Update {virtual,override,final} to follow C++11 style in base.

base/android/scoped_java_ref_unittest.cc

 // Copyright (c) 2012 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 "base/android/scoped_java_ref.h"
 
 #include "base/android/jni_android.h"
 #include "base/android/jni_string.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
@@ skipping 22 matching lines @@
 }
 
 void DeleteLocalRef(JNIEnv* env, jobject obj) {
   --g_local_refs;
   return g_previous_functions->DeleteLocalRef(env, obj);
 }
 }  // namespace
 
 class ScopedJavaRefTest : public testing::Test {
  protected:
-  virtual void SetUp() {
+  void SetUp() override {
     g_local_refs = 0;
     g_global_refs = 0;
     JNIEnv* env = AttachCurrentThread();
     g_previous_functions = env->functions;
     hooked_functions = *g_previous_functions;
     env->functions = &hooked_functions;
     // We inject our own functions in JNINativeInterface so we can keep track
     // of the reference counting ourselves.
     hooked_functions.NewGlobalRef = &NewGlobalRef;
     hooked_functions.DeleteGlobalRef = &DeleteGlobalRef;
     hooked_functions.NewLocalRef = &NewLocalRef;
     hooked_functions.DeleteLocalRef = &DeleteLocalRef;
   }
 
-  virtual void TearDown() {
+  void TearDown() override {
     JNIEnv* env = AttachCurrentThread();
     env->functions = g_previous_functions;
   }
   // From JellyBean release, the instance of this struct provided in JNIEnv is
   // read-only, so we deep copy it to allow individual functions to be hooked.
   JNINativeInterface hooked_functions;
 };
 
 // The main purpose of this is testing the various conversions compile.
 TEST_F(ScopedJavaRefTest, Conversions) {
@@ skipping 44 matching lines @@
     ScopedJavaGlobalRef<jobject> global_obj2(global_obj);
     EXPECT_EQ(2, g_global_refs);
   }
 
   EXPECT_EQ(0, g_local_refs);
   EXPECT_EQ(0, g_global_refs);
 }
 
 }  // namespace android
 }  // namespace base