Add CreateFileSystemOperation() method to FileSystemContext

webkit/fileapi/file_system_context.h

Index: webkit/fileapi/file_system_context.h
diff --git a/webkit/fileapi/file_system_context.h b/webkit/fileapi/file_system_context.h
index 924dfb53cc99f6683174c6a53a01727674976a63..a2ce512486fd556f7bae9f741c59e5ba1353a900 100644
--- a/webkit/fileapi/file_system_context.h
+++ b/webkit/fileapi/file_system_context.h
@@ -29,6 +29,7 @@ class FileSystemCallbackDispatcher;
 class FileSystemContext;
 class FileSystemFileUtil;
 class FileSystemMountPointProvider;
+class FileSystemOperationInterface;
 class FileSystemOptions;
 class FileSystemPathManager;
 class FileSystemQuotaUtil;
@@ -99,6 +100,13 @@ class FileSystemContext
       bool create,
       FileSystemCallbackDispatcher* dispatcher);
 
+  // Creates a new FileSystemOperation based on the given |url| that
+  // must be pointing to the target filesystem entry of the operation.
+  FileSystemOperationInterface* CreateFileSystemOperation(
+      const GURL& url,
+      FileSystemCallbackDispatcher* dispatcher,
+      base::MessageLoopProxy* file_proxy);
+
  private:
   friend struct DefaultContextDeleter;
   void DeleteOnCorrectThread() const;