Adding first WebRTC browser test to content_browsertests

content/browser/webrtc_getusermedia_browsertest.cc

+// Copyright (c) 2012 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.
+
+#include "base/utf_string_conversions.h"

[perkj_chrome, 2012/11/20 14:20:16]

Add comment what this file do. What kind of tests can you expect in this file?

+#include "content/browser/web_contents/web_contents_impl.h"
+#include "content/public/test/browser_test_utils.h"
+#include "content/shell/shell.h"
+#include "content/test/content_browser_test.h"
+#include "content/test/content_browser_test_utils.h"
+#include "net/test/test_server.h"
+
+namespace content {
+
+// Note: Requires --use-fake-device-for-media-stream (this flag is set by
+// default in content_browsertests).
+class WebrtcGetUserMediaTest: public ContentBrowserTest {
+ public:
+  WebrtcGetUserMediaTest() {}
+ protected:
+  void TestGetUserMediaWithConstraints(const std::string& constraints) {
+    ASSERT_TRUE(test_server()->Start());
+    GURL empty_url(test_server()->GetURL(
+        "files/webrtc/getusermedia_and_stop.html"));
+    NavigateToURL(shell(), empty_url);
+
+    RenderViewHost* render_view_host =
+        shell()->web_contents()->GetRenderViewHost();
+
+    EXPECT_TRUE(ExecuteJavaScript(render_view_host, L"",
+                                  ASCIIToWide(constraints)));
+
+    ExpectTitle("OK");
+  }
+
+  void ExpectTitle(const std::string& expected_title) const {
+    string16 expected_title16(ASCIIToUTF16(expected_title));
+    TitleWatcher title_watcher(shell()->web_contents(), expected_title16);
+    EXPECT_EQ(expected_title16, title_watcher.WaitAndGetTitle());
+  }
+};
+
+IN_PROC_BROWSER_TEST_F(WebrtcGetUserMediaTest, GetAudioStreamAndStop) {

[perkj_chrome, 2012/11/20 14:20:16]

Add comment what this test do here and below

+  TestGetUserMediaWithConstraints("getUserMedia({audio: true});");
+}
+
+IN_PROC_BROWSER_TEST_F(WebrtcGetUserMediaTest, GetVideoStreamAndStop) {
+  TestGetUserMediaWithConstraints("getUserMedia({video: true});");
+}
+
+IN_PROC_BROWSER_TEST_F(WebrtcGetUserMediaTest, GetAudioAndVideoStreamAndStop) {
+  TestGetUserMediaWithConstraints("getUserMedia({video: true, audio: true});");
+}
+
+}  // namespace content
+