Linux/ChromeOS Chromium style checker cleanup, chrome/browser/extensions edition.

chrome/browser/extensions/api/downloads/downloads_api_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 <algorithm>
 
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/json/json_reader.h"
 #include "base/message_loop.h"
@@ skipping 140 matching lines @@
     std::string json_args_;
     scoped_ptr<base::Value> args_;
     base::Time caught_;
 
     DISALLOW_COPY_AND_ASSIGN(Event);
   };
 
   typedef ExtensionDownloadsEventRouter::DownloadsNotificationSource
     DownloadsNotificationSource;
 
-  void Observe(int type, const content::NotificationSource& source,
-               const content::NotificationDetails& details) {
+  virtual void Observe(int type,
+                       const content::NotificationSource& source,
+                       const content::NotificationDetails& details) OVERRIDE {
     switch (type) {
       case chrome::NOTIFICATION_EXTENSION_DOWNLOADS_EVENT:
         {
           DownloadsNotificationSource* dns =
               content::Source<DownloadsNotificationSource>(source).ptr();
           Event* new_event = new Event(
               dns->profile,
               dns->event_name,
               *content::Details<std::string>(details).ptr(), base::Time::Now());
           events_.push_back(new_event);
@@ skipping 1955 matching lines @@
                           "  \"state\": {"
                           "    \"previous\": \"in_progress\","
                           "    \"current\": \"complete\"}}]",
                           result_id,
                           GetFilename("on_record.txt.crdownload").c_str(),
                           GetFilename("on_record.txt").c_str())));
   std::string disk_data;
   EXPECT_TRUE(file_util::ReadFileToString(item->GetFullPath(), &disk_data));
   EXPECT_STREQ(kPayloadData, disk_data.c_str());
 }