Move PDF to PWG conversion into PrivetLocalPrintOperationImpl

chrome/browser/local_discovery/pwg_raster_converter.h

+// Copyright 2013 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.
+
+#ifndef CHROME_BROWSER_LOCAL_DISCOVERY_PWG_RASTER_CONVERTER_H_
+#define CHROME_BROWSER_LOCAL_DISCOVERY_PWG_RASTER_CONVERTER_H_
+
+#include "base/callback.h"
+#include "base/logging.h"
+#include "base/memory/ref_counted.h"
+#include "base/memory/ref_counted_memory.h"
+
+namespace base {
+class FilePath;
+}
+
+namespace local_discovery {
+
+class PWGRasterConverter {
+ public:
+  // Callback for when the PDF is converted to a PWG raster.
+  // |success| denotes whether the conversion succeeded.
+  // |temp_file| is the path to the temp file (owned by the converter) that
+  //     contains the PWG raster data.
+  typedef base::Callback<void(bool /*success*/,
+                              const base::FilePath& /*temp_file*/)>
+          ResultCallback;
+  virtual ~PWGRasterConverter() {}
+
+  static scoped_ptr<PWGRasterConverter> CreateDefault();
+
+  virtual void Start(base::RefCountedBytes* data,
+                     const ResultCallback& callback) = 0;
+};
+
+}  // namespace local_discovery
+
+#endif  // CHROME_BROWSER_LOCAL_DISCOVERY_PWG_RASTER_CONVERTER_H_