ShapeDetection: Add FaceDetectorOptions for fastMode and maxDetectedFaces

third_party/WebKit/Source/modules/shapedetection/FaceDetectorOptions.idl

Index: third_party/WebKit/Source/modules/shapedetection/FaceDetectorOptions.idl
diff --git a/third_party/WebKit/Source/modules/shapedetection/FaceDetectorOptions.idl b/third_party/WebKit/Source/modules/shapedetection/FaceDetectorOptions.idl
new file mode 100644
index 0000000000000000000000000000000000000000..3ee1e7e35696e7a51eb19d7bf609078eed3c1b9a
--- /dev/null
+++ b/third_party/WebKit/Source/modules/shapedetection/FaceDetectorOptions.idl
@@ -0,0 +1,10 @@
+// Copyright 2016 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.
+
+// https://wicg.github.io/shape-detection-api/#face-detection-api
+
+dictionary FaceDetectorOptions {
+  unsigned short maxDetectedFaces = 10;
+  boolean fastMode = false;
+};