Remove dependency on openssl

Signed-off-by: jdai12 <[email protected]>
Change-Id: I504e0834a2f64f3be5c7c4bdba83b69c12fc415c
Reviewed-on: https://git-ccr-1.devtools.intel.com/gerrit/56090

Author: daijh

webrtc/base/BUILD.gn

@@ -404,17 +404,17 @@ rtc_static_library("rtc_base") {
     "fileutils.cc",
     "fileutils.h",
     "gunit_prod.h",
-    "helpers.cc",
-    "helpers.h",
+#   "helpers.cc",
+#   "helpers.h",
 #   "httpbase.cc",
 #   "httpbase.h",
 #   "httpcommon-inl.h",
 #   "httpcommon.cc",
 #   "httpcommon.h",
 #   "ipaddress.cc",
 #   "ipaddress.h",
-    "messagedigest.cc",
-    "messagedigest.h",
+#   "messagedigest.cc",
+#   "messagedigest.h",
     "messagehandler.cc",
     "messagehandler.h",
     "messagequeue.cc",