Make sure MediaStreamManager handles requests in order.

content/browser/media/webrtc_getusermedia_browsertest.cc

 // 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.
 
 #include "base/command_line.h"
 #include "base/debug/trace_event_impl.h"
 #include "base/json/json_reader.h"
 #include "base/strings/stringprintf.h"
 #include "base/test/trace_event_analyzer.h"
 #include "base/values.h"
@@ skipping 434 matching lines @@
 }
 
 IN_PROC_BROWSER_TEST_P(WebRtcGetUserMediaBrowserTest,
                        TwoGetUserMediaWithEqualConstraints) {
   std::string constraints1 = "{video: true, audio: true}";
   const std::string& constraints2 = constraints1;
   std::string expected_result = "w=640:h=480-w=640:h=480";
 
   RunTwoGetTwoGetUserMediaWithDifferentContraints(constraints1, constraints2,
                                                   expected_result);
- }
+}
 
 IN_PROC_BROWSER_TEST_P(WebRtcGetUserMediaBrowserTest,
                        TwoGetUserMediaWithSecondVideoCropped) {
   std::string constraints1 = "{video: true}";
   std::string constraints2 = "{video: {mandatory: {maxHeight: 360}}}";
   std::string expected_result = "w=640:h=480-w=640:h=360";
   RunTwoGetTwoGetUserMediaWithDifferentContraints(constraints1, constraints2,
                                                   expected_result);
 }
 
 IN_PROC_BROWSER_TEST_P(WebRtcGetUserMediaBrowserTest,
-                       DISABLED_TwoGetUserMediaWithFirstHdSecondVga) {
+                       TwoGetUserMediaWithFirstHdSecondVga) {
   std::string constraints1 =
       "{video: {mandatory: {minWidth:1280 , minHeight: 720}}}";
   std::string constraints2 =
       "{video: {mandatory: {maxWidth:640 , maxHeight: 480}}}";
   std::string expected_result = "w=1280:h=720-w=640:h=480";
   RunTwoGetTwoGetUserMediaWithDifferentContraints(constraints1, constraints2,
                                                   expected_result);
 }
 
 IN_PROC_BROWSER_TEST_P(WebRtcGetUserMediaBrowserTest,
@@ skipping 122 matching lines @@
     {640, 640, 360, 360, 10, 30},
     {640, 640, 480, 480, 10, 30},
     {960, 960, 720, 720, 10, 30},
     {1280, 1280, 720, 720, 10, 30}};
 
 INSTANTIATE_TEST_CASE_P(UserMedia,
                         WebRtcConstraintsBrowserTest,
                         testing::ValuesIn(kAllUserMediaSizes));
 
 }  // namespace content