Refactor Pickle Read methods to use higher performance PickleIterator.

webkit/glue/webcursor_gtk.cc

 // Copyright (c) 2012 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 "webkit/glue/webcursor.h"
 
 #include <gdk/gdk.h>
 #include <gtk/gtk.h>
 
 #include "base/logging.h"
@@ skipping 181 matching lines @@
 
 void WebCursor::InitPlatformData() {
   unref_ = NULL;
   return;
 }
 
 bool WebCursor::SerializePlatformData(Pickle* pickle) const {
   return true;
 }
 
-bool WebCursor::DeserializePlatformData(const Pickle* pickle, void** iter) {
+bool WebCursor::DeserializePlatformData(PickleIterator* iter) {
   return true;
 }
 
 bool WebCursor::IsPlatformDataEqual(const WebCursor& other) const {
   return true;
 }
 
 void WebCursor::CleanupPlatformData() {
   if (unref_) {
     gdk_cursor_unref(unref_);
     unref_ = NULL;
   }
   return;
 }
 
 void WebCursor::CopyPlatformData(const WebCursor& other) {
   if (other.unref_)
     unref_ = gdk_cursor_ref(other.unref_);
   return;
 }