Rename avatarURL to iconURL in the credential manager in Blink.

Source/platform/credentialmanager/PlatformPasswordCredential.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "platform/credentialmanager/PlatformPasswordCredential.h"
 
 namespace blink {
 
-PlatformPasswordCredential* PlatformPasswordCredential::create(const String& id, const String& password, const String& name, const KURL& avatarURL)
+PlatformPasswordCredential* PlatformPasswordCredential::create(const String& id, const String& password, const String& name, const KURL& iconURL)
 {
-    return new PlatformPasswordCredential(id, password, name, avatarURL);
+    return new PlatformPasswordCredential(id, password, name, iconURL);
 }
 
-PlatformPasswordCredential::PlatformPasswordCredential(const String& id, const String& password, const String& name, const KURL& avatarURL)
-    : PlatformCredential(id, name, avatarURL)
+PlatformPasswordCredential::PlatformPasswordCredential(const String& id, const String& password, const String& name, const KURL& iconURL)
+    : PlatformCredential(id, name, iconURL)
     , m_password(password)
 {
     setType("password");
 }
 
 PlatformPasswordCredential::~PlatformPasswordCredential()
 {
 }
 
 } // namespace blink