Revert "Implement a JavaScript API for document scanning"

chrome/browser/extensions/api/document_scan/document_scan_interface_chromeos.h

-// Copyright 2014 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_EXTENSIONS_API_DOCUMENT_SCAN_DOCUMENT_SCAN_INTERFACE_CHROMEOS_H_
-#define CHROME_BROWSER_EXTENSIONS_API_DOCUMENT_SCAN_DOCUMENT_SCAN_INTERFACE_CHROMEOS_H_
-
-#include "chrome/browser/extensions/api/document_scan/document_scan_interface.h"
-#include "chromeos/dbus/lorgnette_manager_client.h"
-#include "chromeos/dbus/pipe_reader.h"
-
-namespace extensions {
-
-namespace api {
-
-class DocumentScanInterfaceChromeos : public DocumentScanInterface {
- public:
-  DocumentScanInterfaceChromeos();
-  virtual ~DocumentScanInterfaceChromeos();
-
-  virtual void ListScanners(
-      const ListScannersResultsCallback& callback) override;
-  virtual void Scan(const std::string& scanner_name,
-                    ScanMode mode,
-                    int resolution_dpi,
-                    const ScanResultsCallback& callback) override;
-
- private:
-  friend class DocumentScanInterfaceChromeosTest;
-
-  void OnScannerListReceived(
-      const ListScannersResultsCallback& callback,
-      bool succeeded,
-      const chromeos::LorgnetteManagerClient::ScannerTable &scanners);
-  void OnScanCompleted(const ScanResultsCallback &callback, bool succeeded);
-  void OnScanDataCompleted();
-  std::string GetImageURL(std::string image_data);
-  chromeos::LorgnetteManagerClient* GetLorgnetteManagerClient();
-
-  scoped_ptr<chromeos::PipeReaderForString> pipe_reader_;
-  std::string scanned_image_data_;
-  chromeos::LorgnetteManagerClient* lorgnette_manager_client_;
-
-  DISALLOW_COPY_AND_ASSIGN(DocumentScanInterfaceChromeos);
-};
-
-}  // namespace api
-
-}  // namespace extensions
-
-#endif  // CHROME_BROWSER_EXTENSIONS_API_DOCUMENT_SCAN_DOCUMENT_SCAN_INTERFACE_CHROMEOS_H_