[Downloads] Allow acquiring dangerous download file.

content/browser/download/download_stats.h

 // 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.
 //
 // Holds helpers for gathering UMA stats about downloads.
 
 #ifndef CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_STATS_H_
 #define CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_STATS_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
+#include "content/public/browser/download_danger_type.h"
 #include "content/public/browser/download_interrupt_reasons.h"
 
 namespace base {
 class Time;
 class TimeDelta;
 class TimeTicks;
 }
 
 namespace content {
 
@@ skipping 61 matching lines @@
   INITIATED_BY_RENDERER,
 
   // The download was initiated by a renderer or plugin process through
   // the IPC ViewHostMsg_SaveURLAs; currently this is only used by the
   // Pepper plugin API.
   INITIATED_BY_PEPPER_SAVE,
 
   DOWNLOAD_SOURCE_LAST_ENTRY
 };
 
+enum DownloadDiscardReason {
+  // The download is being discarded due to a user action.
+  DOWNLOAD_DISCARD_DUE_TO_USER_ACTION,
+
+  // The download is being discarded due to the browser being shut down.
+  DOWNLOAD_DISCARD_DUE_TO_SHUTDOWN
+};
+
 // Increment one of the above counts.
 void RecordDownloadCount(DownloadCountTypes type);
 
 // Record initiation of a download from a specific source.
 void RecordDownloadSource(DownloadSource source);
 
 // Record COMPLETED_COUNT and how long the download took.
 void RecordDownloadCompleted(const base::TimeTicks& start, int64 download_len);
 
 // Record INTERRUPTED_COUNT, |reason|, |received| and |total| bytes.
 void RecordDownloadInterrupted(DownloadInterruptReason reason,
                                int64 received,
                                int64 total);
 
+// Record a dangerous download accept event.
+void RecordDangerousDownloadAccept(DownloadDangerType danger_type);
+
+// Record a dangerous download discard event.
+void RecordDangerousDownloadDiscard(DownloadDiscardReason reason,
+                                    DownloadDangerType danger_type);
+
 // Records the mime type of the download.
 void RecordDownloadMimeType(const std::string& mime_type);
 
 // Records usage of Content-Disposition header.
 void RecordDownloadContentDisposition(const std::string& content_disposition);
 
 // Record WRITE_SIZE_COUNT and data_len.
 void RecordDownloadWriteSize(size_t data_len);
 
 // Record WRITE_LOOP_COUNT and number of loops.
@@ skipping 51 matching lines @@
   SAVE_PACKAGE_WRITE_TO_FAILED,
 
   SAVE_PACKAGE_LAST_ENTRY
 };
 
 void RecordSavePackageEvent(SavePackageEvent event);
 
 }  // namespace content
 
 #endif  // CONTENT_BROWSER_DOWNLOAD_DOWNLOAD_STATS_H_