Stricter user gestures for touch - measure and warn

third_party/WebKit/Source/core/html/forms/FileInputType.cpp

 /*
  * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 116 matching lines @@
 String FileInputType::valueMissingText() const
 {
     return locale().queryString(element().multiple() ? WebLocalizedString::ValidationValueMissingForMultipleFile : WebLocalizedString::ValidationValueMissingForFile);
 }
 
 void FileInputType::handleDOMActivateEvent(Event* event)
 {
     if (element().isDisabledFormControl())
         return;
 
-    if (!UserGestureIndicator::processingUserGesture())
+    if (!UserGestureIndicator::utilizeUserGesture())
         return;
 
     if (ChromeClient* chromeClient = this->chromeClient()) {
         FileChooserSettings settings;
         HTMLInputElement& input = element();
         settings.allowsDirectoryUpload = input.fastHasAttribute(webkitdirectoryAttr);
         settings.allowsMultipleFiles = settings.allowsDirectoryUpload || input.fastHasAttribute(multipleAttr);
         settings.acceptMIMETypes = input.acceptMIMETypes();
         settings.acceptFileExtensions = input.acceptFileExtensions();
         settings.selectedFiles = m_fileList->pathsForUserVisibleFiles();
@@ skipping 222 matching lines @@
     StringBuilder names;
     for (size_t i = 0; i < listSize; ++i) {
         names.append(fileList->item(i)->name());
         if (i != listSize - 1)
             names.append('\n');
     }
     return names.toString();
 }
 
 } // namespace blink