Purge ImplementsThreadSafeReferenceCounting() from the codebase now that Task is dead.

content/test/browser_test_base.h

 // Copyright (c) 2012 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.
 
 #ifndef CONTENT_TEST_BROWSER_TEST_BASE_H_
 #define CONTENT_TEST_BROWSER_TEST_BASE_H_
 
 #include "base/compiler_specific.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "net/test/test_server.h"
 
 class CommandLine;
 
 class BrowserTestBase : public testing::Test {
  public:
   BrowserTestBase();
   virtual ~BrowserTestBase();
 
   // We do this so we can be used in a Task.
   void AddRef() {}
   void Release() {}
-  static bool ImplementsThreadSafeReferenceCounting() { return false; }
 
   // Configures everything for an in process browser test, then invokes
   // BrowserMain. BrowserMain ends up invoking RunTestOnMainThreadLoop.
   virtual void SetUp() OVERRIDE;
 
   // Restores state configured in SetUp.
   virtual void TearDown() OVERRIDE;
 
   // Override this to add any custom setup code that needs to be done on the
   // main thread after the browser is created and just before calling
@@ skipping 37 matching lines @@
   void CreateTestServer(const char* test_server_base);
 
  private:
   void ProxyRunTestOnMainThreadLoop();
 
   // Testing server, started on demand.
   scoped_ptr<net::TestServer> test_server_;
 };
 
 #endif  // CONTENT_TEST_BROWSER_TEST_BASE_H_