Use BlobCallback in toBlob instead of FileCallback

third_party/WebKit/Source/core/html/canvas/CanvasAsyncBlobCreator.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "core/CoreExport.h"
 #include "core/dom/DOMTypedArray.h"
 #include "core/dom/ExecutionContext.h"
-#include "core/fileapi/FileCallback.h"
+#include "core/fileapi/BlobCallback.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/heap/Handle.h"
 #include "wtf/OwnPtr.h"
 #include "wtf/PassOwnPtr.h"
 #include "wtf/Vector.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class PNGImageEncoderState;
 
 class CORE_EXPORT CanvasAsyncBlobCreator
     : public RefCounted<CanvasAsyncBlobCreator> {
 public:
-    static PassRefPtr<CanvasAsyncBlobCreator> create(PassRefPtr<DOMUint8ClampedArray> unpremultipliedRGBAImageData, const String& mimeType, const IntSize&, FileCallback*, ExecutionContext*);
+    static PassRefPtr<CanvasAsyncBlobCreator> create(PassRefPtr<DOMUint8ClampedArray> unpremultipliedRGBAImageData, const String& mimeType, const IntSize&, BlobCallback*, ExecutionContext*);
     void scheduleAsyncBlobCreation(bool canUseIdlePeriodScheduling, double quality = 0.0);
     virtual ~CanvasAsyncBlobCreator();
 
 protected:
-    CanvasAsyncBlobCreator(PassRefPtr<DOMUint8ClampedArray> data, const String& mimeType, const IntSize&, FileCallback*);
+    CanvasAsyncBlobCreator(PassRefPtr<DOMUint8ClampedArray> data, const String& mimeType, const IntSize&, BlobCallback*);
     virtual void scheduleCreateBlobAndCallOnMainThread();
     virtual void scheduleCreateNullptrAndCallOnMainThread();
     virtual void scheduleClearSelfRefOnMainThread();
     std::atomic<bool> m_cancelled;
 
 private:
     friend class CanvasAsyncBlobCreatorTest;
 
     OwnPtr<PNGImageEncoderState> m_encoderState;
     RefPtr<DOMUint8ClampedArray> m_data;
     OwnPtr<Vector<unsigned char>> m_encodedImage;
     int m_numRowsCompleted;
 
     const IntSize m_size;
     size_t m_pixelRowStride;
     const String m_mimeType;
-    Persistent<FileCallback> m_callback;
+    Persistent<BlobCallback> m_callback;
 
     RefPtr<CanvasAsyncBlobCreator> m_selfRef;
     void clearSelfReference();
 
     void initiatePngEncoding(double deadlineSeconds);
     void scheduleIdleEncodeRowsPng();
     void idleEncodeRowsPng(double deadlineSeconds);
 
     void createBlobAndCall();
 
     void encodeImageOnEncoderThread(double quality);
     bool initializeEncodeImageOnEncoderThread();
     void nonprogressiveEncodeImageOnEncoderThread(double quality);
     void progressiveEncodeImageOnEncoderThread();
 
     class ContextObserver;
     void createContextObserver(ExecutionContext*);
     OwnPtrWillBePersistent<ContextObserver> m_contextObserver;
 };
 
 } // namespace blink