replace newly added OVERRIDE with override in service worker unit tests

content/browser/service_worker/service_worker_controllee_request_handler_unittest.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 "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/run_loop.h"
 #include "content/browser/browser_thread_impl.h"
 #include "content/browser/fileapi/mock_url_request_delegate.h"
 #include "content/browser/service_worker/embedded_worker_test_helper.h"
@@ skipping 72 matching lines @@
   MockResourceContext mock_resource_context_;
   GURL scope_;
   GURL script_url_;
 };
 
 class ServiceWorkerTestContentBrowserClient : public TestContentBrowserClient {
  public:
   ServiceWorkerTestContentBrowserClient() {}
   virtual bool AllowServiceWorker(const GURL& scope,
                                   const GURL& first_party,
-                                  content::ResourceContext* context) OVERRIDE {
+                                  content::ResourceContext* context) override {
     return false;
   }
 };
 
 TEST_F(ServiceWorkerControlleeRequestHandlerTest, DisallowServiceWorker) {
   ServiceWorkerTestContentBrowserClient test_browser_client;
   ContentBrowserClient* old_browser_client =
       SetBrowserClientForTesting(&test_browser_client);
 
   // Store an activated worker.
@@ skipping 131 matching lines @@
   // Shouldn't crash if the ProviderHost is deleted prior to completion of
   // the database lookup.
   context()->RemoveProviderHost(kMockRenderProcessId, kMockProviderId);
   EXPECT_FALSE(provider_host_.get());
   base::RunLoop().RunUntilIdle();
   EXPECT_TRUE(sw_job->ShouldFallbackToNetwork());
   EXPECT_FALSE(sw_job->ShouldForwardToServiceWorker());
 }
 
 }  // namespace content