Remove few more errors in mac scons build.

webkit/glue/event_conversion.cc

 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 
 #include "base/compiler_specific.h"
 
 #include "KeyboardCodes.h"
 #include "StringImpl.h"  // This is so that the KJS build works
@@ skipping 133 matching lines @@
     default:
       ASSERT_NOT_REACHED();
   }
   return PlatformKeyboardEvent::KeyDown;
 }
 
 static inline String ToSingleCharacterString(UChar c) {
   return String(&c, 1);
 }
 
+#if !defined(OS_MACOSX)
+// This function is not used on Mac OS X, and gcc complains.
 static String GetKeyIdentifierForWindowsKeyCode(unsigned short keyCode) {
   switch (keyCode) {
     case VKEY_MENU:
       return "Alt";
     case VKEY_CONTROL:
       return "Control";
     case VKEY_SHIFT:
       return "Shift";
     case VKEY_CAPITAL:
       return "CapsLock";
@@ skipping 82 matching lines @@
       return "Select";
     case VKEY_UP:
       return "Up";
     // Standard says that DEL becomes U+007F.
     case VKEY_DELETE:
       return "U+007F";
     default:
       return String::format("U+%04X", toupper(keyCode));
   }
 }
+#endif  // !defined(OS_MACOSX)
 
 MakePlatformKeyboardEvent::MakePlatformKeyboardEvent(const WebKeyboardEvent& e)
   {
   m_type = ToPlatformKeyboardEventType(e.type);
   if (m_type == Char || m_type == KeyDown) {
 #if defined(OS_MACOSX)
     m_text = &e.text[0];
     m_unmodifiedText = &e.unmodified_text[0];
     m_keyIdentifier = &e.key_identifier[0];
 
@@ skipping 73 matching lines @@
   switch (windowsVirtualKeyCode()) {
     case VKEY_BACK:
     case VKEY_ESCAPE:
       return false;
 
     default:
       break;
   }
   return true;
 }