Shape Detection: Add Text Detection in Chrome Android

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

Index: third_party/WebKit/Source/modules/shapedetection/TextDetector.idl
diff --git a/third_party/WebKit/Source/modules/shapedetection/TextDetector.idl b/third_party/WebKit/Source/modules/shapedetection/TextDetector.idl
new file mode 100644
index 0000000000000000000000000000000000000000..031ab5138f3e00cd4ed13aaa17bb9ae410b6559d
--- /dev/null
+++ b/third_party/WebKit/Source/modules/shapedetection/TextDetector.idl
@@ -0,0 +1,14 @@
+// Copyright 2017 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/#text-detection-api
+
+[
+    Constructor,
+    ConstructorCallWith=Document,

[jochen (gone - plz use gerrit), 2017/01/05 12:11:55]

shouldn't that be ConstructorCallWith=ExecutionContext? Otherwise, how would
that work on a worker?

[xianglu, 2017/01/05 20:04:20]

That makes sense. While that could touch more than text detector, I'm going to
create a bug and work on that in next CL.

+    Exposed=(Window,Worker),
+    RuntimeEnabled=ShapeDetection,
+] interface TextDetector {
+    [CallWith=ScriptState] Promise<sequence<DetectedText>> detect(ImageBitmapSource image);
+};