Support WebSocket in WebRequest API.

chrome/test/data/extensions/api_test/webrequest/test_websocket.js

+// 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.
+
+function getEchoTestURL(port) {
+  return "ws://localhost:" + port + "/echo-with-no-extension";
+}
+
+function openAndCloseWebSocket(port) {
+  var url = getEchoTestURL(port);
+  var ws = new WebSocket(url);
+
+  ws.onclose = function() {
+    chrome.test.log("WebSocket closed.");
+  }
+  ws.onopen = function() {
+    chrome.test.log("WebSocket opened.");
+  };
+}
+
+function openWebSocketThenWriteAndClose(port) {
+  var url = getEchoTestURL(port);
+  var ws = new WebSocket(url);
+  var MESSAGE = "test message";
+
+  ws.onmessage = function(messageEvent) {
+    chrome.test.log("Message received: " + messageEvent.data);
+    chrome.test.assertEq(MESSAGE, messageEvent.data);
+    ws.close();
+  };
+  ws.onclose = function() {
+    chrome.test.log("WebSocket closed.");
+  }
+  ws.onopen = function() {
+    chrome.test.log("WebSocket opened.");
+    ws.send(MESSAGE);
+  };
+}
+
+function webSocketEchoTestImpl(testBody) {
+  webSocketUrl = getEchoTestURL(testWebSocketPort);

[tyoshino (SeeGerritForStatus), 2016/12/06 08:05:06]

var

[pkalinnikov, 2016/12/13 21:15:59]

Done.

+  expect(
+    [  //events
+      { label: "onBeforeRequest",
+        event: "onBeforeRequest",
+        details: {
+          url: webSocketUrl,
+          type: "other",
+          // Note: The tab is different from the one where navigation happened.
+          tabId: 1,
+          frameUrl: "unknown frame URL",
+        },
+      },
+      { label: "onBeforeSendHeaders",
+        event: "onBeforeSendHeaders",
+        details: {
+          url: webSocketUrl,
+          type: "other",
+          tabId: 1,
+        },
+      },
+      { label: "onSendHeaders",
+        event: "onSendHeaders",
+        details: {
+          url: webSocketUrl,
+          type: "other",
+          tabId: 1,
+        },
+      },
+      { label: "onHeadersReceived",
+        event: "onHeadersReceived",
+        details: {
+          url: webSocketUrl,
+          type: "other",
+          tabId: 1,
+          statusCode: 101,
+          statusLine: "HTTP/1.1 101 Switching Protocols",
+        },
+      },
+      { label: "onResponseStarted",
+        event: "onResponseStarted",
+        details: {
+          url: webSocketUrl,
+          type: "other",
+          tabId: 1,
+          ip: "127.0.0.1",
+          fromCache: false,
+          statusCode: 101,
+          statusLine: "HTTP/1.1 101 Switching Protocols",
+        },
+      },
+      // FIXME(pkalinnikov): Switch to onCompleted once crbug/663672 is fixed.
+      { label: "onErrorOccurred",
+        event: "onErrorOccurred",
+        details: {
+          url: webSocketUrl,
+          type: "other",
+          tabId: 1,
+          fromCache: false,
+          error: "net::ERR_ABORTED",
+        },
+      },
+    ],
+    [  // event order
+      ["onBeforeRequest", "onBeforeSendHeaders", "onSendHeaders",
+      "onHeadersReceived", "onResponseStarted", "onErrorOccurred"]
+    ],
+    {urls: ["<all_urls>"]},  // filter
+    ["blocking"]  // extraInfoSpec
+  );
+
+  testBody(testWebSocketPort);
+}
+
+runTests([
+  // TODO(pkalinnikov): Add tests excercising redirects and blocking.

[tyoshino (SeeGerritForStatus), 2016/12/06 08:05:06]

exercise

[pkalinnikov, 2016/12/13 21:15:59]

Done.

+
+  // Opens a WebSocket connection and closes it. WebRequest API should observe
+  // only the handshake.
+  function openAndCloseWebSocketTest() {
+    webSocketEchoTestImpl(openAndCloseWebSocket);
+  },
+
+  // Opens a WebSocket connection, writes a message to it, and closes the
+  // connection. WebRequest API should observe only the handshake.
+  function openWebSocketThenWriteAndCloseTest() {
+    webSocketEchoTestImpl(openWebSocketThenWriteAndClose);
+  },
+]);