OWNERS updates - willchan on extended leave

Sorry, I won't be doing code reviews. Instead, I have left y'all this
picture of a spider. I trust that this settles the matter.

                                          NMMMMMMMMMMMMM7
                                         MMMMMMMMMMMMMMMM
                                        MMMM
                            7777,       MMM
                        NMMMMMMMMMMMMM$ MMM             ZMMM=
                       MMMMMMMMMMMMMMMMMMMM8        ?MMMMMMMMMMMD,
                      MMMMMMMMMMMMMMMMMMMMMMMMM, ,MMMMMMD?=IMMMMMMMM=
                      MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM7          OMMMMMM+
           7MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM7              :MMMMMD
        ,MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM   OMMMMMMN       MMD
      +MMMMM,        :MMMMMMMMMMMMMMMMMMMMMMOMMMMMMMMMMMMMMMMMMMM,
    =MMMMM            MMMMMMMMMMMMMMMMMI  MI  MMMMMMMMMM     IMMMMM+
    NMMM              ~MMMMMMMMMMMMMMMMMOMMMMMMMMMMMMM         ,MMMMM?
                   =7O8MMMMMMMMMMMMMMMMMMMMMMMMMMMMMMM            MMMMM~
            ~DMMMMMMMMMMMMMMMMMMMMMMMMM  DMM  MMMMMMMM              MMMMM
         OMMMMMMMMMO7====MMMMMMMMMMMMMMM     8MMMMMMMM               ,MMMM8
      7MMMMMMZ            MMMMMMMMMMMMMMMMMMMMMMMMMMMZ                 ?MMMM~
    ,MMMMMN,            NMMMMMMMMMMMMMMMMMMMMMMMMMMMM                   +MMMMD
   MMMMM:            ,MMMMMMNMMMMMMMMMMMMMMMMMMMMMMM                      NMMM
 ,MMMM,            ,MMMMM,    $MMMMMMMMMMMMMMMMMMM
  MM?             MMMMO          7MMMMMMMMMMMMM7
                 MMMM             8MMM77?=
                MMMM              MMMO
               ~MMM               MMM
               MMM               ,MMM
              MMMN               7MMM
              MMM                7MMO
             NMM+                7MMM
             MMM                 :MMM
                                  MMM
                                  MMM7
                                  MMMM
                                  ?MMM
                                   OMM

TBR=ajwong,cbentzel,rsleevi,jar
BUG=none

Review URL: https://codereview.chromium.org/537043002

Cr-Commit-Position: refs/heads/master@{#300171}

base/OWNERS

 mark@chromium.org
 darin@chromium.org
-willchan@chromium.org
 ajwong@chromium.org
 thakis@chromium.org
 danakj@chromium.org
 rvargas@chromium.org
 thestig@chromium.org
 
+# On extended leave.
+willchan@chromium.org
+
 per-file *.isolate=csharp@chromium.org
 per-file *.isolate=maruel@chromium.org
 per-file bind.h=ajwong@chromium.org

chrome/browser/OWNERS

@@ -19,6 +19,7 @@ per-file io_thread*=cbentzel@chromium.org
 per-file io_thread*=mmenke@chromium.org
 per-file io_thread*=rch@chromium.org
 per-file io_thread*=rsleevi@chromium.org
+# On extended leave.
 per-file io_thread*=willchan@chromium.org
 
 per-file *.mm=avi@chromium.org

chrome/browser/net/OWNERS

@@ -10,9 +10,11 @@ mmenke@chromium.org
 rdsmith@chromium.org
 rsleevi@chromium.org
 rtenneti@chromium.org
-willchan@chromium.org
 wtc@chromium.org
 
+# On extended leave.
+willchan@chromium.org
+
 per-file disk_cache_dir_policy_handler*=dconnelly@chromium.org
 per-file disk_cache_dir_policy_handler*=joaodasilva@chromium.org
 per-file proxy_policy_handler*=joaodasilva@chromium.org

chrome/browser/profiles/OWNERS

@@ -7,10 +7,12 @@ rlp@chromium.org
 skuhne@chromium.org
 
 # Primarily for ProfileIOData and friends.
-willchan@chromium.org
 mmenke@chromium.org
 ajwong@chromium.org
 
+# Primarily for ProfileIOData and friends, but on extended leave
+willchan@chromium.org
+
 per-file incognito_mode_policy_handler*=dconnelly@chromium.org
 per-file incognito_mode_policy_handler*=joaodasilva@chromium.org
 

chrome/common/net/OWNERS

@@ -10,5 +10,7 @@ mmenke@chromium.org
 rdsmith@chromium.org
 rsleevi@chromium.org
 rtenneti@chromium.org
-willchan@chromium.org
 wtc@chromium.org
+
+# On extended leave.
+willchan@chromium.org

content/test/net/OWNERS

@@ -7,5 +7,7 @@ mattm@chromium.org
 mmenke@chromium.org
 rdsmith@chromium.org
 rtenneti@chromium.org
-willchan@chromium.org
 wtc@chromium.org
+
+# On extended leave.
+willchan@chromium.org

net/OWNERS

@@ -15,7 +15,6 @@ rsleevi@chromium.org
 rtenneti@chromium.org
 rvargas@chromium.org
 ttuttle@chromium.org
-willchan@chromium.org
 
 per-file *.isolate=csharp@chromium.org
 per-file *.isolate=maruel@chromium.org
@@ -24,3 +23,6 @@ per-file *.isolate=maruel@chromium.org
 # so he can continue to review some already in-progress
 # work.
 szym@chromium.org
+
+# On extended leave.
+willchan@chromium.org

third_party/tcmalloc/OWNERS

 jar@chromium.org
+
+# On extended leave.
 willchan@chromium.org