Revert of Update re2

third_party/re2/BUILD.gn

Index: third_party/re2/BUILD.gn
diff --git a/third_party/re2/BUILD.gn b/third_party/re2/BUILD.gn
index e95451cb7246c267a36b9e699cc3c242bf29c080..ca1f7a201c21bad24d0e081869cb3d01dd3619fb 100644
--- a/third_party/re2/BUILD.gn
+++ b/third_party/re2/BUILD.gn
@@ -8,6 +8,7 @@
 
 static_library("re2") {
   sources = [
+    "mswin/stdint.h",
     "re2/bitstate.cc",
     "re2/compile.cc",
     "re2/dfa.cc",
@@ -31,7 +32,6 @@
     "re2/set.cc",
     "re2/set.h",
     "re2/simplify.cc",
-    "re2/stringpiece.cc",
     "re2/stringpiece.h",
     "re2/tostring.cc",
     "re2/unicode_casefold.cc",
@@ -40,21 +40,21 @@
     "re2/unicode_groups.h",
     "re2/variadic_function.h",
     "re2/walker-inl.h",
+    "util/arena.cc",
+    "util/arena.h",
     "util/atomicops.h",
     "util/flags.h",
     "util/hash.cc",
-    "util/logging.cc",
     "util/logging.h",
     "util/mutex.h",
     "util/rune.cc",
     "util/sparse_array.h",
     "util/sparse_set.h",
+    "util/stringpiece.cc",
     "util/stringprintf.cc",
     "util/strutil.cc",
     "util/utf.h",
     "util/util.h",
-    "util/valgrind.cc",
-    "util/valgrind.h",
   ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]
@@ -66,9 +66,12 @@
   ]
 
   if (is_win) {
+    include_dirs = [ "mswin" ]
     cflags = [
       "/wd4018",  # Signed/unsigned mismatch in comparison.
       "/wd4722",  # Destructor never terminates.
     ]
+  } else {
+    sources -= [ "mswin/stdint.h" ]
   }
 }