[SafeBrowsing] Conditionalize unverified download blocking on whitelist.

content/public/common/file_chooser_params.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.
 
 #ifndef CONTENT_PUBLIC_COMMON_FILE_CHOOSER_PARAMS_H_
 #define CONTENT_PUBLIC_COMMON_FILE_CHOOSER_PARAMS_H_
 
 #include <vector>
 
 #include "base/files/file_path.h"
 #include "base/strings/string16.h"
 #include "content/common/content_export.h"
+#include "url/gurl.h"
 
 namespace content {
 
 // Struct used by WebContentsDelegate.
 struct CONTENT_EXPORT FileChooserParams {
   FileChooserParams();
   ~FileChooserParams();
 
   enum Mode {
     // Requires that the file exists before allowing the user to pick it.
@@ skipping 24 matching lines @@
   std::vector<base::string16> accept_types;
 
   // Whether the caller needs native file path or not.
   bool need_local_path;
 
 #if defined(OS_ANDROID)
   // See http://www.w3.org/TR/html-media-capture for more information.
   // If true, the data should be obtained using the device's camera/mic/etc.
   bool capture;
 #endif
+
+  // If non-empty, represents the URL of the requestor if the request was
+  // initiated by a document. Note that this value should be considered
+  // untrustworthy since it is specified by the sandbox and not validated.
+  GURL requestor;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_COMMON_FILE_CHOOSER_PARAMS_H_