14780: Always show full variation names.

Fix brave/brave-browser#14780

chromium_src/components/version_ui/DEPS

@@ -0,0 +1,4 @@
+include_rules = [
+  "+../../../../components/version_ui",
+  "+components/version_ui",
+]

chromium_src/components/version_ui/version_handler_helper.cc

@@ -0,0 +1,36 @@
+/* Copyright (c) 2021 The Brave Authors. All rights reserved.
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#define GetVariationsList GetVariationsList_ChromiumImpl
+#include "../../../../components/version_ui/version_handler_helper.cc"
+#undef GetVariationsList
+
+namespace version_ui {
+
+// Brave always shows full variations names instead of hashes.
+std::unique_ptr<base::Value> GetVariationsList() {
+  std::vector<std::string> variations;
+  base::FieldTrial::ActiveGroups active_groups;
+  base::FieldTrialList::GetActiveFieldTrialGroups(&active_groups);
+
+  const unsigned char kNonBreakingHyphenUTF8[] = {0xE2, 0x80, 0x91, '\0'};
+  const std::string kNonBreakingHyphenUTF8String(
+      reinterpret_cast<const char*>(kNonBreakingHyphenUTF8));
+  for (const auto& group : active_groups) {
+    std::string line = group.trial_name + ":" + group.group_name;
+    base::ReplaceChars(line, "-", kNonBreakingHyphenUTF8String, &line);
+    variations.push_back(line);
+  }
+
+  std::unique_ptr<base::ListValue> variations_list(new base::ListValue);
+  for (std::vector<std::string>::const_iterator it = variations.begin();
+       it != variations.end(); ++it) {
+    variations_list->AppendString(*it);
+  }
+
+  return std::move(variations_list);
+}
+
+}  // namespace version_ui