Mac QICRCodeFeature: forward declare in base/mac/sdk_forward_declarations.h

services/shape_detection/barcode_detection_impl_mac.mm

 // Copyright 2017 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.
 
 #include "services/shape_detection/barcode_detection_impl_mac.h"
 
+#import <QuartzCore/QuartzCore.h>
+
 #include "base/mac/mac_util.h"
 #include "base/mac/scoped_cftyperef.h"
 #include "base/mac/sdk_forward_declarations.h"
 #include "base/strings/sys_string_conversions.h"
 #include "media/capture/video/scoped_result_callback.h"
 #include "mojo/public/cpp/bindings/strong_binding.h"
 #include "services/shape_detection/barcode_detection_impl.h"
 #include "services/shape_detection/detection_utils_mac.h"
 
 namespace shape_detection {
@@ skipping 68 matching lines @@
                                        height - f.bottomRight.y);
     result->corner_points.emplace_back(f.bottomLeft.x, height - f.bottomLeft.y);
 
     result->raw_value = base::SysNSStringToUTF8(f.messageString);
     results.push_back(std::move(result));
   }
   scoped_callback.Run(std::move(results));
 }
 
 }  // namespace shape_detection