Expose latin1 methods in WebString

Source/core/platform/chromium/support/WebString.cpp

 /*
  * Copyright (C) 2009 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 78 matching lines @@
 WebString WebString::fromUTF8(const char* data, size_t length)
 {
     return WTF::String::fromUTF8(data, length);
 }
 
 WebString WebString::fromUTF8(const char* data)
 {
     return WTF::String::fromUTF8(data);
 }
 
+std::string WebString::latin1() const
+{
+    String string(m_private.get());
+
+    if (string.is8Bit())

[abarth-chromium, 2013/09/03 15:46:40]

You need to handle the isEmpty() case as well.  You can't call is8Bit on an
empty string.

if (string.isEmpty())
    return std::string();

should be sufficient.

[davidben, 2013/09/03 17:58:25]

Done.

+        return std::string(reinterpret_cast<const char*>(string.characters8()), string.length());
+
+    WebCString latin1 = string.latin1();
+    return std::string(latin1.data(), latin1.length());
+}
+
+WebString WebString::fromLatin1(const char* data, size_t length)
+{
+    return String(data, length);
+}
+
 bool WebString::equals(const WebString& s) const
 {
     return equal(m_private.get(), s.m_private.get());
 }
 
 WebString::WebString(const WTF::String& s)
 {
     m_private = s.impl();
 }
 
@@ skipping 23 matching lines @@
 {
     return WTF::AtomicString(m_private.get());
 }
 
 void WebString::assign(WTF::StringImpl* p)
 {
     m_private = p;
 }
 
 } // namespace WebKit