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

content/browser/download/download_item_impl_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/callback.h"
 #include "base/command_line.h"
 #include "base/message_loop/message_loop.h"
 #include "base/stl_util.h"
 #include "base/threading/thread.h"
 #include "content/browser/byte_stream.h"
@@ skipping 103 matching lines @@
       : item_(item),
         last_state_(item->GetState()),
         removed_(false),
         destroyed_(false),
         updated_(false),
         interrupt_count_(0),
         resume_count_(0) {
       item_->AddObserver(this);
     }
 
-    virtual ~MockObserver() {
+    ~MockObserver() override {
       if (item_) item_->RemoveObserver(this);
     }
 
-    virtual void OnDownloadRemoved(DownloadItem* download) override {
+    void OnDownloadRemoved(DownloadItem* download) override {
       DVLOG(20) << " " << __FUNCTION__
                 << " download = " << download->DebugString(false);
       removed_ = true;
     }
 
-    virtual void OnDownloadUpdated(DownloadItem* download) override {
+    void OnDownloadUpdated(DownloadItem* download) override {
       DVLOG(20) << " " << __FUNCTION__
                 << " download = " << download->DebugString(false);
       updated_ = true;
       DownloadItem::DownloadState new_state = download->GetState();
       if (last_state_ == DownloadItem::IN_PROGRESS &&
           new_state == DownloadItem::INTERRUPTED) {
         interrupt_count_++;
       }
       if (last_state_ == DownloadItem::INTERRUPTED &&
           new_state == DownloadItem::IN_PROGRESS) {
         resume_count_++;
       }
       last_state_ = new_state;
     }
 
-    virtual void OnDownloadOpened(DownloadItem* download) override {
+    void OnDownloadOpened(DownloadItem* download) override {
       DVLOG(20) << " " << __FUNCTION__
                 << " download = " << download->DebugString(false);
     }
 
-    virtual void OnDownloadDestroyed(DownloadItem* download) override {
+    void OnDownloadDestroyed(DownloadItem* download) override {
       DVLOG(20) << " " << __FUNCTION__
                 << " download = " << download->DebugString(false);
       destroyed_ = true;
       item_->RemoveObserver(this);
       item_ = NULL;
     }
 
     bool CheckRemoved() {
       return removed_;
     }
@@ skipping 1127 matching lines @@
                  base::Unretained(&returned_path)));
   RunAllPendingInMessageLoops();
   EXPECT_TRUE(returned_path.empty());
 }
 
 TEST(MockDownloadItem, Compiles) {
   MockDownloadItem mock_item;
 }
 
 }  // namespace content