Added missing well-known conflicting language codes

Added missing well-known conflicting language codes to whitelist of
codes that are often incorrect (see
go/reducing-language-detection-conflicts)

Bug: 765006
Change-Id: I159be446d6521c356461187f94ed372a7494cafc
Reviewed-on: https://chromium-review.googlesource.com/720578Reviewed-by: Jia Meng <jiameng@chromium.org>
Commit-Queue: Jon Napper <napper@chromium.org>
Cr-Commit-Position: refs/heads/master@{#508983}

components/translate/core/language_detection/language_detection_util.cc

@@ -62,8 +62,9 @@ int GetSimilarLanguageGroupCode(const std::string& language) {
 // TODO(toyoshim): Remove these static tables and caller functions to
 // translate/common, and implement them as std::set<>.
 const char* kWellKnownCodesOnWrongConfiguration[] = {
-  "es", "pt", "ja", "ru", "de", "zh-CN", "zh-TW", "ar", "id", "fr", "it", "th"
-};
+    "es", "pt", "ja", "ru", "de", "zh-CN", "zh-TW", "ar",
+    "id", "fr", "it", "th", "hi", "ms",    "vi",    "fa",
+    "ro", "da", "el", "nl", "hu", "tr",    "sv",    "pl"};
 
 // Applies a series of language code modification in proper order.
 void ApplyLanguageCodeCorrection(std::string* code) {