Adds Mojo IDL.

third_party/WebKit/Source/core/mojo/Mojo.idl

Index: third_party/WebKit/Source/core/mojo/Mojo.idl
diff --git a/third_party/WebKit/Source/core/mojo/Mojo.idl b/third_party/WebKit/Source/core/mojo/Mojo.idl
new file mode 100644
index 0000000000000000000000000000000000000000..c00d53fc6305865c16f64045afbfa2ead18fccb5
--- /dev/null
+++ b/third_party/WebKit/Source/core/mojo/Mojo.idl
@@ -0,0 +1,37 @@
+// 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.
+
+typedef unsigned long MojoResult;
+typedef unsigned long MojoHandleSignals;
+
+[
+    NoInterfaceObject,

[esprehn, 2016/10/10 20:59:46]

remove NoInterfaceObject on this and the other interfaces

[alokp, 2016/10/18 00:11:47]

Done.

+] interface Mojo {
+    const MojoResult RESULT_OK = 0;
+    const MojoResult RESULT_CANCELLED = 1;
+    const MojoResult RESULT_UNKNOWN = 2;
+    const MojoResult RESULT_INVALID_ARGUMENT = 3;
+    const MojoResult RESULT_DEADLINE_EXCEEDED = 4;
+    const MojoResult RESULT_NOT_FOUND = 5;
+    const MojoResult RESULT_ALREADY_EXISTS = 6;
+    const MojoResult RESULT_PERMISSION_DENIED = 7;
+    const MojoResult RESULT_RESOURCE_EXHAUSTED = 8;
+    const MojoResult RESULT_FAILED_PRECONDITION = 9;
+    const MojoResult RESULT_ABORTED = 10;
+    const MojoResult RESULT_OUT_OF_RANGE = 11;
+    const MojoResult RESULT_UNIMPLEMENTED = 12;
+    const MojoResult RESULT_INTERNAL = 13;
+    const MojoResult RESULT_UNAVAILABLE = 14;
+    const MojoResult RESULT_DATA_LOSS = 15;
+    const MojoResult RESULT_BUSY = 16;
+    const MojoResult RESULT_SHOULD_WAIT = 17;
+
+    const MojoHandleSignals HANDLE_SIGNAL_NONE = 0;
+    const MojoHandleSignals HANDLE_SIGNAL_READABLE = 1;
+    const MojoHandleSignals HANDLE_SIGNAL_WRITABLE = 2;
+    const MojoHandleSignals HANDLE_SIGNAL_PEER_CLOSED = 4;
+
+    MojoResult close(MojoHandle handle);
+    boolean isHandle(any value);

[esprehn, 2016/10/10 20:59:46]

Why not make handles be a real type and code can do instanceof MojoHandle
instead? Having an isFoo() method is unusual.

Your patch even has a MojoHandle type.

[alokp, 2016/10/18 00:11:47]

Done.

+};