHECK(thread);
-  return thread;
-}
-
-MessageLoop* BrowserThread::UnsafeGetMessageLoop(ID identifier) {
-  return UnsafeGetBrowserThread(identifier)->message_loop();
+  MessageLoop* loop = thread->message_loop();
+  return loop;
 }
 
+// static
 void BrowserThread::SetDelegate(ID identifier,
                                 BrowserThreadDelegate* delegate) {
   using base::subtle::AtomicWord;