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

chrome/browser/devtools/device/adb/mock_adb_server.cc

Index: chrome/browser/devtools/device/adb/mock_adb_server.cc
diff --git a/chrome/browser/devtools/device/adb/mock_adb_server.cc b/chrome/browser/devtools/device/adb/mock_adb_server.cc
index ba61490065ce20e7cff2b9a8fd12c92846562c0a..ebf7942282b554e5d823380ab1b38698489b23fe 100644
--- a/chrome/browser/devtools/device/adb/mock_adb_server.cc
+++ b/chrome/browser/devtools/device/adb/mock_adb_server.cc
@@ -372,11 +372,10 @@ class AdbParser : SimpleHttpServer::Parser, base::NonThreadSafe {
       : callback_(callback) {
   }
 
-  virtual ~AdbParser() {
-  }
+  ~AdbParser() override {}
 
  private:
-  virtual int Consume(const char* data, int size) override {
+  int Consume(const char* data, int size) override {
     CHECK(CalledOnValidThread());
     if (!selected_socket_.empty()) {
       std::string message(data, size);