Move execCommand related files in core/editing/ related files into core/editing/commands/

Source/core/editing/UndoStack.h

Index: Source/core/editing/UndoStack.h
diff --git a/Source/core/editing/UndoStack.h b/Source/core/editing/UndoStack.h
deleted file mode 100644
index ab2de28ff23788934ef4075966190d86582657ca..0000000000000000000000000000000000000000
--- a/Source/core/editing/UndoStack.h
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * Copyright (C) 2009 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * 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 UndoStack_h
-#define UndoStack_h
-
-#include "platform/heap/Handle.h"
-#include "wtf/Deque.h"
-#include "wtf/Forward.h"
-
-namespace blink {
-
-class LocalFrame;
-class UndoStep;
-
-class UndoStack final : public NoBaseWillBeGarbageCollected<UndoStack> {
-    DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(UndoStack)
-public:
-    static PassOwnPtrWillBeRawPtr<UndoStack> create();
-
-    void registerUndoStep(PassRefPtrWillBeRawPtr<UndoStep>);
-    void registerRedoStep(PassRefPtrWillBeRawPtr<UndoStep>);
-    void didUnloadFrame(const LocalFrame&);
-    bool canUndo() const;
-    bool canRedo() const;
-    void undo();
-    void redo();
-
-    DECLARE_TRACE();
-
-private:
-    UndoStack();
-
-    typedef WillBeHeapDeque<RefPtrWillBeMember<UndoStep>> UndoStepStack;
-
-    void filterOutUndoSteps(UndoStepStack&, const LocalFrame&);
-
-    bool m_inRedo;
-    UndoStepStack m_undoStack;
-    UndoStepStack m_redoStack;
-};
-
-} // namespace blink
-
-#endif