Shapedetection module: Blink side implementation

third_party/WebKit/public/platform/modules/shapedetection/shapedetection.mojom

+// Copyright 2015 The Chromium Authors. All rights reserved.

[mcasas, 2016/10/03 21:02:46]

s/2015/2016/

[xianglu, 2016/10/03 22:00:06]

Done.

+// 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/#api
+
+module blink.mojom;
+
+import "ui/gfx/geometry/mojo/geometry.mojom";
+
+// Because "//ui/gfx/geometry/mojo" is not exposed to blink, we need to declare
+// a wrapper struct, so that gfx.mojom.RectF will not be directly referenced // inside blink, and browser can still use mojo geometries.

[mcasas, 2016/10/03 21:02:47]

Reflow these comments (this paragraph and l. 17) to 80 
characters.

Also s/use mojo geometries/use gfx types/.

[xianglu, 2016/10/03 22:00:06]

Done.

+struct FaceDetectionResult {
+  array<gfx.mojom.RectF> boundingBoxes;
+};
+
+// frame_data contains tightly packed image pixels in ARGB32 format, row-major order.
+interface ShapeDetection {
+    DetectFace(handle<shared_buffer> frame_data, uint32 width, uint32 height) => (FaceDetectionResult result);
+};