Move persistent gesture state to Document, add DocumentUserGestureToken

third_party/WebKit/Source/core/page/DragController.cpp

 /*
  * Copyright (C) 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Google Inc.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 16 matching lines @@
 #include "core/page/DragController.h"
 
 #include "bindings/core/v8/ExceptionStatePlaceholder.h"
 #include "core/HTMLNames.h"
 #include "core/InputTypeNames.h"
 #include "core/clipboard/DataObject.h"
 #include "core/clipboard/DataTransfer.h"
 #include "core/clipboard/DataTransferAccessPolicy.h"
 #include "core/dom/Document.h"
 #include "core/dom/DocumentFragment.h"
+#include "core/dom/DocumentUserGestureToken.h"
 #include "core/dom/Element.h"
 #include "core/dom/Node.h"
 #include "core/dom/Text.h"
 #include "core/dom/shadow/ShadowRoot.h"
 #include "core/editing/DragCaretController.h"
 #include "core/editing/EditingUtilities.h"
 #include "core/editing/Editor.h"
 #include "core/editing/FrameSelection.h"
 #include "core/editing/commands/DragAndDropCommand.h"
 #include "core/editing/serializers/Serialization.h"
@@ skipping 187 matching lines @@
 }
 
 DragSession DragController::dragUpdated(DragData* dragData) {
   return dragEnteredOrUpdated(dragData);
 }
 
 bool DragController::performDrag(DragData* dragData) {
   DCHECK(dragData);
   m_documentUnderMouse = m_page->deprecatedLocalMainFrame()->documentAtPoint(
       dragData->clientPosition());
+  UserGestureIndicator gesture(DocumentUserGestureToken::create(
+      m_documentUnderMouse, UserGestureToken::NewGesture));
   if ((m_dragDestinationAction & DragDestinationActionDHTML) &&
       m_documentIsHandlingDrag) {
     LocalFrame* mainFrame = m_page->deprecatedLocalMainFrame();
     bool preventedDefault = false;
     if (mainFrame->view()) {
       // Sending an event can result in the destruction of the view and part.
       DataTransfer* dataTransfer =
           createDraggingDataTransfer(DataTransferReadable, dragData);
       dataTransfer->setSourceOperation(dragData->draggingSourceOperationMask());
       EventHandler& eventHandler = mainFrame->eventHandler();
@@ skipping 957 matching lines @@
 }
 
 DEFINE_TRACE(DragController) {
   visitor->trace(m_page);
   visitor->trace(m_documentUnderMouse);
   visitor->trace(m_dragInitiator);
   visitor->trace(m_fileInputElementUnderMouse);
 }
 
 }  // namespace blink