content: Use stl utilities from the base namespace

content/public/test/download_test_observer.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 "content/public/test/download_test_observer.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/logging.h"
@@ skipping 120 matching lines @@
   // Stop observing.  Do not do anything with it, as it is about to be gone.
   DownloadSet::iterator it = downloads_observed_.find(download);
   ASSERT_TRUE(it != downloads_observed_.end());
   downloads_observed_.erase(it);
   download->RemoveObserver(this);
 }
 
 void DownloadTestObserver::OnDownloadUpdated(DownloadItem* download) {
   // Real UI code gets the user's response after returning from the observer.
   if (download->IsDangerous() &&
-      !ContainsKey(dangerous_downloads_seen_, download->GetId())) {
+      !base::ContainsKey(dangerous_downloads_seen_, download->GetId())) {
     dangerous_downloads_seen_.insert(download->GetId());
 
     // Calling ValidateDangerousDownload() at this point will
     // cause the download to be completed twice.  Do what the real UI
     // code does: make the call as a delayed task.
     switch (dangerous_download_action_) {
       case ON_DANGEROUS_DOWNLOAD_ACCEPT:
         // Fake user click on "Accept".  Delay the actual click, as the
         // real UI would.
         BrowserThread::PostTask(
@@ skipping 294 matching lines @@
     base::MessageLoopForUI::current()->QuitWhenIdle();
 }
 
 const DownloadUrlParameters::OnStartedCallback
     DownloadTestItemCreationObserver::callback() {
   return base::Bind(
       &DownloadTestItemCreationObserver::DownloadItemCreationCallback, this);
 }
 
 }  // namespace content