Roll src/third_party/re2/src/ 687524544..a8176127e (4 commits)

https://chromium.googlesource.com/external/github.com/google/re2.git/+log/68752454406a..a8176127eebc

$ git log 687524544..a8176127e --date=short --no-merges --format='%ad %ae %s'
2019-01-25 junyer Crudely limit the use of various character classes when fuzzing.
2019-01-21 junyer Oops, std::string_view requires C++17.
2019-01-21 junyer Support constructing StringPiece from std::string_view.
2019-01-21 junyer Add Clang 8 to the Travis CI matrix.

Created with:
  roll-dep src/third_party/re2/src

[email protected]

Bug: 0
Change-Id: I23911a1ee484df3ab4a64042f49782a7cfc9aa4f
Reviewed-on: https://chromium-review.googlesource.com/c/1436592
Reviewed-by: Max Moroz <[email protected]>
Commit-Queue: Max Moroz <[email protected]>
Cr-Commit-Position: refs/heads/master@{#626082}
diff --git a/DEPS b/DEPS
index 7625024..6b6e237b 100644
--- a/DEPS
+++ b/DEPS
@@ -1103,7 +1103,7 @@
   },
 
   'src/third_party/re2/src':
-    Var('chromium_git') + '/external/github.com/google/re2.git' + '@' + '68752454406a2ca8de090e41927702288dfe101e',
+    Var('chromium_git') + '/external/github.com/google/re2.git' + '@' + 'a8176127eebcfef98db8ef9a22d1fa708b196e7c',
 
   'src/third_party/r8': {
       'packages': [