[SafeBrowsing] Conditionalize unverified download blocking on whitelist.

third_party/WebKit/public/web/WebFileChooserParams.h

 /*
  * Copyright (C) 2010, 2011 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebFileChooserParams_h
 #define WebFileChooserParams_h
 
 #include "../platform/WebString.h"
+#include "../platform/WebURL.h"
 #include "../platform/WebVector.h"
 #include "WebFileChooserCompletion.h"
 
 namespace blink {
 
 struct WebFileChooserParams {
     // If |multiSelect| is true, the dialog allows the user to select multiple files.
     bool multiSelect;
     // If |directory| is true, the dialog allows the user to select a directory.
     bool directory;
@@ skipping 24 matching lines @@
     // indicated in |acceptTypes| should be obtained from the device's
     // environment using a media capture mechanism. |capture| is deprecated and
     // provided for compatibility reasons.
     WebString capture;
     bool useMediaCapture;
     // Whether WebFileChooserCompletion needs local paths or not. If the result
     // of file chooser is handled by the implementation of
     // WebFileChooserCompletion that can handle files without local paths,
     // 'false' should be specified to the flag.
     bool needLocalPath;
+    // If non-empty, represents the URL of the requestor if the request was
+    // initiated by a document.
+    WebURL requestor;
 
     WebFileChooserParams()
         : multiSelect(false)
         , directory(false)
         , saveAs(false)
         , useMediaCapture(false)
         , needLocalPath(true)
     {
     }
 };
 
 } // namespace blink
 
 #endif