Roll src/third_party/re2/src/ ab12219ba..eecfdbf17 (3 commits)

https://chromium.googlesource.com/external/github.com/google/re2.git/+log/ab12219ba56a..eecfdbf1701d

$ git log ab12219ba..eecfdbf17 --date=short --no-merges --format='%ad %ae %s'
2019-10-29 junyer Tweak some printed debugging for style.
2019-10-29 junyer Address the MSVC warnings that crept in recently.
2019-10-29 junyer Simplify parse_double_float() in util/pcre.cc.

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

R=mmoroz@chromium.org

Change-Id: I8df22f5d69eacf5a4dc665f79b7197935fe90572
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1894068Reviewed-by: Nico Weber <thakis@chromium.org>
Commit-Queue: Nico Weber <thakis@chromium.org>
Cr-Commit-Position: refs/heads/master@{#711743}

DEPS

@@ -1408,7 +1408,7 @@ deps = {
   },
 
   'src/third_party/re2/src':
-    Var('chromium_git') + '/external/github.com/google/re2.git' + '@' + 'ab12219ba56a47200385673446b5d371548c25db',
+    Var('chromium_git') + '/external/github.com/google/re2.git' + '@' + 'eecfdbf1701dd7ebad2f28b9965ca09e0bfb45b0',
 
   'src/third_party/r8': {
       'packages': [