Remove PlatformKeyboardEvents requirement to have located virtual keycode information.

Source/core/events/KeyboardEvent.cpp

Index: Source/core/events/KeyboardEvent.cpp
diff --git a/Source/core/events/KeyboardEvent.cpp b/Source/core/events/KeyboardEvent.cpp
index 54e373d63e29d822fea49978759ac7cbd8d23188..fe5a977f487d5c5972a42c5aae9cd01bd1952f42 100644
--- a/Source/core/events/KeyboardEvent.cpp
+++ b/Source/core/events/KeyboardEvent.cpp
@@ -49,42 +49,15 @@ static inline const AtomicString& eventTypeForKeyboardEventType(PlatformEvent::T
     return EventTypeNames::keydown;
 }
 
-static inline int windowsVirtualKeyCodeWithoutLocation(int keycode)
-{
-    switch (keycode) {
-    case VK_LCONTROL:
-    case VK_RCONTROL:
-        return VK_CONTROL;
-    case VK_LSHIFT:
-    case VK_RSHIFT:
-        return VK_SHIFT;
-    case VK_LMENU:
-    case VK_RMENU:
-        return VK_MENU;
-    default:
-        return keycode;
-    }
-}
-
 static inline KeyboardEvent::KeyLocationCode keyLocationCode(const PlatformKeyboardEvent& key)
 {
     if (key.isKeypad())
         return KeyboardEvent::DOM_KEY_LOCATION_NUMPAD;
-
-    switch (key.windowsVirtualKeyCode()) {
-    case VK_LCONTROL:
-    case VK_LSHIFT:
-    case VK_LMENU:
-    case VK_LWIN:
+    if (key.modifiers() & PlatformEvent::IsLeft)
         return KeyboardEvent::DOM_KEY_LOCATION_LEFT;
-    case VK_RCONTROL:
-    case VK_RSHIFT:
-    case VK_RMENU:
-    case VK_RWIN:
+    if (key.modifiers() & PlatformEvent::IsRight)
         return KeyboardEvent::DOM_KEY_LOCATION_RIGHT;
-    default:
-        return KeyboardEvent::DOM_KEY_LOCATION_STANDARD;
-    }
+    return KeyboardEvent::DOM_KEY_LOCATION_STANDARD;
 }
 
 PassRefPtrWillBeRawPtr<KeyboardEvent> KeyboardEvent::create(ScriptState* scriptState, const AtomicString& type, const KeyboardEventInit& initializer)
@@ -185,7 +158,7 @@ int KeyboardEvent::keyCode() const
 #endif
 
     if (type() == EventTypeNames::keydown || type() == EventTypeNames::keyup)
-        return windowsVirtualKeyCodeWithoutLocation(m_keyEvent->windowsVirtualKeyCode());
+        return m_keyEvent->windowsVirtualKeyCode();
 
     return charCode();
 }