Use BlobCallback in toBlob instead of FileCallback

third_party/WebKit/Source/modules/filesystem/DOMFileSystem.h

 /*
  * Copyright (C) 2010 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
@@ skipping 26 matching lines @@
 #include "core/dom/ExecutionContextTask.h"
 #include "modules/ModulesExport.h"
 #include "modules/filesystem/DOMFileSystemBase.h"
 #include "modules/filesystem/EntriesCallback.h"
 #include "platform/heap/Handle.h"
 #include "public/platform/WebTraceLocation.h"
 
 namespace blink {
 
 class DirectoryEntry;
-class FileCallback;
+class BlobCallback;
 class FileEntry;
 class FileWriterCallback;
 
 class MODULES_EXPORT DOMFileSystem final : public DOMFileSystemBase, public ScriptWrappable, public ActiveDOMObject {
     DEFINE_WRAPPERTYPEINFO();
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(DOMFileSystem);
 public:
     static DOMFileSystem* create(ExecutionContext*, const String& name, FileSystemType, const KURL& rootURL);
 
     // Creates a new isolated file system for the given filesystemId.
     static DOMFileSystem* createIsolatedFileSystem(ExecutionContext*, const String& filesystemId);
 
     DirectoryEntry* root() const;
 
     // DOMFileSystemBase overrides.
     void addPendingCallbacks() override;
     void removePendingCallbacks() override;
     void reportError(ErrorCallback*, FileError*) override;
 
     // ActiveDOMObject overrides.
     bool hasPendingActivity() const override;
 
     void createWriter(const FileEntry*, FileWriterCallback*, ErrorCallback*);
-    void createFile(const FileEntry*, FileCallback*, ErrorCallback*);
+    void createFile(const FileEntry*, BlobCallback*, ErrorCallback*);
 
     // Schedule a callback. This should not cross threads (should be called on the same context thread).
     // FIXME: move this to a more generic place.
     template <typename CB, typename CBArg>
     static void scheduleCallback(ExecutionContext*, CB*, CBArg*);
 
     template <typename CB, typename CBArg>
     static void scheduleCallback(ExecutionContext*, CB*, const HeapVector<CBArg>&);
 
     template <typename CB, typename CBArg>
@@ skipping 125 matching lines @@
 void DOMFileSystem::scheduleCallback(ExecutionContext* executionContext, CB* callback)
 {
     ASSERT(executionContext->isContextThread());
     if (callback)
         executionContext->postTask(BLINK_FROM_HERE, adoptPtr(new DispatchCallbackNoArgTask<CB>(callback)));
 }
 
 } // namespace blink
 
 #endif // DOMFileSystem_h