Remove the --use-spdy-over-quic command line option. Always use SPDY over QUIC.

chrome/common/chrome_switches.cc

Index: chrome/common/chrome_switches.cc
diff --git a/chrome/common/chrome_switches.cc b/chrome/common/chrome_switches.cc
index 6dd50b82b9316a39b6202f8b2f8d0a354fb1a9d3..402be6321938afe410d03ebdca75f935146caa1a 100644
--- a/chrome/common/chrome_switches.cc
+++ b/chrome/common/chrome_switches.cc
@@ -1350,10 +1350,6 @@ const char kUninstall[]                     = "uninstall";
 // testing flag.
 const char kUseSpdy[]                       = "use-spdy";
 
-// Uses Spdy for encoding QUIC requests instead of HTTP. This is a temporary
-// testing flag.
-const char kUseSpdyOverQuic[]               = "use-spdy-over-quic";
-
 // Disables use of the spelling web service and only provides suggestions.
 // This will only work if asynchronous spell checking is not disabled.
 const char kUseSpellingSuggestions[]            = "use-spelling-suggestions";