Replace RE2 import with a dependency

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 9b689337cdaad38a277d23d318e2233b684b7d3a..3777b6d96eb0e0b17bd3d5aa96f68fac16fd95e3 100644
--- a/third_party/re2/BUILD.gn
+++ b/third_party/re2/BUILD.gn
@@ -3,58 +3,58 @@
 # found in the LICENSE file.
 
 config("re2_config") {
-  include_dirs = [ "." ]
+  include_dirs = [ "src" ]
 }
 
 static_library("re2") {
   sources = [
-    "re2/bitstate.cc",
-    "re2/compile.cc",
-    "re2/dfa.cc",
-    "re2/filtered_re2.cc",
-    "re2/filtered_re2.h",
-    "re2/mimics_pcre.cc",
-    "re2/nfa.cc",
-    "re2/onepass.cc",
-    "re2/parse.cc",
-    "re2/perl_groups.cc",
-    "re2/prefilter.cc",
-    "re2/prefilter.h",
-    "re2/prefilter_tree.cc",
-    "re2/prefilter_tree.h",
-    "re2/prog.cc",
-    "re2/prog.h",
-    "re2/re2.cc",
-    "re2/re2.h",
-    "re2/regexp.cc",
-    "re2/regexp.h",
-    "re2/set.cc",
-    "re2/set.h",
-    "re2/simplify.cc",
-    "re2/stringpiece.cc",
-    "re2/stringpiece.h",
-    "re2/tostring.cc",
-    "re2/unicode_casefold.cc",
-    "re2/unicode_casefold.h",
-    "re2/unicode_groups.cc",
-    "re2/unicode_groups.h",
-    "re2/variadic_function.h",
-    "re2/walker-inl.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/stringprintf.cc",
-    "util/strutil.cc",
-    "util/utf.h",
-    "util/util.h",
-    "util/valgrind.cc",
-    "util/valgrind.h",
+    "src/re2/bitstate.cc",
+    "src/re2/compile.cc",
+    "src/re2/dfa.cc",
+    "src/re2/filtered_re2.cc",
+    "src/re2/filtered_re2.h",
+    "src/re2/mimics_pcre.cc",
+    "src/re2/nfa.cc",
+    "src/re2/onepass.cc",
+    "src/re2/parse.cc",
+    "src/re2/perl_groups.cc",
+    "src/re2/prefilter.cc",
+    "src/re2/prefilter.h",
+    "src/re2/prefilter_tree.cc",
+    "src/re2/prefilter_tree.h",
+    "src/re2/prog.cc",
+    "src/re2/prog.h",
+    "src/re2/re2.cc",
+    "src/re2/re2.h",
+    "src/re2/regexp.cc",
+    "src/re2/regexp.h",
+    "src/re2/set.cc",
+    "src/re2/set.h",
+    "src/re2/simplify.cc",
+    "src/re2/stringpiece.cc",
+    "src/re2/stringpiece.h",
+    "src/re2/tostring.cc",
+    "src/re2/unicode_casefold.cc",
+    "src/re2/unicode_casefold.h",
+    "src/re2/unicode_groups.cc",
+    "src/re2/unicode_groups.h",
+    "src/re2/variadic_function.h",
+    "src/re2/walker-inl.h",
+    "src/util/atomicops.h",
+    "src/util/flags.h",
+    "src/util/hash.cc",
+    "src/util/logging.cc",
+    "src/util/logging.h",
+    "src/util/mutex.h",
+    "src/util/rune.cc",
+    "src/util/sparse_array.h",
+    "src/util/sparse_set.h",
+    "src/util/stringprintf.cc",
+    "src/util/strutil.cc",
+    "src/util/utf.h",
+    "src/util/util.h",
+    "src/util/valgrind.cc",
+    "src/util/valgrind.h",
   ]
 
   configs -= [ "//build/config/compiler:chromium_code" ]