Use "CN" for simplified Chinese and "TW" for traditonal Chinese, rather than "ZH".

BUG=chromium-os:4696
TEST=checked manually

Review URL: http://codereview.chromium.org/2979008

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@52451 0039d316-1c4b-4281-b951-d872f2087c98

2 files changed, 36 insertions, 3 deletions

diff --git a/chrome/browser/chromeos/status/language_menu_button.cc b/chrome/browser/chromeos/status/language_menu_button.cc
index ead28ac..a8bc7d0 100644
--- a/chrome/browser/chromeos/status/language_menu_button.cc
+++ b/chrome/browser/chromeos/status/language_menu_button.cc
@@ -8,6 +8,7 @@
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
+#include "base/string_util.h"
 #include "base/time.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/browser_process.h"
@@ -606,9 +607,21 @@ std::wstring LanguageMenuButton::GetTextForIndicator(
 
   if (text.empty()) {
     const size_t kMaxLanguageNameLen = 2;
-    const std::wstring language_code = UTF8ToWide(
-        input_method::GetLanguageCodeFromDescriptor(input_method));
-    text = StringToUpperASCII(language_code).substr(0, kMaxLanguageNameLen);
+    std::string language_code =
+        input_method::GetLanguageCodeFromDescriptor(input_method);
+
+    // Use "CN" for simplified Chinese and "TW" for traditonal Chinese,
+    // rather than "ZH".
+    if (StartsWithASCII(language_code, "zh-", false)) {
+      std::vector<std::string> portions;
+      SplitString(language_code, '-', &portions);
+      if (portions.size() >= 2 && !portions[1].empty()) {
+        language_code = portions[1];
+      }
+    }
+
+    text = StringToUpperASCII(UTF8ToWide(language_code)).substr(
+        0, kMaxLanguageNameLen);
   }
   DCHECK(!text.empty());
   return text;
diff --git a/chrome/browser/chromeos/status/language_menu_button_unittest.cc b/chrome/browser/chromeos/status/language_menu_button_unittest.cc
index 3f3372c..a5094ca 100644
--- a/chrome/browser/chromeos/status/language_menu_button_unittest.cc
+++ b/chrome/browser/chromeos/status/language_menu_button_unittest.cc
@@ -44,6 +44,26 @@ TEST(LanguageMenuButtonTest, GetTextForIndicatorTest) {
               LanguageMenuButton::GetTextForIndicator(desc));
   }
   {
+    InputMethodDescriptor desc("pinyin", "Pinyin", "us", "zh-CN");
+    EXPECT_EQ(UTF8ToWide("CN"),
+              LanguageMenuButton::GetTextForIndicator(desc));
+  }
+  {
+    InputMethodDescriptor desc("chewing", "Chewing", "us", "zh-TW");
+    EXPECT_EQ(UTF8ToWide("TW"),
+              LanguageMenuButton::GetTextForIndicator(desc));
+  }
+  {
+    InputMethodDescriptor desc("m17n:zh:cangjie", "Cangjie", "us", "zh-TW");
+    EXPECT_EQ(UTF8ToWide("TW"),
+              LanguageMenuButton::GetTextForIndicator(desc));
+  }
+  {
+    InputMethodDescriptor desc("m17n:zh:quick", "Quick", "us", "zh-TW");
+    EXPECT_EQ(UTF8ToWide("TW"),
+              LanguageMenuButton::GetTextForIndicator(desc));
+  }
+  {
     InputMethodDescriptor desc("m17n:t:latn-pre", "latn-pre", "us", "t");
     EXPECT_EQ(L"LAT",
               LanguageMenuButton::GetTextForIndicator(desc));