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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef UnderlyingSource_h |
| 6 #define UnderlyingSource_h |
| 7 |
| 8 #include "platform/heap/Heap.h" |
| 9 |
| 10 namespace blink { |
| 11 |
| 12 class ExceptionState; |
| 13 |
| 14 class UnderlyingSource : public GarbageCollectedFinalized<UnderlyingSource> { |
| 15 public: |
| 16 virtual ~UnderlyingSource() { } |
| 17 virtual ScriptPromise startSource(ExceptionState*) = 0; |
| 18 virtual void pullSource(ExceptionState*) = 0; |
| 19 virtual void cancelSource(ExceptionState*) = 0; |
| 20 virtual void trace(Visitor*) { } |
| 21 }; |
| 22 |
| 23 } // namespace blink |
| 24 |
| 25 #endif // UnderlyingSource_h |
| 26 |
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