FileAPI: Add WebFileSystem::resolveURL

Source/modules/filesystem/FileSystemClient.h

 /*
  * Copyright (C) 2013 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 20 matching lines @@
 #ifndef FileSystemClient_h
 #define FileSystemClient_h
 
 #include "modules/filesystem/FileSystemType.h"
 #include "wtf/Forward.h"
 #include "wtf/Noncopyable.h"
 
 namespace WebCore {
 
 class AsyncFileSystemCallbacks;
+class KURL;
 class Page;
 class ScriptExecutionContext;
 class WorkerClients;
 
 enum OpenFileSystemMode {
     OpenExistingFileSystem,
     CreateFileSystemIfNotPresent
 };
 
 class FileSystemClient {
     WTF_MAKE_NONCOPYABLE(FileSystemClient);
 public:
     FileSystemClient() { }
     virtual ~FileSystemClient() { }
 
     virtual bool allowFileSystem(ScriptExecutionContext*) = 0;
 
     // FIXME: move these methods to platform.
     virtual void openFileSystem(ScriptExecutionContext*, FileSystemType, PassOwnPtr<AsyncFileSystemCallbacks>, long long size, OpenFileSystemMode) = 0;
+    virtual void resolveURL(KURL, PassOwnPtr<AsyncFileSystemCallbacks>) = 0;
     virtual void deleteFileSystem(ScriptExecutionContext*, FileSystemType, PassOwnPtr<AsyncFileSystemCallbacks>) = 0;
 };
 
 void provideLocalFileSystemTo(Page*, PassOwnPtr<FileSystemClient>);
 
 void provideLocalFileSystemToWorker(WorkerClients*, PassOwnPtr<FileSystemClient>);
 
 } // namespace WebCore
 
 #endif // FileSystemClient_h