Credential manager: Convert strings to URLs early.

public/platform/WebLocalCredential.h

Index: public/platform/WebLocalCredential.h
diff --git a/public/platform/WebLocalCredential.h b/public/platform/WebLocalCredential.h
index 90001c85c120042a20f81919fc42661c51183fb8..0ce73a6d2dd16dff8762b1edd79d81146d8099a1 100644
--- a/public/platform/WebLocalCredential.h
+++ b/public/platform/WebLocalCredential.h
@@ -5,15 +5,16 @@
 #ifndef WebLocalCredential_h
 #define WebLocalCredential_h
 
-#include "WebCommon.h"
-#include "WebCredential.h"
-#include "WebString.h"
+#include "public/platform/WebCommon.h"
+#include "public/platform/WebCredential.h"
+#include "public/platform/WebString.h"
+#include "public/platform/WebURL.h"
 
 namespace blink {
 
 class WebLocalCredential : public WebCredential {
 public:
-    BLINK_PLATFORM_EXPORT WebLocalCredential(const WebString& id, const WebString& name, const WebString& avatarURL, const WebString& password);
+    BLINK_PLATFORM_EXPORT WebLocalCredential(const WebString& id, const WebString& name, const WebURL& avatarURL, const WebString& password);
 
     BLINK_PLATFORM_EXPORT void assign(const WebLocalCredential&);