fix "IME changed" notification uses a wrong field of IME

chrome/browser/chromeos/input_method/input_method_util_unittest.cc

Index: chrome/browser/chromeos/input_method/input_method_util_unittest.cc
diff --git a/chrome/browser/chromeos/input_method/input_method_util_unittest.cc b/chrome/browser/chromeos/input_method/input_method_util_unittest.cc
index 2b0f8aa8a395d29b4b260ad46f534def81a45dbd..f23f424d08d5d3440927117b25801bc1ac4d3267 100644
--- a/chrome/browser/chromeos/input_method/input_method_util_unittest.cc
+++ b/chrome/browser/chromeos/input_method/input_method_util_unittest.cc
@@ -143,6 +143,26 @@ TEST_F(InputMethodUtilTest, GetInputMethodShortNameTest) {
   }
 }
 
+TEST_F(InputMethodUtilTest, GetInputMethodMediumNameTest) {
+  {
+    string16 japanese = UTF8ToUTF16("\xe6\x97\xa5\xe6\x9c\xac\xe8\xaa\x9e");
+    const char* input_method_id[] =
+        { "mozc", "mozc-dv", "mozc-jp", "zinnia-japanese", };
+    const int len = ARRAYSIZE_UNSAFE(input_method_id);
+    for (int i=0; i<len; ++i) {
+      InputMethodDescriptor desc = GetDesc(input_method_id[i], "", "");
+      string16 medium_name = util_.GetInputMethodMediumName(desc);
+      EXPECT_EQ(japanese,medium_name);
+    }
+  }
+  {
+    InputMethodDescriptor desc = GetDesc("xkb:us::eng", "", "");
+    string16 medium_name = util_.GetInputMethodMediumName(desc);
+    string16 short_name = util_.GetInputMethodShortName(desc);
+    EXPECT_EQ(medium_name,short_name);
+  }
+}
+
 TEST_F(InputMethodUtilTest, GetInputMethodLongNameTest) {
   // For most languages input method or keyboard layout name is returned.
   // See below for exceptions.