Make hanja key customizable.

chrome/browser/chromeos/language_preferences.cc

Index: chrome/browser/chromeos/language_preferences.cc
diff --git a/chrome/browser/chromeos/language_preferences.cc b/chrome/browser/chromeos/language_preferences.cc
index aece8776f75f362c137a3c0a2cd31c644914fa25..cfefc9db324cbac6771b26cf3d5f659bb6d7daf8 100644
--- a/chrome/browser/chromeos/language_preferences.cc
+++ b/chrome/browser/chromeos/language_preferences.cc
@@ -26,7 +26,7 @@ const char kHotkeyNextEngineInMenu[] =
 const char kHotkeyPreviousEngine[] = "Control+space";
 
 // ---------------------------------------------------------------------------
-// For Traditional Chinese input method (ibus-chewing)
+// For Traditional Chinese input method (ibus-mozc-chewing)
 // ---------------------------------------------------------------------------
 const char kChewingSectionName[] = "engine/Chewing";
 
@@ -139,7 +139,7 @@ const LanguageMultipleChoicePreference<int> kChewingHsuSelKeyType = {
 };
 
 // ---------------------------------------------------------------------------
-// For Korean input method (ibus-hangul)
+// For Korean input method (ibus-mozc-hangul)
 // ---------------------------------------------------------------------------
 const char kHangulSectionName[] = "engine/Hangul";
 const char kHangulKeyboardConfigName[] = "HangulKeyboard";
@@ -148,6 +148,10 @@ const char kHangulHanjaKeysConfigName[] = "HanjaKeys";
 // TODO: HanjaKeys are not configurable yet (and we're not sure if it should.)
 const char kHangulHanjaKeys[] = "F9,Hangul_Hanja,Control+9";
 
+// Mozc-hangul treats Hangul_Hanja key as hanja key event even if it is not set.
+const char kHangulHanjaBindingKeysConfigName[] = "HanjaKeyBindings";
+const char kHangulHanjaBindingKeys[] = "F9,Ctrl 9";
+
 const HangulKeyboardNameIDPair kHangulKeyboardNameIDPairs[] = {
   // We have to sync the |keyboard_id|s with those in
   // ibus-hangul/files/setup/main.py.