Migrate WebRequestRedirectByRegExAction to use RE2 and roll RE2 to revision 97:401ab4168e8e

third_party/re2/patches/remove-posix-option.patch

Index: third_party/re2/patches/remove-posix-option.patch
diff --git a/third_party/re2/patches/remove-posix-option.patch b/third_party/re2/patches/remove-posix-option.patch
deleted file mode 100644
index ba5517247a1c1a1ffb0bae32b5939354f2585029..0000000000000000000000000000000000000000
--- a/third_party/re2/patches/remove-posix-option.patch
+++ /dev/null
@@ -1,24 +0,0 @@
-diff -r 2d252384c5e8 re2/re2.cc
---- a/re2/re2.cc	Mon Mar 05 14:20:36 2012 -0500
-+++ b/re2/re2.cc	Wed Jun 20 20:32:24 2012 +0200
-@@ -40,7 +40,7 @@
- //   log errors
- const RE2::Options RE2::DefaultOptions;  // EncodingUTF8, false, false, true
- const RE2::Options RE2::Latin1(RE2::Options::EncodingLatin1, false, false, true);
--const RE2::Options RE2::POSIX(RE2::Options::EncodingUTF8, true, true, true);
-+//const RE2::Options RE2::POSIX(RE2::Options::EncodingUTF8, true, true, true);
- const RE2::Options RE2::Quiet(RE2::Options::EncodingUTF8, false, false, false);
- 
- // If a regular expression has no error, its error_ field points here
-diff -r 2d252384c5e8 re2/re2.h
---- a/re2/re2.h	Mon Mar 05 14:20:36 2012 -0500
-+++ b/re2/re2.h	Wed Jun 20 20:32:24 2012 +0200
-@@ -233,7 +233,7 @@
-   // RE2 constructor.
-   static const Options DefaultOptions;
-   static const Options Latin1; // treat input as Latin-1 (default UTF-8)
--  static const Options POSIX;  // POSIX syntax, leftmost-longest match
-+  //static const Options POSIX;  // POSIX syntax, leftmost-longest match
-   static const Options Quiet;  // do not log about regexp parse errors
- 
-   // Need to have the const char* and const string& forms for implicit