Get rid of the render view id in localStorage IPCs as it's not used anymore

content/browser/in_process_webkit/dom_storage_message_filter.cc

 // Copyright (c) 2011 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 "content/browser/in_process_webkit/dom_storage_message_filter.h"
 
 #include "base/nullable_string16.h"
 #include "content/browser/browser_thread.h"
 #include "content/browser/in_process_webkit/dom_storage_area.h"
 #include "content/browser/in_process_webkit/dom_storage_context.h"
@@ skipping 139 matching lines @@
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
   DOMStorageArea* storage_area = Context()->GetStorageArea(storage_area_id);
   if (!storage_area) {
     *value = NullableString16(true);
   } else {
     *value = storage_area->GetItem(key);
   }
 }
 
 void DOMStorageMessageFilter::OnSetItem(
-    int render_view_id, int64 storage_area_id, const string16& key,
+    int64 storage_area_id, const string16& key,
     const string16& value, const GURL& url,
     WebKit::WebStorageArea::Result* result, NullableString16* old_value) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::WEBKIT));
   DOMStorageArea* storage_area = Context()->GetStorageArea(storage_area_id);
   if (!storage_area) {
     *old_value = NullableString16(true);
     *result = WebKit::WebStorageArea::ResultOK;
     return;
   }
 
@@ skipping 34 matching lines @@
   const DOMStorageContext::MessageFilterSet* set =
       Context()->GetMessageFilterSet();
   DOMStorageContext::MessageFilterSet::const_iterator cur = set->begin();
   while (cur != set->end()) {
     // The renderer that generates the event handles it itself.
     if (*cur != this)
       (*cur)->Send(new DOMStorageMsg_Event(params));
     ++cur;
   }
 }