Upgrade ICU to 54.1

ui/base/l10n/l10n_util_unittest.cc

Index: ui/base/l10n/l10n_util_unittest.cc
diff --git a/ui/base/l10n/l10n_util_unittest.cc b/ui/base/l10n/l10n_util_unittest.cc
index cc25d367884584dd1fa3c20dfa37c0b8080635cf..6474740f2b2c4317486b9be8e17583cb54fbc0f9 100644
--- a/ui/base/l10n/l10n_util_unittest.cc
+++ b/ui/base/l10n/l10n_util_unittest.cc
@@ -459,6 +459,12 @@ TEST_F(L10nUtilTest, GetDisplayNameForLocale) {
   result = l10n_util::GetDisplayNameForLocale("xyz-xyz", "en", false);
   EXPECT_EQ(ASCIIToUTF16("xyz (XYZ)"), result);
 
+  // Make sure that en-GB locale has the corect display names.
+  result = l10n_util::GetDisplayNameForLocale("en", "en-GB", false);
+  EXPECT_EQ(ASCIIToUTF16("English"), result);
+  result = l10n_util::GetDisplayNameForLocale("es-419", "en-GB", false);
+  EXPECT_EQ(ASCIIToUTF16("Spanish (Latin America)"), result);
+
   // Check for directional markers when using RTL languages to ensure that
   // direction neutral characters such as parentheses are properly formatted.