Webview tag creation should be using storage partitions.

content/public/browser/browser_context.h

 // 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.
 
 #ifndef CONTENT_PUBLIC_BROWSER_BROWSER_CONTEXT_H_
 #define CONTENT_PUBLIC_BROWSER_BROWSER_CONTEXT_H_
 
 #include "base/callback_forward.h"
 #include "base/hash_tables.h"
 #include "base/supports_user_data.h"
@@ skipping 21 matching lines @@
 class SpeechRecognitionPreferences;
 class StoragePartition;
 
 // This class holds the context needed for a browsing session.
 // It lives on the UI thread. All these methods must only be called on the UI
 // thread.
 class CONTENT_EXPORT BrowserContext : public base::SupportsUserData {
  public:
   // Used in ForEachStoragePartition(). The first argument is the partition id.
   // The second argument is the StoragePartition object for that partition id.
-  typedef base::Callback<void(const std::string&, StoragePartition*)>
-      StoragePartitionCallback;
+  typedef base::Callback<void(StoragePartition*)> StoragePartitionCallback;
 
   static DownloadManager* GetDownloadManager(BrowserContext* browser_context);
 
   static content::StoragePartition* GetStoragePartition(
       BrowserContext* browser_context, SiteInstance* site_instance);
   static content::StoragePartition* GetStoragePartitionForSite(
       BrowserContext* browser_context, const GURL& site);
   static void ForEachStoragePartition(
       BrowserContext* browser_context,
       const StoragePartitionCallback& callback);
@@ skipping 87 matching lines @@
 struct hash<content::BrowserContext*> {
   std::size_t operator()(content::BrowserContext* const& p) const {
     return reinterpret_cast<std::size_t>(p);
   }
 };
 
 }  // namespace BASE_HASH_NAMESPACE
 #endif
 
 #endif  // CONTENT_PUBLIC_BROWSER_BROWSER_CONTEXT_H_