C++11 override style change for athena

athena/content/content_proxy_browsertest.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 "athena/activity/public/activity.h"
 #include "athena/activity/public/activity_view_model.h"
 #include "athena/resource_manager/public/resource_manager.h"
 #include "athena/test/chrome/athena_browsertest.h"
 #include "athena/test/chrome/test_util.h"
 #include "base/command_line.h"
 #include "base/strings/utf_string_conversions.h"
 #include "ui/compositor/compositor_switches.h"
 #include "ui/gfx/image/image_skia.h"
 #include "ui/gfx/size.h"
 #include "url/gurl.h"
 
 namespace athena {
 
 namespace {
 // The test URL to navigate to.
 const char kTestUrl[] = "chrome:about";
 }
 
 // Need to override the test class to make the test always draw its content.
 class ContentProxyBrowserTest : public AthenaBrowserTest {
  public:
   ContentProxyBrowserTest() {}
-  virtual ~ContentProxyBrowserTest() {}
+  ~ContentProxyBrowserTest() override {}
 
   // AthenaBrowserTest:
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     // Make sure that we draw the output - it's required for this test.
     command_line->AppendSwitch(switches::kEnablePixelOutputInTests);
     AthenaBrowserTest::SetUpCommandLine(command_line);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(ContentProxyBrowserTest);
 };
 
 IN_PROC_BROWSER_TEST_F(ContentProxyBrowserTest, CreateContent) {
@@ skipping 66 matching lines @@
   activity1->SetCurrentState(Activity::ACTIVITY_VISIBLE);
   test_util::WaitUntilIdle();
   DCHECK_EQ(activity1->GetCurrentState(), Activity::ACTIVITY_VISIBLE);
 
   DCHECK_EQ(activity1->GetActivityViewModel()->GetOverviewModeImage()
                 .size().ToString(),
             gfx::Size().ToString());
 }
 
 }  // namespace athena