Move LazyBackgroundTaskQueueTest into extensions_unittests

extensions/browser/extensions_test.h

 // 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.
 
 #ifndef EXTENSIONS_BROWSER_EXTENSIONS_TEST_H_
 #define EXTENSIONS_BROWSER_EXTENSIONS_TEST_H_
 
+#include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace content {
 class ContentClient;
 class ContentBrowserClient;
 class TestBrowserContext;
 }
 
@@ skipping 13 matching lines @@
   ExtensionsTest();
   virtual ~ExtensionsTest();
 
   content::TestBrowserContext* browser_context() {
     return browser_context_.get();
   }
   TestExtensionsBrowserClient* extensions_browser_client() {
     return extensions_browser_client_.get();
   }
 
+  // testing::Test overrides:
+  virtual void SetUp() OVERRIDE;
+  virtual void TearDown() OVERRIDE;
+
  private:
   scoped_ptr<content::ContentClient> content_client_;
   scoped_ptr<content::ContentBrowserClient> content_browser_client_;
   scoped_ptr<content::TestBrowserContext> browser_context_;
   scoped_ptr<TestExtensionsBrowserClient> extensions_browser_client_;
 
   DISALLOW_COPY_AND_ASSIGN(ExtensionsTest);
 };
 
 }  // namespace extensions
 
 #endif  // EXTENSIONS_BROWSER_EXTENSIONS_TEST_H_