Teach WebString about 8 bit strings

public/platform/WebCommon.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 59 matching lines @@
 
 namespace WebKit {
 
 // UTF-16 character type
 #if defined(WIN32)
 typedef wchar_t WebUChar;
 #else
 typedef unsigned short WebUChar;
 #endif
 
+// Latin-1 character type
+typedef unsigned char WebLChar;
+
 // -----------------------------------------------------------------------------
 // Assertions
 
 WEBKIT_EXPORT void failedAssertion(const char* file, int line, const char* function, const char* assertion);
 
 } // namespace WebKit
 
 // Ideally, only use inside the public directory but outside of WEBKIT_IMPLEMENTATION blocks.  (Otherwise use WTF's ASSERT.)
 #if defined(NDEBUG)
 #define WEBKIT_ASSERT(assertion) ((void)0)
 #else
 #define WEBKIT_ASSERT(assertion) do { \
     if (!(assertion)) \
         failedAssertion(__FILE__, __LINE__, __FUNCTION__, #assertion); \
 } while (0)
 #endif
 
 #define WEBKIT_ASSERT_NOT_REACHED() WEBKIT_ASSERT(0)
 
 #endif