net/websockets: Remove basictypes.h includes.

When necessary use either macros.h or stddef.h.

BUG=138542, 487868, 488550, 539734
TEST=net_unittests
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Review URL: https://codereview.chromium.org/1409343003

Cr-Commit-Position: refs/heads/master@{#354974}
diff --git a/net/websockets/websocket_test_util.cc b/net/websockets/websocket_test_util.cc
index fc494e6..097bab8c 100644
--- a/net/websockets/websocket_test_util.cc
+++ b/net/websockets/websocket_test_util.cc
@@ -4,10 +4,10 @@
 
 #include "net/websockets/websocket_test_util.h"
 
+#include <stddef.h>
 #include <algorithm>
 #include <vector>
 
-#include "base/basictypes.h"
 #include "base/memory/scoped_vector.h"
 #include "base/stl_util.h"
 #include "base/strings/stringprintf.h"
@@ -18,6 +18,7 @@
 namespace net {
 
 namespace {
+
 const uint64_t kA = (static_cast<uint64_t>(0x5851f42d) << 32) +
                     static_cast<uint64_t>(0x4c957f2d);
 const uint64_t kC = 12345;