Optimize WebURL -> GURL conversions

public/platform/WebString.h

Index: public/platform/WebString.h
diff --git a/public/platform/WebString.h b/public/platform/WebString.h
index 7d607d77d708a5b0b1147aa02de8af091bc38826..81809f9aaad4dcc0a2f82c88b78f93539eece66d 100644
--- a/public/platform/WebString.h
+++ b/public/platform/WebString.h
@@ -33,6 +33,7 @@
 
 #include "WebCommon.h"
 #include "WebPrivatePtr.h"
+#include <string>
 
 #if INSIDE_WEBKIT
 #include <wtf/Forward.h>
@@ -79,6 +80,7 @@ public:
     BLINK_COMMON_EXPORT void assign(const WebUChar* data, size_t len);
 
     BLINK_COMMON_EXPORT bool equals(const WebString&) const;
+    BLINK_COMMON_EXPORT bool lessThan(const WebString&) const;
 
     BLINK_COMMON_EXPORT size_t length() const;
 
@@ -89,6 +91,7 @@ public:
     bool isNull() const { return m_private.isNull(); }
 
     BLINK_COMMON_EXPORT WebCString utf8() const;
+    BLINK_COMMON_EXPORT std::string toUTF8String() const;
 
     BLINK_COMMON_EXPORT static WebString fromUTF8(const char* data, size_t length);
     BLINK_COMMON_EXPORT static WebString fromUTF8(const char* data);
@@ -169,6 +172,11 @@ private:
     WebPrivatePtr<WTF::StringImpl> m_private;
 };
 
+inline bool operator<(const WebString& a, const WebString& b)
+{
+    return a.lessThan(b);
+}
+
 inline bool operator==(const WebString& a, const WebString& b)
 {
     return a.equals(b);