Move various Chromium QUIC files to net/quic/chromium where they belong

net/quic/chromium/quic_http_utils.h

Index: net/quic/chromium/quic_http_utils.h
diff --git a/net/quic/core/quic_http_utils.h b/net/quic/chromium/quic_http_utils.h
similarity index 86%
rename from net/quic/core/quic_http_utils.h
rename to net/quic/chromium/quic_http_utils.h
index ffb7c3711ff050445763583b52cb75d5bb2d8ae7..44435130517c1f3c9d85abdd38d9f6c26499a686 100644
--- a/net/quic/core/quic_http_utils.h
+++ b/net/quic/chromium/quic_http_utils.h
@@ -2,8 +2,8 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef NET_QUIC_QUIC_HTTP_UTILS_H_
-#define NET_QUIC_QUIC_HTTP_UTILS_H_
+#ifndef NET_QUIC_CHROMIUM_QUIC_HTTP_UTILS_H_
+#define NET_QUIC_CHROMIUM_QUIC_HTTP_UTILS_H_
 
 #include "base/values.h"
 #include "net/base/net_export.h"
@@ -29,4 +29,4 @@ NET_EXPORT std::unique_ptr<base::Value> QuicRequestNetLogCallback(
 
 }  // namespace net
 
-#endif  // NET_QUIC_QUIC_HTTP_UTILS_H_
+#endif  // NET_QUIC_CHROMIUM_QUIC_HTTP_UTILS_H_