| OLD | NEW |
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| 1 /* | 1 /* |
| 2 * Copyright (C) 2011 Google Inc. All rights reserved. | 2 * Copyright (C) 2011 Google Inc. All rights reserved. |
| 3 * | 3 * |
| 4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
| 5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
| 6 * met: | 6 * met: |
| 7 * | 7 * |
| 8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
| 9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
| 10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
| (...skipping 24 matching lines...) Expand all Loading... |
| 35 #include "platform/heap/Handle.h" | 35 #include "platform/heap/Handle.h" |
| 36 #include "wtf/RefCounted.h" | 36 #include "wtf/RefCounted.h" |
| 37 | 37 |
| 38 namespace blink { | 38 namespace blink { |
| 39 | 39 |
| 40 class LocalFrame; | 40 class LocalFrame; |
| 41 | 41 |
| 42 class UndoStep : public RefCounted<UndoStep> { | 42 class UndoStep : public RefCounted<UndoStep> { |
| 43 public: | 43 public: |
| 44 virtual ~UndoStep() { } | 44 virtual ~UndoStep() { } |
| 45 virtual void trace(Visitor*) { } | |
| 46 | 45 |
| 47 virtual bool belongsTo(const LocalFrame&) const = 0; | 46 virtual bool belongsTo(const LocalFrame&) const = 0; |
| 48 virtual void unapply() = 0; | 47 virtual void unapply() = 0; |
| 49 virtual void reapply() = 0; | 48 virtual void reapply() = 0; |
| 50 virtual EditAction editingAction() const = 0; | 49 virtual EditAction editingAction() const = 0; |
| 51 }; | 50 }; |
| 52 | 51 |
| 53 } | 52 } |
| 54 | 53 |
| 55 #endif | 54 #endif |
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