Service Workers: Clean up cpplint.py warnings

content/browser/service_worker/service_worker_context_unittest.cc

 // Copyright 2013 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/public/browser/service_worker_context.h"
 
 #include "base/files/scoped_temp_dir.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop.h"
 #include "content/browser/browser_thread_impl.h"
@@ skipping 67 matching lines @@
     EXPECT_TRUE(registration->active_version());
     EXPECT_EQ(expect_version_id,
               registration->active_version()->version_id());
   } else {
     EXPECT_FALSE(registration->active_version());
   }
 }
 
 class RejectInstallTestHelper : public EmbeddedWorkerTestHelper {
  public:
-  RejectInstallTestHelper(int mock_render_process_id)
+  explicit RejectInstallTestHelper(int mock_render_process_id)
       : EmbeddedWorkerTestHelper(mock_render_process_id) {}
 
   virtual void OnInstallEvent(int embedded_worker_id,
                               int request_id,
                               int active_version_id) OVERRIDE {
     SimulateSend(
         new ServiceWorkerHostMsg_InstallEventFinished(
             embedded_worker_id, request_id,
             blink::WebServiceWorkerEventResultRejected));
   }
 };
 
 class RejectActivateTestHelper : public EmbeddedWorkerTestHelper {
  public:
-  RejectActivateTestHelper(int mock_render_process_id)
+  explicit RejectActivateTestHelper(int mock_render_process_id)
       : EmbeddedWorkerTestHelper(mock_render_process_id) {}
 
   virtual void OnActivateEvent(int embedded_worker_id,
                                int request_id) OVERRIDE {
     SimulateSend(
         new ServiceWorkerHostMsg_ActivateEventFinished(
             embedded_worker_id, request_id,
             blink::WebServiceWorkerEventResultRejected));
   }
 };
@@ skipping 337 matching lines @@
       GURL("http://www.example.com"),
       base::Bind(&ExpectRegisteredWorkers,
                  SERVICE_WORKER_OK,
                  version_id,
                  false /* expect_waiting */,
                  true /* expect_active */));
   base::RunLoop().RunUntilIdle();
 }
 
 }  // namespace content