Remove BrowserThread::UnsafeGetBrowserThread, add UnsafeGetMessageLoopForThread.

chrome/test/base/testing_browser_process.cc

Index: chrome/test/base/testing_browser_process.cc
diff --git a/chrome/test/base/testing_browser_process.cc b/chrome/test/base/testing_browser_process.cc
index 84008aa2e36f154c3b807fbf1cd6da360e6388f1..fc6af7431880cb6cf64b9c0cf02c729427e09a79 100644
--- a/chrome/test/base/testing_browser_process.cc
+++ b/chrome/test/base/testing_browser_process.cc
@@ -43,24 +43,10 @@ IOThread* TestingBrowserProcess::io_thread() {
   return io_thread_;
 }
 
-base::Thread* TestingBrowserProcess::file_thread() {
-  return NULL;
-}
-
-base::Thread* TestingBrowserProcess::db_thread() {
-  return NULL;
-}
-
 WatchDogThread* TestingBrowserProcess::watchdog_thread() {
   return NULL;
 }
 
-#if defined(OS_CHROMEOS)
-base::Thread* TestingBrowserProcess::web_socket_proxy_thread() {
-  return NULL;
-}
-#endif
-
 ProfileManager* TestingBrowserProcess::profile_manager() {
   return profile_manager_.get();
 }