ShapeDetection: use mojom::Bitmap for mojo interface.

services/shape_detection/face_detection_impl_mac.mm

Index: services/shape_detection/face_detection_impl_mac.mm
diff --git a/services/shape_detection/face_detection_impl_mac.mm b/services/shape_detection/face_detection_impl_mac.mm
index b8539f0d2c3475c99496eaedcae991a27e05e4a3..41b9e619b8f6a1a3ec1fe3b7627a1e3e8dce150d 100644
--- a/services/shape_detection/face_detection_impl_mac.mm
+++ b/services/shape_detection/face_detection_impl_mac.mm
@@ -47,21 +47,19 @@ FaceDetectionImplMac::FaceDetectionImplMac(
 
 FaceDetectionImplMac::~FaceDetectionImplMac() {}
 
-void FaceDetectionImplMac::Detect(mojo::ScopedSharedBufferHandle frame_data,
-                                  uint32_t width,
-                                  uint32_t height,
+void FaceDetectionImplMac::Detect(const SkBitmap& bitmap_data,
                                   const DetectCallback& callback) {
   media::ScopedResultCallback<DetectCallback> scoped_callback(
       base::Bind(&RunCallbackWithFaces, callback),
       base::Bind(&RunCallbackWithNoFaces));
 
-  base::scoped_nsobject<CIImage> ci_image =
-      CreateCIImageFromSharedMemory(std::move(frame_data), width, height);
+  base::scoped_nsobject<CIImage> ci_image = CreateCIImageFromData(bitmap_data);
   if (!ci_image)
     return;
 
   NSArray* const features = [detector_ featuresInImage:ci_image];
 
+  int height = bitmap_data.height();

[mcasas, 2017/02/07 19:04:44]

Const.

   shape_detection::mojom::FaceDetectionResultPtr faces =
       shape_detection::mojom::FaceDetectionResult::New();
   for (CIFaceFeature* const f in features) {