Inclusive Language: replaced blacklist with blocklist.

We have found this code as part of Cros-Borders project. Thanks to
myy@ for discovering it.

Bug: 1097287, b:163002438
Change-Id: I10643a0934677c0dcb43e59b7387155ca2792722
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2366534
Commit-Queue: Claudio M <claudiomagni@chromium.org>
Reviewed-by: Rouslan Solomakhin <rouslan@chromium.org>
Cr-Commit-Position: refs/heads/master@{#800404}

chrome/browser/spellchecker/spellcheck_service.cc

@@ -416,19 +416,19 @@ void SpellcheckService::LoadDictionaries() {
   const base::ListValue* forced_dictionaries =
       prefs->GetList(spellcheck::prefs::kSpellCheckForcedDictionaries);
 
-  // Build a lookup of blacklisted dictionaries to skip loading them.
-  const base::ListValue* blacklisted_dictionaries =
+  // Build a lookup of blocked dictionaries to skip loading them.
+  const base::ListValue* blocked_dictionaries =
       prefs->GetList(spellcheck::prefs::kSpellCheckBlocklistedDictionaries);
-  std::unordered_set<std::string> blacklisted_dictionaries_lookup;
-  for (const auto& blacklisted_dict : blacklisted_dictionaries->GetList()) {
-    blacklisted_dictionaries_lookup.insert(blacklisted_dict.GetString());
+  std::unordered_set<std::string> blocked_dictionaries_lookup;
+  for (const auto& blocked_dict : blocked_dictionaries->GetList()) {
+    blocked_dictionaries_lookup.insert(blocked_dict.GetString());
   }
 
   // Merge both lists of dictionaries. Use a set to avoid duplicates.
   std::set<std::string> dictionaries;
   for (const auto& dictionary_value : user_dictionaries->GetList()) {
-    if (blacklisted_dictionaries_lookup.find(dictionary_value.GetString()) ==
-        blacklisted_dictionaries_lookup.end())
+    if (blocked_dictionaries_lookup.find(dictionary_value.GetString()) ==
+        blocked_dictionaries_lookup.end())
       dictionaries.insert(dictionary_value.GetString());
   }
   for (const auto& dictionary_value : forced_dictionaries->GetList()) {