Bug 677252 part.2 Add Eisu keycode for Japanese keyboard layout of Mac r=smichaud, sr=smaug

content/events/public/nsVKList.h

@@ -34,6 +34,7 @@ DEFINE_VK_INTERNAL(_PAUSE),
 DEFINE_VK_INTERNAL(_CAPS_LOCK),
 DEFINE_VK_INTERNAL(_KANA),
 DEFINE_VK_INTERNAL(_HANGUL),
+DEFINE_VK_INTERNAL(_EISU),
 DEFINE_VK_INTERNAL(_JUNJA),
 DEFINE_VK_INTERNAL(_FINAL),
 DEFINE_VK_INTERNAL(_HANJA),

dom/interfaces/events/nsIDOMKeyEvent.idl

@@ -56,6 +56,7 @@ interface nsIDOMKeyEvent : nsIDOMUIEvent
   const unsigned long DOM_VK_CAPS_LOCK      = 0x14;
   const unsigned long DOM_VK_KANA           = 0x15;
   const unsigned long DOM_VK_HANGUL         = 0x15;
+  const unsigned long DOM_VK_EISU           = 0x16; // Japanese Mac keyboard only
   const unsigned long DOM_VK_JUNJA          = 0x17;
   const unsigned long DOM_VK_FINAL          = 0x18;
   const unsigned long DOM_VK_HANJA          = 0x19;

widget/cocoa/TextInputHandler.h

@@ -124,6 +124,7 @@ enum
   kPowerbookEnterKeyCode  = 0x34, // Enter on Powerbook's keyboard is different
 
   // IME keys
+  kJapanese_Eisu          = 0x66,
   kJapanese_Kana          = 0x68,
 
   kInsertKeyCode          = 0x72, // also help key

widget/cocoa/TextInputHandler.mm

@@ -1021,6 +1021,7 @@ TISInputSourceWrapper::ComputeGeckoKeyCode(UInt32 aNativeKeyCode,
     case kKeypadDivideKeyCode:    return NS_VK_DIVIDE;
 
     // IME keys
+    case kJapanese_Eisu:        return NS_VK_EISU;
     case kJapanese_Kana:        return NS_VK_KANA;
 
     // these may clash with forward delete and help
@@ -3860,6 +3861,7 @@ TextInputHandlerBase::IsSpecialGeckoKey(UInt32 aNativeKeyCode)
     case kTabKeyCode:
     case kBackspaceKeyCode:
 
+    case kJapanese_Eisu:
     case kJapanese_Kana:
 
     case kHomeKeyCode: