Disable WebRTC DataChannel GC test on Windows.

content/browser/media/webrtc/webrtc_datachannel_browsertest.cc

 // 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.
 
 #include "base/command_line.h"
 #include "base/macros.h"
 #include "content/public/common/content_switches.h"
 #include "content/test/webrtc_content_browsertest_base.h"
 
 namespace {
 
 const char kJavaScriptFeaturesNeeded[] = "--expose-gc";
 const char kDataChannelHtmlFile[] = "/media/datachannel_test.html";
 
 }  // namespace
 
 namespace content {
 
-#if defined(OS_ANDROID) && defined(ADDRESS_SANITIZER)
+#if defined(OS_WIN) || (defined(OS_ANDROID) && defined(ADDRESS_SANITIZER))
 // GC does not work correctly in some cases under Android ASAN.
 // See https://crbug.com/611620.
+// This test has become flaky on Windows. See https://crbug.com/616388
 #define MAYBE_WebRtcDataChannelTest DISABLED_WebRtcDataChannelTest
 #else
 #define MAYBE_WebRtcDataChannelTest WebRtcDataChannelTest
 #endif
 
 class MAYBE_WebRtcDataChannelTest : public WebRtcContentBrowserTest {
  public:
   MAYBE_WebRtcDataChannelTest() {}
   ~MAYBE_WebRtcDataChannelTest() override {}
 
   void SetUpCommandLine(base::CommandLine* command_line) override {
     WebRtcContentBrowserTest::SetUpCommandLine(command_line);
     AppendUseFakeUIForMediaStreamFlag();
     base::CommandLine::ForCurrentProcess()->AppendSwitchASCII(
         switches::kJavaScriptFlags, kJavaScriptFeaturesNeeded);
   }
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MAYBE_WebRtcDataChannelTest);
 };
 
 IN_PROC_BROWSER_TEST_F(MAYBE_WebRtcDataChannelTest, DataChannelGC) {
   MakeTypicalCall("testDataChannelGC();", kDataChannelHtmlFile);
 }
 
 }  // namespace content