Disabling WebRtcAudioQualityBrowserTest for Win 7

chrome/browser/media/webrtc/webrtc_browsertest_base.cc

Index: chrome/browser/media/webrtc/webrtc_browsertest_base.cc
diff --git a/chrome/browser/media/webrtc/webrtc_browsertest_base.cc b/chrome/browser/media/webrtc/webrtc_browsertest_base.cc
index d232889106d41036fd8bd191f11b1aa6336317b1..e4d29692181714f5096ad5594003426caf4624b7 100644
--- a/chrome/browser/media/webrtc/webrtc_browsertest_base.cc
+++ b/chrome/browser/media/webrtc/webrtc_browsertest_base.cc
@@ -458,6 +458,14 @@ std::string WebRtcTestBase::GetStreamSize(
   return result.substr(3);
 }
 
+bool WebRtcTestBase::OnWin7() const {
+#if defined(OS_WIN)
+  return base::win::GetVersion() == base::win::VERSION_WIN7;
+#else
+  return false;
+#endif
+}
+
 bool WebRtcTestBase::OnWin8() const {
 #if defined(OS_WIN)
   return base::win::GetVersion() > base::win::VERSION_WIN7;