ShapeDetection: use mojom::Bitmap for mojo interface.

services/shape_detection/public/interfaces/facedetection.mojom

Index: services/shape_detection/public/interfaces/facedetection.mojom
diff --git a/services/shape_detection/public/interfaces/facedetection.mojom b/services/shape_detection/public/interfaces/facedetection.mojom
index 38102f80b0978b7a4aaadbc25249984207d80299..d1fcf3165eedfb83201358ffab8eb6eaa3875367 100644
--- a/services/shape_detection/public/interfaces/facedetection.mojom
+++ b/services/shape_detection/public/interfaces/facedetection.mojom
@@ -6,6 +6,7 @@
 
 module shape_detection.mojom;
 
+import "skia/public/interfaces/bitmap.mojom";
 import "ui/gfx/geometry/mojo/geometry.mojom";
 
 // Since "//ui/gfx/geometry/mojo" is not exposed to blink, we need to declare
@@ -23,7 +24,6 @@ struct FaceDetectorOptions {
 interface FaceDetection {
   // |frame_data| contains tightly packed image pixels in ARGB32 format,
   // row-major order.
-  // TODO(mcasas): Consider using mojo::Bitmap here, https://crbug.com/665488.
-  Detect(handle<shared_buffer> frame_data, uint32 width, uint32 height)
+  Detect(skia.mojom.Bitmap image)
     => (FaceDetectionResult result);
 };