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

chrome/browser/devtools/devtools_sanity_browsertest.cc

Index: chrome/browser/devtools/devtools_sanity_browsertest.cc
diff --git a/chrome/browser/devtools/devtools_sanity_browsertest.cc b/chrome/browser/devtools/devtools_sanity_browsertest.cc
index 7aca3686a5c0cd6e9027f0da7da889297f6c04a5..eb7d5612c9e63108fa5015d7cf2128fefcb81853 100644
--- a/chrome/browser/devtools/devtools_sanity_browsertest.cc
+++ b/chrome/browser/devtools/devtools_sanity_browsertest.cc
@@ -159,7 +159,7 @@ class DevToolsWindowBeforeUnloadObserver
   void Wait();
  private:
   // Invoked when the beforeunload handler fires.
-  virtual void BeforeUnloadFired(const base::TimeTicks& proceed_time) override;
+  void BeforeUnloadFired(const base::TimeTicks& proceed_time) override;
 
   bool m_fired;
   scoped_refptr<content::MessageLoopRunner> message_loop_runner_;
@@ -189,7 +189,7 @@ void DevToolsWindowBeforeUnloadObserver::BeforeUnloadFired(
 
 class DevToolsBeforeUnloadTest: public DevToolsSanityTest {
  public:
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     command_line->AppendSwitch(
         switches::kDisableHangMonitor);
   }
@@ -286,7 +286,7 @@ class DevToolsBeforeUnloadTest: public DevToolsSanityTest {
 
 class DevToolsUnresponsiveBeforeUnloadTest: public DevToolsBeforeUnloadTest {
  public:
-  virtual void SetUpCommandLine(CommandLine* command_line) override {}
+  void SetUpCommandLine(CommandLine* command_line) override {}
 };
 
 void TimeoutCallback(const std::string& timeout_message) {
@@ -368,9 +368,9 @@ class DevToolsExtensionTest : public DevToolsSanityTest,
     return true;
   }
 
-  virtual void Observe(int type,
-                       const content::NotificationSource& source,
-                       const content::NotificationDetails& details) override {
+  void Observe(int type,
+               const content::NotificationSource& source,
+               const content::NotificationDetails& details) override {
     switch (type) {
       case extensions::NOTIFICATION_EXTENSION_LOADED_DEPRECATED:
       case extensions::NOTIFICATION_EXTENSION_HOST_DID_STOP_LOADING:
@@ -387,7 +387,7 @@ class DevToolsExtensionTest : public DevToolsSanityTest,
 
 class DevToolsExperimentalExtensionTest : public DevToolsExtensionTest {
  public:
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     command_line->AppendSwitch(
         extensions::switches::kEnableExperimentalExtensionApis);
   }
@@ -416,13 +416,12 @@ class WorkerDevToolsSanityTest : public InProcessBrowserTest {
         : path_(path), worker_data_(worker_data) {}
 
    private:
-    virtual ~WorkerCreationObserver() {}
+    ~WorkerCreationObserver() override {}
 
-    virtual void WorkerCreated (
-        const GURL& url,
-        const base::string16& name,
-        int process_id,
-        int route_id) override {
+    void WorkerCreated(const GURL& url,
+                       const base::string16& name,
+                       int process_id,
+                       int route_id) override {
       if (url.path().rfind(path_) == std::string::npos)
         return;
       worker_data_->worker_process_id = process_id;
@@ -443,9 +442,9 @@ class WorkerDevToolsSanityTest : public InProcessBrowserTest {
     }
 
    private:
-    virtual ~WorkerTerminationObserver() {}
+    ~WorkerTerminationObserver() override {}
 
-    virtual void WorkerDestroyed(int process_id, int route_id) override {
+    void WorkerDestroyed(int process_id, int route_id) override {
       ASSERT_EQ(worker_data_->worker_process_id, process_id);
       ASSERT_EQ(worker_data_->worker_route_id, route_id);
       WorkerService::GetInstance()->RemoveObserver(this);
@@ -919,7 +918,7 @@ IN_PROC_BROWSER_TEST_F(DevToolsAgentHostTest, TestAgentHostReleased) {
 }
 
 class RemoteDebuggingTest: public ExtensionApiTest {
-  virtual void SetUpCommandLine(CommandLine* command_line) override {
+  void SetUpCommandLine(CommandLine* command_line) override {
     ExtensionApiTest::SetUpCommandLine(command_line);
     command_line->AppendSwitchASCII(switches::kRemoteDebuggingPort, "9222");