ShapeDetection: Add FaceDetectorOptions for fastMode and maxDetectedFaces

third_party/WebKit/LayoutTests/shapedetection/resources/mock-shapedetection.js

Index: third_party/WebKit/LayoutTests/shapedetection/resources/mock-shapedetection.js
diff --git a/third_party/WebKit/LayoutTests/shapedetection/resources/mock-shapedetection.js b/third_party/WebKit/LayoutTests/shapedetection/resources/mock-shapedetection.js
index e77feec1bf19694137982b069b8f5baa6b89b31a..11405a44ee5631507fec8b871bc1e1772d51bf72 100644
--- a/third_party/WebKit/LayoutTests/shapedetection/resources/mock-shapedetection.js
+++ b/third_party/WebKit/LayoutTests/shapedetection/resources/mock-shapedetection.js
@@ -22,9 +22,11 @@ let mockShapeDetectionReady = define(
       bindings.StubBindings(this.stub_).delegate = this;
     }
 
-    detectFaces(frame_data, width, height) {
+    detectFaces(frame_data, width, height, options) {
       let receivedStruct = mojo.mapBuffer(frame_data, 0, width*height*4, 0);
       this.buffer_data_ = new Uint32Array(receivedStruct.buffer);
+      this.maxDetectedFaces_ = options.maxDetectedFaces;
+      this.fastMode_ = options.fastMode;
       return Promise.resolve({
         result: {
           boundingBoxes: [
@@ -58,6 +60,14 @@ let mockShapeDetectionReady = define(
     getFrameData() {
       return this.buffer_data_;
     }
+
+    getMaxDetectedFaces() {
+     return this.maxDetectedFaces_;
+    }
+
+    getFastMode () {
+      return this.fastMode_;
+    }
   }
   return new MockShapeDetection();
 });