Standardize usage of virtual/override/final in chrome/browser/extensions/

chrome/browser/extensions/error_console/error_console_browsertest.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 "chrome/browser/extensions/error_console/error_console.h"
 
 #include "base/files/file_path.h"
 #include "base/prefs/pref_service.h"
 #include "base/strings/string16.h"
 #include "base/strings/stringprintf.h"
@@ skipping 136 matching lines @@
           waiting_(false),
           error_console_(error_console) {
       error_console_->AddObserver(this);
     }
     virtual ~ErrorObserver() {
       if (error_console_)
         error_console_->RemoveObserver(this);
     }
 
     // ErrorConsole::Observer implementation.
-    virtual void OnErrorAdded(const ExtensionError* error) override {
+    void OnErrorAdded(const ExtensionError* error) override {
       ++errors_observed_;
       if (errors_observed_ >= errors_expected_) {
         if (waiting_)
           base::MessageLoopForUI::current()->Quit();
       }
     }
 
-    virtual void OnErrorConsoleDestroyed() override {
-      error_console_ = NULL;
-    }
+    void OnErrorConsoleDestroyed() override { error_console_ = NULL; }
 
     // Spin until the appropriate number of errors have been observed.
     void WaitForErrors() {
       if (errors_observed_ < errors_expected_) {
         waiting_ = true;
         content::RunMessageLoop();
         waiting_ = false;
       }
     }
 
@@ skipping 14 matching lines @@
     ACTION_NAVIGATE,
     // Simulate a browser action click.
     ACTION_BROWSER_ACTION,
     // Navigate to the new tab page.
     ACTION_NEW_TAB,
     // Do nothing (errors will be caused by a background script,
     // or by a manifest/loading warning).
     ACTION_NONE
   };
 
-  virtual void SetUpInProcessBrowserTestFixture() override {
+  void SetUpInProcessBrowserTestFixture() override {
     ExtensionBrowserTest::SetUpInProcessBrowserTestFixture();
 
     // We need to enable the ErrorConsole FeatureSwitch in order to collect
     // errors. This should be enabled on any channel <= Dev, but let's make
     // sure (in case a test is running on, e.g., a beta channel).
     FeatureSwitch::error_console()->SetOverrideValue(
         FeatureSwitch::OVERRIDE_ENABLED);
   }
 
-  virtual void SetUpOnMainThread() override {
+  void SetUpOnMainThread() override {
     ExtensionBrowserTest::SetUpOnMainThread();
 
     // Errors are only kept if we have Developer Mode enabled.
     profile()->GetPrefs()->SetBoolean(prefs::kExtensionsUIDeveloperMode, true);
 
     error_console_ = ErrorConsole::Get(profile());
     CHECK(error_console_);
 
     test_data_dir_ = test_data_dir_.AppendASCII("error_console");
   }
@@ skipping 352 matching lines @@
 
   const StackTrace& stack_trace = GetStackTraceFromError(errors[0]);
   ASSERT_EQ(1u, stack_trace.size());
   CheckStackFrame(stack_trace[0],
                   script_url,
                   kAnonymousFunction,
                   12u, 20u);
 }
 
 }  // namespace extensions