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

chrome/test/base/view_event_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 CHROME_TEST_BASE_VIEW_EVENT_TEST_BASE_H_
 #define CHROME_TEST_BASE_VIEW_EVENT_TEST_BASE_H_
 
 // We only want to use ViewEventTestBase in test targets which properly
 // isolate each test case by running each test in a separate process.
 // This way if a test hangs the test launcher can reliably terminate it.
@@ skipping 70 matching lines @@
 
   // Overridden from views::WidgetDelegate:
   virtual bool CanResize() const OVERRIDE;
   virtual views::View* GetContentsView() OVERRIDE;
   virtual const views::Widget* GetWidget() const OVERRIDE;
   virtual views::Widget* GetWidget() OVERRIDE;
 
   // Overridden to do nothing so that this class can be used in runnable tasks.
   void AddRef() {}
   void Release() {}
-  static bool ImplementsThreadSafeReferenceCounting() { return false; }
 
  protected:
   virtual ~ViewEventTestBase();
 
   // Returns the view that is added to the window.
   virtual views::View* CreateContentsView() = 0;
 
   // Called once the message loop is running.
   virtual void DoTestOnMessageLoop() = 0;
 
@@ skipping 48 matching lines @@
 // Convenience macro for defining a ViewEventTestBase. See class description
 // of ViewEventTestBase for details.
 #define VIEW_TEST(test_class, name) \
   TEST_F(test_class, name) {\
     StartMessageLoopAndRunTest();\
   }
 
 #endif  // defined(HAS_OUT_OF_PROC_TEST_RUNNER)
 
 #endif  // CHROME_TEST_BASE_VIEW_EVENT_TEST_BASE_H_