Remove DeleteTask and convert remaining users.

chrome/browser/safe_browsing/client_side_detection_host.cc

 // Copyright (c) 2011 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 "chrome/browser/safe_browsing/client_side_detection_host.h"
 
 #include <vector>
 
 #include "base/logging.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
+#include "base/message_loop_helpers.h"
 #include "base/metrics/histogram.h"
-#include "base/task.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/safe_browsing/browser_feature_extractor.h"
 #include "chrome/browser/safe_browsing/client_side_detection_service.h"
 #include "chrome/browser/safe_browsing/safe_browsing_service.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/common/safe_browsing/csd.pb.h"
 #include "chrome/common/safe_browsing/safebrowsing_messages.h"
@@ skipping 207 matching lines @@
 class CsdClient : public SafeBrowsingService::Client {
  public:
   CsdClient() {}
 
   // Method from SafeBrowsingService::Client.  This method is called on the
   // IO thread once the interstitial is going away.  This method simply deletes
   // the CsdClient object.
   virtual void OnBlockingPageComplete(bool proceed) OVERRIDE {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
     // Delete this on the UI thread since it was created there.
-    BrowserThread::PostTask(BrowserThread::UI,
-                            FROM_HERE,
-                            new DeleteTask<CsdClient>(this));
+    BrowserThread::DeleteSoon(BrowserThread::UI,
+                              FROM_HERE,
+                              this);
   }
 
  private:
-  friend class DeleteTask<CsdClient>;  // Calls the private destructor.
+  friend class base::DeleteHelper<CsdClient>;  // Calls the private destructor.
 
   // We're taking care of deleting this object.  No-one else should delete
   // this object.
   virtual ~CsdClient() {}
 
   DISALLOW_COPY_AND_ASSIGN(CsdClient);
 };
 
 // static
 ClientSideDetectionHost* ClientSideDetectionHost::Create(
@@ skipping 234 matching lines @@
   if (sb_service_) {
     sb_service_->RemoveObserver(this);
   }
   sb_service_ = service;
   if (sb_service_) {
     sb_service_->AddObserver(this);
   }
 }
 
 }  // namespace safe_browsing