Modified cancel and interrupt processing to avoid race with history.

chrome/browser/automation/testing_automation_provider.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/automation/testing_automation_provider.h"
 
 #include <map>
 #include <set>
 #include <string>
 #include <vector>
@@ skipping 2980 matching lines @@
         this, reply_message, false));
     selected_item->DangerousDownloadValidated();
   } else if (action == "toggle_pause") {
     selected_item->AddObserver(new AutomationProviderDownloadUpdatedObserver(
         this, reply_message, false));
     // This will still return if download has already completed.
     selected_item->TogglePause();
   } else if (action == "cancel") {
     selected_item->AddObserver(new AutomationProviderDownloadUpdatedObserver(
         this, reply_message, false));
-    selected_item->Cancel(true);
+    selected_item->Cancel();
   } else {
     AutomationJSONReply(this, reply_message)
         .SendError(StringPrintf("Invalid action '%s' given.", action.c_str()));
   }
 }
 
 // Sample JSON input { "command": "LoadSearchEngineInfo" }
 void TestingAutomationProvider::LoadSearchEngineInfo(
     Browser* browser,
     DictionaryValue* args,
@@ skipping 3040 matching lines @@
   IPC::ParamTraits<std::vector<GURL> >::Write(reply_message_, redirects_gurl);
 
   Send(reply_message_);
   redirect_query_ = 0;
   reply_message_ = NULL;
 }
 
 void TestingAutomationProvider::OnRemoveProvider() {
   AutomationProviderList::GetInstance()->RemoveProvider(this);
 }