Add some language aliases to track changes to base/ui/l10n_util.cc.

chrome/installer/util/language_selector.cc

Index: chrome/installer/util/language_selector.cc
diff --git a/chrome/installer/util/language_selector.cc b/chrome/installer/util/language_selector.cc
index d47998fa468b4dbb4c7beb7889e7fb78ac81d3d0..2923a8e8163441213717196519e0ca380b9c84ea 100644
--- a/chrome/installer/util/language_selector.cc
+++ b/chrome/installer/util/language_selector.cc
@@ -48,6 +48,13 @@ const LangToOffset kLanguageOffsetPairs[] = {
 // for which translations are available.
 const LangToOffset kLanguageToOffsetExceptions[] = {
 #if defined(GOOGLE_CHROME_BUILD)
+  // Alias some English variants to British English (all others wildcard to US).
+  { L"en-au", IDS_L10N_OFFSET_EN_GB },
+  { L"en-ca", IDS_L10N_OFFSET_EN_GB },
+  { L"en-nz", IDS_L10N_OFFSET_EN_GB },
+  { L"en-za", IDS_L10N_OFFSET_EN_GB },
+  // Alias es-es to es (all others wildcard to es-419).
+  { L"es-es", IDS_L10N_OFFSET_ES },
   // Google web properties use iw for he. Handle both just to be safe.
   { L"he", IDS_L10N_OFFSET_IW },
   // Google web properties use no for nb. Handle both just to be safe.