Modified cancel and interrupt processing to avoid race with history.

chrome/browser/ui/views/download/download_item_view.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/ui/views/download/download_item_view.h"
 
 #include <vector>
 
 #include "base/callback.h"
 #include "base/file_path.h"
@@ skipping 636 matching lines @@
     state->state = ui::AccessibilityTypes::STATE_HASPOPUP;
   }
 }
 
 void DownloadItemView::ButtonPressed(
     views::Button* sender, const views::Event& event) {
   if (sender == discard_button_) {
     UMA_HISTOGRAM_LONG_TIMES("clickjacking.discard_download",
                              base::Time::Now() - creation_time_);
     if (download_->IsPartialDownload())
-      download_->Cancel(true);
+      download_->Cancel();
     download_->Delete(DownloadItem::DELETE_DUE_TO_USER_DISCARD);
     // WARNING: we are deleted at this point.  Don't access 'this'.
   } else if (sender == save_button_) {
     // The user has confirmed a dangerous download.  We'd record how quickly the
     // user did this to detect whether we're being clickjacked.
     UMA_HISTOGRAM_LONG_TIMES("clickjacking.save_download",
                              base::Time::Now() - creation_time_);
     // This will change the state and notify us.
     download_->DangerousDownloadValidated();
   }
@@ skipping 448 matching lines @@
   // If the name has changed, notify assistive technology that the name
   // has changed so they can announce it immediately.
   if (new_name != accessible_name_) {
     accessible_name_ = new_name;
     if (GetWidget()) {
       GetWidget()->NotifyAccessibilityEvent(
           this, ui::AccessibilityTypes::EVENT_NAME_CHANGED, true);
     }
   }
 }