Updated to most recent version RE2 and remove upstreamed patches.

third_party/re2/testinstall.cc

Index: third_party/re2/testinstall.cc
diff --git a/third_party/re2/testinstall.cc b/third_party/re2/testinstall.cc
new file mode 100644
index 0000000000000000000000000000000000000000..17edfb40e65dfa57ba863cc2c934528b2cab0836
--- /dev/null
+++ b/third_party/re2/testinstall.cc
@@ -0,0 +1,24 @@
+// Copyright 2008 The RE2 Authors.  All Rights Reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+#include <re2/re2.h>
+#include <re2/filtered_re2.h>
+#include <stdio.h>
+
+using namespace re2;
+
+int main(void) {
+	FilteredRE2 f;
+	int id;
+	f.Add("a.*b.*c", RE2::DefaultOptions, &id);
+	vector<string> v;
+	f.Compile(&v);
+
+	if(RE2::FullMatch("axbyc", "a.*b.*c")) {
+		printf("PASS\n");
+		return 0;
+	}
+	printf("FAIL\n");
+	return 2;
+}