Rename NoEventDispatchAssertion to EventDispatchForbiddenScope and move it to platform/

Source/core/editing/UndoStack.cpp

 /*
  * Copyright (C) 2006, 2007 Apple, Inc.  All rights reserved.
  * Copyright (C) 2012 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:
  * 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 10 matching lines @@
  * 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.
  */
 
 #include "config.h"
 #include "core/editing/UndoStack.h"
 
 #include "core/dom/ContainerNode.h"
-#include "core/dom/NoEventDispatchAssertion.h"
 #include "core/editing/UndoStep.h"
+#include "platform/EventDispatchForbiddenScope.h"
 #include "wtf/TemporaryChange.h"
 
 namespace blink {
 
 // Arbitrary depth limit for the undo stack, to keep it from using
 // unbounded memory. This is the maximum number of distinct undoable
 // actions -- unbroken stretches of typed characters are coalesced
 // into a single action.
 static const size_t maximumUndoStackDepth = 1000;
 
@@ skipping 18 matching lines @@
     m_undoStack.append(step);
 }
 
 void UndoStack::registerRedoStep(PassRefPtrWillBeRawPtr<UndoStep> step)
 {
     m_redoStack.append(step);
 }
 
 void UndoStack::didUnloadFrame(const LocalFrame& frame)
 {
-    NoEventDispatchAssertion assertNoEventDispatch;
+    EventDispatchForbiddenScope assertNoEventDispatch;
     filterOutUndoSteps(m_undoStack, frame);
     filterOutUndoSteps(m_redoStack, frame);
 }
 
 void UndoStack::filterOutUndoSteps(UndoStepStack& stack, const LocalFrame& frame)
 {
     UndoStepStack newStack;
     while (!stack.isEmpty()) {
         UndoStep* step = stack.first().get();
         if (!step->belongsTo(frame))
@@ skipping 38 matching lines @@
     }
 }
 
 void UndoStack::trace(Visitor* visitor)
 {
     visitor->trace(m_undoStack);
     visitor->trace(m_redoStack);
 }
 
 } // namespace blink