Update mojo sdk to rev e01f9a49449381a5eb430c1fd88bf2cae73ec35a

mojo/services/public/interfaces/accessibility/accessibility.mojom

Index: mojo/services/public/interfaces/accessibility/accessibility.mojom
diff --git a/mojo/services/public/interfaces/accessibility/accessibility.mojom b/mojo/services/public/interfaces/accessibility/accessibility.mojom
new file mode 100644
index 0000000000000000000000000000000000000000..abc97c3a2f08951723675c3c24f8da1d62c2aab6
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+++ b/mojo/services/public/interfaces/accessibility/accessibility.mojom
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+// Copyright 2014 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.
+
+module mojo;
+
+import "mojo/services/public/interfaces/geometry/geometry.mojom";
+
+interface AxProvider {
+  GetTree() => (array<AxNode> nodes);
+};
+
+struct AxNode {
+  // Must be non-zero.
+  uint32 id;
+
+  // Can be zero if the node has no parent or next sibling.
+  uint32 parent_id;
+  uint32 next_sibling_id;
+
+  mojo.Rect bounds;
+
+  // At most one of the below will be present.
+  // TODO(aa): These should become a union.
+  AxLink? link;
+  AxText? text;
+};
+
+struct AxLink {
+  string url;
+};
+
+struct AxText {
+  string content;
+};