Standardize usage of virtual/override/final in content/browser/

content/browser/renderer_host/text_input_client_mac_unittest.mm

 // 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.
 
 #import "content/browser/renderer_host/text_input_client_mac.h"
 
 #include "base/bind.h"
 #include "base/message_loop/message_loop.h"
 #include "base/threading/thread.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_delegate.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/renderer_host/text_input_client_message_filter.h"
 #include "content/common/text_input_client_messages.h"
 #include "content/public/test/mock_render_process_host.h"
 #include "content/public/test/test_browser_context.h"
 #include "ipc/ipc_test_sink.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "testing/gtest_mac.h"
 
 namespace content {
 
 namespace {
 const int64 kTaskDelayMs = 200;
 
 class MockRenderWidgetHostDelegate : public RenderWidgetHostDelegate {
  public:
   MockRenderWidgetHostDelegate() {}
-  virtual ~MockRenderWidgetHostDelegate() {}
+  ~MockRenderWidgetHostDelegate() override {}
 };
 
 // This test does not test the WebKit side of the dictionary system (which
 // performs the actual data fetching), but rather this just tests that the
 // service's signaling system works.
 class TextInputClientMacTest : public testing::Test {
  public:
   TextInputClientMacTest()
       : browser_context_(),
         process_factory_(),
@@ skipping 181 matching lines @@
 TEST_F(TextInputClientMacTest, TimeoutSubstring) {
   NSAttributedString* string = service()->GetAttributedSubstringFromRange(
       widget(), NSMakeRange(0, 32));
   EXPECT_EQ(nil, string);
   EXPECT_EQ(1U, ipc_sink().message_count());
   EXPECT_TRUE(ipc_sink().GetUniqueMessageMatching(
       TextInputClientMsg_StringForRange::ID));
 }
 
 }  // namespace content