Cleanup: Remove some redundant container clear() calls.

chrome/browser/extensions/api/downloads/downloads_api_browsertest.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.
 
 // Disable everything on windows only. http://crbug.com/306144
 #ifndef OS_WIN
 
 #include <algorithm>
 
 #include "base/files/file_util.h"
@@ skipping 76 matching lines @@
 
   ~DownloadsEventsListener() override {
     registrar_.Remove(this,
                       extensions::NOTIFICATION_EXTENSION_DOWNLOADS_EVENT,
                       content::NotificationService::AllSources());
     STLDeleteElements(&events_);
   }
 
   void ClearEvents() {
     STLDeleteElements(&events_);
-    events_.clear();
   }
 
   class Event {
    public:
     Event(Profile* profile,
           const std::string& event_name,
           const std::string& json_args,
           base::Time caught)
       : profile_(profile),
         event_name_(event_name),
@@ skipping 4044 matching lines @@
   EXPECT_EQ(downloads::FILENAME_CONFLICT_ACTION_PROMPT, conflict_action);
   EXPECT_FALSE(warnings.empty());
   EXPECT_EQ(Warning::kDownloadFilenameConflict,
             warnings.begin()->warning_type());
   EXPECT_EQ("incumbent", warnings.begin()->extension_id());
 }
 
 }  // namespace extensions
 
 #endif  // http://crbug.com/3061144