Expand net::CookieStore::ChangeCause::EXPLICIT for debugging.

net/cookies/cookie_monster.cc

Index: net/cookies/cookie_monster.cc
diff --git a/net/cookies/cookie_monster.cc b/net/cookies/cookie_monster.cc
index b656d83e6c078a0594dfd3c0f76d87ca0ea78488..594f380b610dff12a2ab376925841097d97ea0c4 100644
--- a/net/cookies/cookie_monster.cc
+++ b/net/cookies/cookie_monster.cc
@@ -274,7 +274,7 @@ typedef struct ChangeCausePair_struct {
 } ChangeCausePair;
 const ChangeCausePair kChangeCauseMapping[] = {
     // DELETE_COOKIE_EXPLICIT
-    {CookieStore::ChangeCause::EXPLICIT, true},
+    {CookieStore::ChangeCause::EXPLICIT1, true},
     // DELETE_COOKIE_OVERWRITE
     {CookieStore::ChangeCause::OVERWRITE, true},
     // DELETE_COOKIE_EXPIRED
@@ -282,9 +282,9 @@ const ChangeCausePair kChangeCauseMapping[] = {
     // DELETE_COOKIE_EVICTED
     {CookieStore::ChangeCause::EVICTED, true},
     // DELETE_COOKIE_DUPLICATE_IN_BACKING_STORE
-    {CookieStore::ChangeCause::EXPLICIT, false},
+    {CookieStore::ChangeCause::EXPLICIT2, false},

[Mike West, 2016/12/22 07:31:09]

Why not name them to match the cause in CookieMonster? That is, why `EXPLICIT2`
instead of `EXPLICIT_DUPLICATE_IN_BACKING_STORE`?

[nharper, 2016/12/23 01:42:55]

Done.

     // DELETE_COOKIE_DONT_RECORD
-    {CookieStore::ChangeCause::EXPLICIT, false},
+    {CookieStore::ChangeCause::EXPLICIT3, false},
     // DELETE_COOKIE_EVICTED_DOMAIN
     {CookieStore::ChangeCause::EVICTED, true},
     // DELETE_COOKIE_EVICTED_GLOBAL
@@ -300,7 +300,7 @@ const ChangeCausePair kChangeCauseMapping[] = {
     // DELETE_COOKIE_NON_SECURE
     {CookieStore::ChangeCause::EVICTED, true},
     // DELETE_COOKIE_LAST_ENTRY
-    {CookieStore::ChangeCause::EXPLICIT, false}};
+    {CookieStore::ChangeCause::EXPLICIT4, false}};
 
 void RunAsync(scoped_refptr<base::TaskRunner> proxy,
               const CookieStore::CookieChangedCallback& callback,