cast channel error cleanup.

BUG=429005

Review URL: https://codereview.chromium.org/690383002

Cr-Commit-Position: refs/heads/master@{#302714}

chrome/test/data/extensions/api_test/cast_channel/api/test_authority_keys.html

+<script src="test_authority_keys.js"></script>

chrome/test/data/extensions/api_test/cast_channel/api/test_authority_keys.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.
+
+var VALID_SIGNATURE = [
+    0xA3, 0xCD, 0xE8, 0x92, 0xED, 0xE3, 0x3F, 0xEC, 0x63, 0x4F, 0x2B, 0x0D,
+    0x05, 0xA9, 0x6A, 0xA7, 0xF6, 0x5F, 0x25, 0x13, 0xCB, 0xB7, 0xC4, 0x7E,
+    0x21, 0x48, 0x59, 0x31, 0xEA, 0x5B, 0x01, 0x11, 0x52, 0x45, 0x58, 0xB3,
+    0x2E, 0x87, 0x85, 0x5B, 0x95, 0xF2, 0x53, 0x07, 0xBA, 0x95, 0x06, 0x82,
+    0xF8, 0xF1, 0x45, 0x40, 0x74, 0x99, 0x78, 0x66, 0x72, 0x79, 0xE1, 0x91,
+    0xA7, 0x00, 0x89, 0xFE, 0x57, 0x9F, 0xD3, 0x18, 0x7A, 0x49, 0x62, 0x65,
+    0x54, 0xC5, 0x8D, 0x4E, 0x4E, 0x7E, 0xCF, 0x45, 0x3C, 0xE0, 0x64, 0x1D,
+    0x8B, 0x32, 0x4F, 0xFC, 0x24, 0xC2, 0x78, 0x7A, 0x48, 0xC0, 0xCA, 0x1B,
+    0x37, 0xE9, 0x32, 0x0D, 0xA8, 0xE0, 0x3B, 0x27, 0xC3, 0x0C, 0xB8, 0x64,
+    0xB5, 0xCE, 0x8B, 0x1E, 0x64, 0xA5, 0x14, 0x61, 0xBA, 0x27, 0xB0, 0x7C,
+    0x5B, 0xAE, 0xE8, 0xCE, 0x24, 0xBC, 0x64, 0x51, 0x1D, 0xAD, 0xC4, 0xFD,
+    0x59, 0x25, 0xC5, 0xAE, 0x32, 0xD5, 0xC9, 0x44, 0x47, 0x8E, 0xF8, 0x9D,
+    0x64, 0x3E, 0x62, 0x16, 0xDB, 0x88, 0x98, 0x8E, 0xA4, 0xF5, 0x1F, 0x4E,
+    0xA1, 0x72, 0xD1, 0xE9, 0x2C, 0x80, 0xC2, 0x98, 0xDD, 0xAC, 0xBF, 0xAF,
+    0x94, 0x73, 0x24, 0xDC, 0x6A, 0x25, 0xE8, 0xA4, 0x3D, 0xF1, 0x8A, 0x45,
+    0xD2, 0x08, 0x47, 0x9C, 0xDD, 0xFF, 0x14, 0x55, 0xB8, 0x89, 0xBB, 0xC8,
+    0xC2, 0x39, 0x91, 0x6E, 0x9F, 0xAD, 0x51, 0x5D, 0xE1, 0xF1, 0x34, 0x5C,
+    0x08, 0xE8, 0xE5, 0x5D, 0x51, 0xA9, 0x6F, 0x33, 0xED, 0x35, 0x14, 0x65,
+    0x4E, 0xA7, 0xEF, 0xED, 0x1C, 0x66, 0xE5, 0x85, 0xE4, 0x64, 0xC2, 0xE6,
+    0x24, 0x93, 0x19, 0x89, 0x3B, 0x39, 0xFA, 0x8F, 0x05, 0x31, 0x13, 0x13,
+    0x41, 0x94, 0xF8, 0x85, 0x14, 0x77, 0x0D, 0x0F, 0x80, 0xFE, 0x3A, 0x1F,
+    0x56, 0x2C, 0x93, 0x18
+];
+
+var VALID_AUTHORITY_KEYS = [
+    0x0A, 0xB3, 0x02, 0x0A, 0x20, 0x52, 0x9D, 0x9C, 0xD6, 0x7F, 0xE5, 0xEB,
+    0x69, 0x8E, 0x70, 0xDD, 0x26, 0xD7, 0xD8, 0xF1, 0x26, 0x59, 0xF1, 0xE6,
+    0xE5, 0x23, 0x48, 0xBF, 0x6A, 0x5C, 0xF7, 0x16, 0xE1, 0x3F, 0x41, 0x0E,
+    0x73, 0x12, 0x8E, 0x02, 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01,
+    0x00, 0xBC, 0x22, 0x80, 0xBD, 0x80, 0xF6, 0x3A, 0x21, 0x00, 0x3B, 0xAE,
+    0x76, 0x5E, 0x35, 0x7F, 0x3D, 0xC3, 0x64, 0x5C, 0x55, 0x94, 0x86, 0x34,
+    0x2F, 0x05, 0x87, 0x28, 0xCD, 0xF7, 0x69, 0x8C, 0x17, 0xB3, 0x50, 0xA7,
+    0xB8, 0x82, 0xFA, 0xDF, 0xC7, 0x43, 0x2D, 0xD6, 0x7E, 0xAB, 0xA0, 0x6F,
+    0xB7, 0x13, 0x72, 0x80, 0xA4, 0x47, 0x15, 0xC1, 0x20, 0x99, 0x50, 0xCD,
+    0xEC, 0x14, 0x62, 0x09, 0x5B, 0xA4, 0x98, 0xCD, 0xD2, 0x41, 0xB6, 0x36,
+    0x4E, 0xFF, 0xE8, 0x2E, 0x32, 0x30, 0x4A, 0x81, 0xA8, 0x42, 0xA3, 0x6C,
+    0x9B, 0x33, 0x6E, 0xCA, 0xB2, 0xF5, 0x53, 0x66, 0xE0, 0x27, 0x53, 0x86,
+    0x1A, 0x85, 0x1E, 0xA7, 0x39, 0x3F, 0x4A, 0x77, 0x8E, 0xFB, 0x54, 0x66,
+    0x66, 0xFB, 0x58, 0x54, 0xC0, 0x5E, 0x39, 0xC7, 0xF5, 0x50, 0x06, 0x0B,
+    0xE0, 0x8A, 0xD4, 0xCE, 0xE1, 0x6A, 0x55, 0x1F, 0x8B, 0x17, 0x00, 0xE6,
+    0x69, 0xA3, 0x27, 0xE6, 0x08, 0x25, 0x69, 0x3C, 0x12, 0x9D, 0x8D, 0x05,
+    0x2C, 0xD6, 0x2E, 0xA2, 0x31, 0xDE, 0xB4, 0x52, 0x50, 0xD6, 0x20, 0x49,
+    0xDE, 0x71, 0xA0, 0xF9, 0xAD, 0x20, 0x40, 0x12, 0xF1, 0xDD, 0x25, 0xEB,
+    0xD5, 0xE6, 0xB8, 0x36, 0xF4, 0xD6, 0x8F, 0x7F, 0xCA, 0x43, 0xDC, 0xD7,
+    0x10, 0x5B, 0xE6, 0x3F, 0x51, 0x8A, 0x85, 0xB3, 0xF3, 0xFF, 0xF6, 0x03,
+    0x2D, 0xCB, 0x23, 0x4F, 0x9C, 0xAD, 0x18, 0xE7, 0x93, 0x05, 0x8C, 0xAC,
+    0x52, 0x9A, 0xF7, 0x4C, 0xE9, 0x99, 0x7A, 0xBE, 0x6E, 0x7E, 0x4D, 0x0A,
+    0xE3, 0xC6, 0x1C, 0xA9, 0x93, 0xFA, 0x3A, 0xA5, 0x91, 0x5D, 0x1C, 0xBD,
+    0x66, 0xEB, 0xCC, 0x60, 0xDC, 0x86, 0x74, 0xCA, 0xCF, 0xF8, 0x92, 0x1C,
+    0x98, 0x7D, 0x57, 0xFA, 0x61, 0x47, 0x9E, 0xAB, 0x80, 0xB7, 0xE4, 0x48,
+    0x80, 0x2A, 0x92, 0xC5, 0x1B, 0x02, 0x03, 0x01, 0x00, 0x01, 0x0A, 0xB3,
+    0x02, 0x0A, 0x20, 0xA2, 0x48, 0xC2, 0xE8, 0x54, 0xE6, 0x56, 0xA5, 0x6D,
+    0xE8, 0x23, 0x1F, 0x1E, 0xE1, 0x75, 0x6F, 0xDB, 0xE4, 0x07, 0xF9, 0xFE,
+    0xD4, 0x65, 0x0D, 0x60, 0xCC, 0x5A, 0xCB, 0x65, 0x11, 0xC7, 0x20, 0x12,
+    0x8E, 0x02, 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01, 0x00, 0xB0,
+    0x0E, 0x5E, 0x07, 0x3A, 0xDF, 0xA4, 0x5F, 0x68, 0xF7, 0x21, 0xC7, 0x64,
+    0xDB, 0xB6, 0x76, 0xEF, 0xEE, 0x8B, 0x93, 0xF8, 0xF6, 0x1B, 0x88, 0xE1,
+    0x93, 0xB7, 0x17, 0xF0, 0x15, 0x1E, 0x7E, 0x52, 0x55, 0x77, 0x3C, 0x02,
+    0x8D, 0x7B, 0x4A, 0x6C, 0xD3, 0xBD, 0xD6, 0xC1, 0x9C, 0x72, 0xC8, 0xB3,
+    0x15, 0xCF, 0x11, 0xC1, 0xF5, 0x46, 0xC4, 0xD5, 0x20, 0x47, 0xFB, 0x30,
+    0xF4, 0xE4, 0x61, 0x0C, 0x68, 0xF0, 0x5E, 0xAB, 0x37, 0x8E, 0x9B, 0xE1,
+    0xBC, 0x81, 0xC3, 0x70, 0x8A, 0x78, 0xD6, 0x83, 0x34, 0x32, 0x9C, 0x19,
+    0x62, 0xEB, 0xE4, 0x9C, 0xED, 0xE3, 0x64, 0x6C, 0x41, 0x1D, 0x9C, 0xD2,
+    0x8B, 0x48, 0x4C, 0x23, 0x90, 0x95, 0xB3, 0xE7, 0x52, 0xEA, 0x05, 0x57,
+    0xCC, 0x60, 0xB3, 0xBA, 0x14, 0xE4, 0xBA, 0x00, 0x39, 0xE4, 0x46, 0x55,
+    0x74, 0xCE, 0x5A, 0x8E, 0x7A, 0x67, 0x23, 0xDA, 0x68, 0x0A, 0xFA, 0xC4,
+    0x84, 0x1E, 0xB4, 0xC5, 0xA1, 0xA2, 0x6A, 0x73, 0x1F, 0x6E, 0xC8, 0x2E,
+    0x2F, 0x9A, 0x9E, 0xA8, 0xB1, 0x0E, 0xFD, 0x87, 0xA6, 0x8F, 0x4D, 0x3D,
+    0x4B, 0x05, 0xD5, 0x35, 0x5A, 0x74, 0x4D, 0xBC, 0x8E, 0x82, 0x44, 0x96,
+    0xF4, 0xB5, 0x95, 0x60, 0x4E, 0xA5, 0xDF, 0x27, 0x3D, 0x41, 0x5C, 0x07,
+    0xA3, 0xB4, 0x35, 0x5A, 0xB3, 0x9E, 0xF2, 0x05, 0x24, 0xCA, 0xCD, 0x31,
+    0x5A, 0x0D, 0x26, 0x4C, 0xD4, 0xD3, 0xFD, 0x50, 0xE1, 0x34, 0xE9, 0x4C,
+    0x81, 0x58, 0x30, 0xB2, 0xC7, 0x7A, 0xDD, 0x81, 0x89, 0xA6, 0xD4, 0x3A,
+    0x38, 0x84, 0x03, 0xB7, 0x34, 0x9E, 0x77, 0x3F, 0xFF, 0x78, 0x07, 0x5B,
+    0x99, 0xC1, 0xB2, 0x1F, 0x35, 0x56, 0x6E, 0x3A, 0x3C, 0x0C, 0x25, 0xE1,
+    0x57, 0xF6, 0x8A, 0x7E, 0x49, 0xC0, 0xCC, 0x83, 0x11, 0x35, 0xE7, 0x91,
+    0x6D, 0x2E, 0x65, 0x02, 0x03, 0x01, 0x00, 0x01
+];
+
+var INVALID_AUTHORITY_KEYS = [
+    0x10, 0xB3, 0x02, 0x0A, 0x20, 0x52, 0x9D, 0x9C, 0xD6, 0x7F, 0xE5, 0xEB,
+    0x69, 0x8E, 0x70, 0xDD, 0x26, 0xD7, 0xD8, 0xF1, 0x26, 0x59, 0xF1, 0xE6,
+    0xE5, 0x23, 0x48, 0xBF, 0x6A, 0x5C, 0xF7, 0x16, 0xE1, 0x3F, 0x41, 0x0E,
+    0x73, 0x12, 0x8E, 0x02, 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01,
+    0x00, 0xBC, 0x22, 0x80, 0xBD, 0x80, 0xF6, 0x3A, 0x21, 0x00, 0x3B, 0xAE,
+    0x76, 0x5E, 0x35, 0x7F, 0x3D, 0xC3, 0x64, 0x5C, 0x55, 0x94, 0x86, 0x34,
+    0x2F, 0x05, 0x87, 0x28, 0xCD, 0xF7, 0x69, 0x8C, 0x17, 0xB3, 0x50, 0xA7,
+    0xB8, 0x82, 0xFA, 0xDF, 0xC7, 0x43, 0x2D, 0xD6, 0x7E, 0xAB, 0xA0, 0x6F,
+    0xB7, 0x13, 0x72, 0x80, 0xA4, 0x47, 0x15, 0xC1, 0x20, 0x99, 0x50, 0xCD,
+    0xEC, 0x14, 0x62, 0x09, 0x5B, 0xA4, 0x98, 0xCD, 0xD2, 0x41, 0xB6, 0x36,
+    0x4E, 0xFF, 0xE8, 0x2E, 0x32, 0x30, 0x4A, 0x81, 0xA8, 0x42, 0xA3, 0x6C,
+    0x9B, 0x33, 0x6E, 0xCA, 0xB2, 0xF5, 0x53, 0x66, 0xE0, 0x27, 0x53, 0x86,
+    0x1A, 0x85, 0x1E, 0xA7, 0x39, 0x3F, 0x4A, 0x77, 0x8E, 0xFB, 0x54, 0x66,
+    0x66, 0xFB, 0x58, 0x54, 0xC0, 0x5E, 0x39, 0xC7, 0xF5, 0x50, 0x06, 0x0B,
+    0xE0, 0x8A, 0xD4, 0xCE, 0xE1, 0x6A, 0x55, 0x1F, 0x8B, 0x17, 0x00, 0xE6,
+    0x69, 0xA3, 0x27, 0xE6, 0x08, 0x25, 0x69, 0x3C, 0x12, 0x9D, 0x8D, 0x05,
+    0x2C, 0xD6, 0x2E, 0xA2, 0x31, 0xDE, 0xB4, 0x52, 0x50, 0xD6, 0x20, 0x49,
+    0xDE, 0x71, 0xA0, 0xF9, 0xAD, 0x20, 0x40, 0x12, 0xF1, 0xDD, 0x25, 0xEB,
+    0xD5, 0xE6, 0xB8, 0x36, 0xF4, 0xD6, 0x8F, 0x7F, 0xCA, 0x43, 0xDC, 0xD7,
+    0x10, 0x5B, 0xE6, 0x3F, 0x51, 0x8A, 0x85, 0xB3, 0xF3, 0xFF, 0xF6, 0x03,
+    0x2D, 0xCB, 0x23, 0x4F, 0x9C, 0xAD, 0x18, 0xE7, 0x93, 0x05, 0x8C, 0xAC,
+    0x52, 0x9A, 0xF7, 0x4C, 0xE9, 0x99, 0x7A, 0xBE, 0x6E, 0x7E, 0x4D, 0x0A,
+    0xE3, 0xC6, 0x1C, 0xA9, 0x93, 0xFA, 0x3A, 0xA5, 0x91, 0x5D, 0x1C, 0xBD,
+    0x66, 0xEB, 0xCC, 0x60, 0xDC, 0x86, 0x74, 0xCA, 0xCF, 0xF8, 0x92, 0x1C,
+    0x98, 0x7D, 0x57, 0xFA, 0x61, 0x47, 0x9E, 0xAB, 0x80, 0xB7, 0xE4, 0x48,
+    0x80, 0x2A, 0x92, 0xC5, 0x1B, 0x02, 0x03, 0x01, 0x00, 0x01, 0x0A, 0xB3,
+    0x02, 0x0A, 0x20, 0xA2, 0x48, 0xC2, 0xE8, 0x54, 0xE6, 0x56, 0xA5, 0x6D,
+    0xE8, 0x23, 0x1F, 0x1E, 0xE1, 0x75, 0x6F, 0xDB, 0xE4, 0x07, 0xF9, 0xFE,
+    0xD4, 0x65, 0x0D, 0x60, 0xCC, 0x5A, 0xCB, 0x65, 0x11, 0xC7, 0x20, 0x12,
+    0x8E, 0x02, 0x30, 0x82, 0x01, 0x0A, 0x02, 0x82, 0x01, 0x01, 0x00, 0xB0,
+    0x0E, 0x5E, 0x07, 0x3A, 0xDF, 0xA4, 0x5F, 0x68, 0xF7, 0x21, 0xC7, 0x64,
+    0xDB, 0xB6, 0x76, 0xEF, 0xEE, 0x8B, 0x93, 0xF8, 0xF6, 0x1B, 0x88, 0xE1,
+    0x93, 0xB7, 0x17, 0xF0, 0x15, 0x1E, 0x7E, 0x52, 0x55, 0x77, 0x3C, 0x02,
+    0x8D, 0x7B, 0x4A, 0x6C, 0xD3, 0xBD, 0xD6, 0xC1, 0x9C, 0x72, 0xC8, 0xB3,
+    0x15, 0xCF, 0x11, 0xC1, 0xF5, 0x46, 0xC4, 0xD5, 0x20, 0x47, 0xFB, 0x30,
+    0xF4, 0xE4, 0x61, 0x0C, 0x68, 0xF0, 0x5E, 0xAB, 0x37, 0x8E, 0x9B, 0xE1,
+    0xBC, 0x81, 0xC3, 0x70, 0x8A, 0x78, 0xD6, 0x83, 0x34, 0x32, 0x9C, 0x19,
+    0x62, 0xEB, 0xE4, 0x9C, 0xED, 0xE3, 0x64, 0x6C, 0x41, 0x1D, 0x9C, 0xD2,
+    0x8B, 0x48, 0x4C, 0x23, 0x90, 0x95, 0xB3, 0xE7, 0x52, 0xEA, 0x05, 0x57,
+    0xCC, 0x60, 0xB3, 0xBA, 0x14, 0xE4, 0xBA, 0x00, 0x39, 0xE4, 0x46, 0x55,
+    0x74, 0xCE, 0x5A, 0x8E, 0x7A, 0x67, 0x23, 0xDA, 0x68, 0x0A, 0xFA, 0xC4,
+    0x84, 0x1E, 0xB4, 0xC5, 0xA1, 0xA2, 0x6A, 0x73, 0x1F, 0x6E, 0xC8, 0x2E,
+    0x2F, 0x9A, 0x9E, 0xA8, 0xB1, 0x0E, 0xFD, 0x87, 0xA6, 0x8F, 0x4D, 0x3D,
+    0x4B, 0x05, 0xD5, 0x35, 0x5A, 0x74, 0x4D, 0xBC, 0x8E, 0x82, 0x44, 0x96,
+    0xF4, 0xB5, 0x95, 0x60, 0x4E, 0xA5, 0xDF, 0x27, 0x3D, 0x41, 0x5C, 0x07,
+    0xA3, 0xB4, 0x35, 0x5A, 0xB3, 0x9E, 0xF2, 0x05, 0x24, 0xCA, 0xCD, 0x31,
+    0x5A, 0x0D, 0x26, 0x4C, 0xD4, 0xD3, 0xFD, 0x50, 0xE1, 0x34, 0xE9, 0x4C,
+    0x81, 0x58, 0x30, 0xB2, 0xC7, 0x7A, 0xDD, 0x81, 0x89, 0xA6, 0xD4, 0x3A,
+    0x38, 0x84, 0x03, 0xB7, 0x34, 0x9E, 0x77, 0x3F, 0xFF, 0x78, 0x07, 0x5B,
+    0x99, 0xC1, 0xB2, 0x1F, 0x35, 0x56, 0x6E, 0x3A, 0x3C, 0x0C, 0x25, 0xE1,
+    0x57, 0xF6, 0x8A, 0x7E, 0x49, 0xC0, 0xCC, 0x83, 0x11, 0x35, 0xE7, 0x91,
+    0x6D, 0x2E, 0x65, 0x02, 0x03, 0x01, 0x00, 0x01
+];
+
+var generateBase64Data = function(s) {
+  return window.btoa(String.fromCharCode.apply(null, s));
+};
+
+var onInvalidAuthorityKeys = function() {
+  chrome.test.assertLastError('Unable to set authority keys.');
+  chrome.test.succeed();
+};
+
+var onValidAuthorityKeys = function() {
+  chrome.test.assertNoLastError();
+  chrome.test.succeed();
+};
+
+chrome.test.runTests([
+  function testValid() {
+    chrome.cast.channel.setAuthorityKeys(
+        generateBase64Data(VALID_AUTHORITY_KEYS),
+        generateBase64Data(VALID_SIGNATURE), onValidAuthorityKeys);
+  },
+  function testInvalid() {
+    chrome.cast.channel.setAuthorityKeys(
+        generateBase64Data(INVALID_AUTHORITY_KEYS),
+        generateBase64Data(VALID_SIGNATURE), onInvalidAuthorityKeys);
+  }
+]);

chrome/test/data/extensions/api_test/cast_channel/api/test_open_error.js

@@ -6,7 +6,7 @@ var errorEvent = false;
 var openCallback = false;
 
 var onClose = function(channel) {
-  chrome.test.assertLastError('Unknown error.');
+  chrome.test.assertLastError('Channel socket error = 3');
   assertClosedChannelWithError(channel, 'connect_error');
   chrome.test.succeed();
 }
@@ -21,7 +21,7 @@ var onError = function(channel, error) {
 }
 
 var onOpen = function(channel) {
-  chrome.test.assertLastError('Unknown error.');
+  chrome.test.assertLastError('Channel socket error = 3');
   openCallback = true;
   assertClosedChannelWithError(channel, 'connect_error');
   maybeClose(channel);

extensions/browser/api/cast_channel/cast_channel_api.cc

@@ -172,8 +172,8 @@ void CastChannelAPI::OnMessage(const CastSocket* socket,
 
 CastChannelAPI::~CastChannelAPI() {}
 
-CastChannelAsyncApiFunction::CastChannelAsyncApiFunction()
-  : manager_(NULL), error_(cast_channel::CHANNEL_ERROR_NONE) { }
+CastChannelAsyncApiFunction::CastChannelAsyncApiFunction() : manager_(NULL) {
+}
 
 CastChannelAsyncApiFunction::~CastChannelAsyncApiFunction() { }
 
@@ -183,7 +183,7 @@ bool CastChannelAsyncApiFunction::PrePrepare() {
 }
 
 bool CastChannelAsyncApiFunction::Respond() {
-  return error_ == cast_channel::CHANNEL_ERROR_NONE;
+  return GetError().empty();
 }
 
 CastSocket* CastChannelAsyncApiFunction::GetSocketOrCompleteWithError(
@@ -216,7 +216,10 @@ void CastChannelAsyncApiFunction::SetResultFromSocket(
     const CastSocket& socket) {
   ChannelInfo channel_info;
   FillChannelInfo(socket, &channel_info);
-  error_ = socket.error_state();
+  ChannelError error = socket.error_state();
+  if (error != cast_channel::CHANNEL_ERROR_NONE) {
+    SetError("Channel socket error = " + base::IntToString(error));
+  }
   SetResultFromChannelInfo(channel_info);
 }
 
@@ -231,7 +234,7 @@ void CastChannelAsyncApiFunction::SetResultFromError(int channel_id,
   channel_info.connect_info.port = 0;
   channel_info.connect_info.auth = cast_channel::CHANNEL_AUTH_TYPE_SSL;
   SetResultFromChannelInfo(channel_info);
-  error_ = error;
+  SetError("Channel error = " + base::IntToString(error));
 }
 
 CastSocket* CastChannelAsyncApiFunction::GetSocket(int channel_id) {

extensions/browser/api/cast_channel/cast_channel_api.h

@@ -129,9 +129,6 @@ class CastChannelAsyncApiFunction : public AsyncApiFunction {
 
   // The API resource manager for CastSockets.
   ApiResourceManager<cast_channel::CastSocket>* manager_;
-
-  // The result of the function.
-  cast_channel::ChannelError error_;
 };
 
 class CastChannelOpenFunction : public CastChannelAsyncApiFunction {

extensions/browser/api/cast_channel/cast_channel_apitest.cc

@@ -502,3 +502,17 @@ IN_PROC_BROWSER_TEST_F(CastChannelAPITest, TestSetAuthorityKeysValid) {
       cast_channel_set_authority_keys_function.get(), args, browser());
   EXPECT_EQ(error, std::string());
 }
+
+// TODO(vadimgo): Win Dbg has a workaround that makes RunExtensionSubtest
+// always return true without actually running the test. Remove when fixed.
+#if defined(OS_WIN) && !defined(NDEBUG)
+#define MAYBE_TestSetAuthorityKeys DISABLED_TestSetAuthorityKeys
+#else
+#define MAYBE_TestSetAuthorityKeys TestSetAuthorityKeys
+#endif
+// Test loading extension, opening a channel with ConnectInfo, adding a
+// listener, writing, reading, and closing.
+IN_PROC_BROWSER_TEST_F(CastChannelAPITest, MAYBE_TestSetAuthorityKeys) {
+  EXPECT_TRUE(
+      RunExtensionSubtest("cast_channel/api", "test_authority_keys.html"));
+}