Switch to WebFrame from the WebKit API....

webkit/api/src/WebString.cpp

Index: webkit/api/src/WebString.cpp
===================================================================
--- webkit/api/src/WebString.cpp	(revision 22886)
+++ webkit/api/src/WebString.cpp	(working copy)
@@ -31,6 +31,9 @@
 #include "config.h"
 #include "WebString.h"
 
+#include "WebCString.h"
+
+#include "CString.h"
 #include "PlatformString.h"
 #include "AtomicString.h"
 
@@ -68,6 +71,11 @@
     return m_private ? const_cast<WebStringPrivate*>(m_private)->characters() : 0;
 }
 
+WebCString WebString::utf8() const
+{
+    return WebCore::String(m_private).utf8();
+}
+
 WebString WebString::fromUTF8(const char* data, size_t length)
 {
     return WebCore::String::fromUTF8(data, length);