Update //base to chromium 9659b08ea5a34f889dc4166217f438095ddc10d2

This updates our copy of //base to be based off of commit 9659b08ea by
performing the following commands:

1.) Check out //base at 9659b08ea
2.) Apply the //base portion of the following commits from mojo:

57ca940d8410a27fdf517b6194d7ecb0f29ecc2a
c3b05c507e712f4ee65522e0a00e38c735c85244
d3482c6d25faabd04dffcea32d4dee18af74d600
18a6ce7215ece72e4359600852bb0cf5fd87339f
a67383613f17083d918c31cf377932f5b43b91ab
0204e1a3a6679a0e634b66f661e23f424f044152
d423877725e8606e5ebac142e5c4b5c8c2dc4810
7a690c5c0344946ed74402d61d473502bc03ad77
cfeba3cce284f8a4d382337201d479768bb0eb77
df7f866ce3da1ef3c212cde977a6a77dc832ce22
57be778fd4d820b026165969352d7b40d476730b
34776a703d8cce41052e5a3867a23d8970fbb549
0f5eacecbe12aae15b114a8511ae718506431b37
c4ebd590b6e2749a4ab3f97fd49bbd3a4d510759

3.) Fix up the rest of the repo for //base API changes:
  *) StartsWith/EndsWith string functions are in base:: namespace and have
  slightly different options
  *) Tokenize replaced with base::SplitString
  *) MessageLoopProxy removed, use TaskRunner instead

4.) git cl format, gn format
5.) Delete OWNERS file import from //base/mac to //chrome/...

This puts mojo's copy at base very close to parity with the flutter engine's
copy.

R=viettrungluu@chromium.org

Review URL: https://codereview.chromium.org/1641513004 .

origin.cc

diff --git a/origin.cc b/origin.cc
index 8aaa173..cebf5dd 100644
--- a/origin.cc
+++ b/origin.cc
@@ -4,14 +4,15 @@
 
 #include "url/origin.h"
 
-#include "base/strings/string_util.h"
+#include "base/logging.h"
+#include "base/strings/pattern.h"
 
 namespace url {
 
 Origin::Origin() : string_("null") {}
 
 Origin::Origin(const std::string& origin) : string_(origin) {
-  DCHECK(origin == "null" || MatchPattern(origin, "?*://?*"));
+  DCHECK(origin == "null" || base::MatchPattern(origin, "?*://?*"));
   DCHECK_GT(origin.size(), 0u);
   DCHECK(origin == "file://" || origin[origin.size() - 1] != '/');
 }