Mojo: Fixes to current virtual/override style in mojo/edk/.

mojo/edk/system/shared_buffer_dispatcher_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 "mojo/edk/system/shared_buffer_dispatcher.h"
 
 #include <limits>
 
 #include "base/macros.h"
 #include "base/memory/ref_counted.h"
@@ skipping 25 matching lines @@
   EXPECT_EQ(MOJO_RESULT_OK,
             SharedBufferDispatcher::ValidateCreateOptions(
                 MakeUserPointer(&validated_options), &revalidated_options));
   EXPECT_EQ(validated_options.struct_size, revalidated_options.struct_size);
   EXPECT_EQ(validated_options.flags, revalidated_options.flags);
 }
 
 class SharedBufferDispatcherTest : public testing::Test {
  public:
   SharedBufferDispatcherTest() {}
-  virtual ~SharedBufferDispatcherTest() {}
+  ~SharedBufferDispatcherTest() override {}
 
   embedder::PlatformSupport* platform_support() { return &platform_support_; }
 
  private:
   embedder::SimplePlatformSupport platform_support_;
 
   DISALLOW_COPY_AND_ASSIGN(SharedBufferDispatcherTest);
 };
 
 // Tests valid inputs to |ValidateCreateOptions()|.
@@ skipping 233 matching lines @@
   EXPECT_EQ(MOJO_RESULT_INVALID_ARGUMENT,
             dispatcher->MapBuffer(0, 0, MOJO_MAP_BUFFER_FLAG_NONE, &mapping));
   EXPECT_FALSE(mapping);
 
   EXPECT_EQ(MOJO_RESULT_OK, dispatcher->Close());
 }
 
 }  // namespace
 }  // namespace system
 }  // namespace mojo