[SafeBrowsing] Conditionalize unverified download blocking on whitelist.

third_party/WebKit/Source/web/ChromeClientImpl.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
  *
  * 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.
@@ skipping 609 matching lines @@
 
     WebFileChooserParams params;
     params.multiSelect = fileChooser->settings().allowsMultipleFiles;
     params.directory = fileChooser->settings().allowsDirectoryUpload;
     params.acceptTypes = fileChooser->settings().acceptTypes();
     params.selectedFiles = fileChooser->settings().selectedFiles;
     if (params.selectedFiles.size() > 0)
         params.initialValue = params.selectedFiles[0];
     params.useMediaCapture = fileChooser->settings().useMediaCapture;
     params.needLocalPath = fileChooser->settings().allowsDirectoryUpload;
+    params.requestor = frame->document()->url();
 
     WebFileChooserCompletionImpl* chooserCompletion = new WebFileChooserCompletionImpl(fileChooser);
     if (client->runFileChooser(params, chooserCompletion))
         return;
     // Choosing failed, so do callback with an empty list.
     chooserCompletion->didChooseFile(WebVector<WebString>());
 }
 
 void ChromeClientImpl::enumerateChosenDirectory(FileChooser* fileChooser)
 {
@@ skipping 361 matching lines @@
     return m_webView->elasticOverscroll();
 }
 
 void ChromeClientImpl::didObserveNonGetFetchFromScript() const
 {
     if (m_webView->pageImportanceSignals())
         m_webView->pageImportanceSignals()->setIssuedNonGetFetchFromScript();
 }
 
 } // namespace blink