Update mojo sdk to rev e083961bf11fd0c94d40be8853761da529b6d444

mojo/public/js/bindings/core_unittests.js

 // 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.
 
 define([
     "gin/test/expect",
     "mojo/public/js/bindings/core",
     "gc",
   ], function(expect, core, gc) {
   runWithMessagePipe(testNop);
   runWithMessagePipe(testReadAndWriteMessage);
   runWithMessagePipeWithOptions(testNop);
   runWithMessagePipeWithOptions(testReadAndWriteMessage);
   runWithDataPipe(testNop);
   runWithDataPipe(testReadAndWriteDataPipe);
   runWithDataPipeWithOptions(testNop);
   runWithDataPipeWithOptions(testReadAndWriteDataPipe);
+  testHandleToString();
   gc.collectGarbage();  // should not crash
   this.result = "PASS";
 
   function runWithMessagePipe(test) {
     var pipe = core.createMessagePipe();
     expect(pipe.result).toBe(core.RESULT_OK);
 
     test(pipe);
 
     expect(core.close(pipe.handle0)).toBe(core.RESULT_OK);
@@ skipping 80 matching lines @@
       pipe.consumerHandle, core.READ_DATA_FLAG_ALL_OR_NONE);
 
     expect(read.result).toBe(core.RESULT_OK);
     expect(read.buffer.byteLength).toBe(42);
 
     var memory = new Uint8Array(read.buffer);
     for (var i = 0; i < memory.length; ++i)
       expect(memory[i]).toBe((i * i) & 0xFF);
   }
 
+  function testHandleToString() {
+    var pipe = core.createDataPipe();
+    expect(pipe.consumerHandle.toString).toBeDefined();
+
+    var openHandleRE = /^\[mojo\:\:Handle \d+\]$/ // e.g. "[mojo::Handle 123]"
+    var openHandleString = pipe.consumerHandle.toString();
+    expect(openHandleString.match(openHandleRE)[0]).toEqual(openHandleString);
+
+    expect(core.close(pipe.producerHandle)).toBe(core.RESULT_OK);
+    expect(core.close(pipe.consumerHandle)).toBe(core.RESULT_OK);
+
+    expect(pipe.consumerHandle.toString()).toEqual("[mojo::Handle null]");
+  }
+
 });