content: Remove deprecated functions from blink_test_environment.*

content/test/blink_test_environment.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/test/blink_test_environment.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 100 matching lines @@
   // Flush any remaining messages before we kill ourselves.
   // http://code.google.com/p/chromium/issues/detail?id=9500
   base::RunLoop().RunUntilIdle();
 
   if (RunningOnValgrind())
     blink::WebCache::clear();
   delete test_environment;
   test_environment = NULL;
 }
 
-void SetUpTestEnvironmentForUnitTests() {
-  SetUpBlinkTestEnvironment();
-}
-
-void TearDownTestEnvironment() {
-  TearDownBlinkTestEnvironment();
-}
-
 }  // namespace content