Standardize usage of virtual/override/final in mojo/

mojo/public/cpp/bindings/tests/validation_unittest.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 <stdio.h>
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 162 matching lines @@
       result = "PASS";
     else
       result = mojo::internal::ValidationErrorToString(observer.last_error());
 
     EXPECT_EQ(expected, result) << "failed test: " << tests[i];
   }
 }
 
 class DummyMessageReceiver : public MessageReceiver {
  public:
-  virtual bool Accept(Message* message) override {
+  bool Accept(Message* message) override {
     return true;  // Any message is OK.
   }
 };
 
 class ValidationTest : public testing::Test {
  public:
   virtual ~ValidationTest() {}
 
  private:
   Environment env_;
@@ skipping 25 matching lines @@
   MessageReceiver* test_message_receiver() { return test_message_receiver_; }
 
   ScopedMessagePipeHandle testee_endpoint() { return testee_endpoint_.Pass(); }
 
  private:
   class TestMessageReceiver : public MessageReceiver {
    public:
     TestMessageReceiver(ValidationIntegrationTest* owner,
                         ScopedMessagePipeHandle handle)
         : owner_(owner), connector_(handle.Pass()) {}
-    virtual ~TestMessageReceiver() {}
+    ~TestMessageReceiver() override {}
 
-    virtual bool Accept(Message* message) override {
+    bool Accept(Message* message) override {
       bool rv = connector_.Accept(message);
       owner_->PumpMessages();
       return rv;
     }
 
    public:
     ValidationIntegrationTest* owner_;
     mojo::internal::Connector connector_;
   };
 
   void PumpMessages() { loop_.RunUntilIdle(); }
 
   RunLoop loop_;
   TestMessageReceiver* test_message_receiver_;
   ScopedMessagePipeHandle testee_endpoint_;
 };
 
 class IntegrationTestInterface1Client : public IntegrationTestInterface1 {
  public:
-  virtual ~IntegrationTestInterface1Client() {}
+  ~IntegrationTestInterface1Client() override {}
 
-  virtual void Method0(BasicStructPtr param0) override {}
+  void Method0(BasicStructPtr param0) override {}
 };
 
 class IntegrationTestInterface1Impl
     : public InterfaceImpl<IntegrationTestInterface1> {
  public:
-  virtual ~IntegrationTestInterface1Impl() {}
+  ~IntegrationTestInterface1Impl() override {}
 
-  virtual void Method0(BasicStructPtr param0) override {}
+  void Method0(BasicStructPtr param0) override {}
 };
 
 TEST_F(ValidationTest, InputParser) {
   {
     // The parser, as well as Append() defined above, assumes that this code is
     // running on a little-endian platform. Test whether that is true.
     uint16_t x = 1;
     ASSERT_EQ(1, *(reinterpret_cast<char*>(&x)));
   }
   {
@@ skipping 138 matching lines @@
   IntegrationTestInterface1Impl* interface1_impl =
       BindToPipe(new IntegrationTestInterface1Impl(), testee_endpoint().Pass());
   interface1_impl->internal_state()->router()->EnableTestingMode();
 
   RunValidationTests("integration_", test_message_receiver());
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace mojo