Optimize WebURL -> GURL conversions

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 16 matching lines @@
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "public/platform/WebString.h"
 
 #include "public/platform/WebCString.h"
 #include "wtf/text/AtomicString.h"
 #include "wtf/text/CString.h"
+#include "wtf/text/StringUTF8Adaptor.h"
 #include "wtf/text/WTFString.h"
 
 namespace WebKit {
 
 void WebString::reset()
 {
     m_private.reset();
 }
 
 void WebString::assign(const WebString& other)
@@ skipping 30 matching lines @@
 const WebUChar* WebString::data16() const
 {
     return !m_private.isNull() && !is8Bit() ? m_private->characters16() : 0;
 }
 
 WebCString WebString::utf8() const
 {
     return WTF::String(m_private.get()).utf8();
 }
 
+std::string WebString::toUTF8String() const
+{
+    StringUTF8Adaptor utf8(m_private.get());
+    return std::string(utf8.data(), utf8.length());
+}
+
 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);
 }
 
@@ skipping 33 matching lines @@
 {
     return WTF::AtomicString(m_private.get());
 }
 
 void WebString::assign(WTF::StringImpl* p)
 {
     m_private = p;
 }
 
 } // namespace WebKit