No longer terminating the renderer on bad storage session messages

chrome/browser/in_process_webkit/dom_storage_context.h

 // Copyright (c) 2010 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 CHROME_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_
 #define CHROME_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_
 #pragma once
 
 #include <map>
 #include <set>
@@ skipping 12 matching lines @@
 // specifics of responsibilities are fairly well documented here and in
 // StorageNamespace and StorageArea.  Everything is only to be accessed on the
 // WebKit thread unless noted otherwise.
 //
 // NOTE: Virtual methods facilitate mocking functions for testing.
 class DOMStorageContext {
  public:
   explicit DOMStorageContext(WebKitContext* webkit_context);
   virtual ~DOMStorageContext();
 
+  // Invalid storage id.  No storage session will ever report this value.
+  // Used in DOMStorageMessageFilter::OnStorageAreaId when coping with
+  // interactions with non-existent storage sessions.
+  static const int64 kInvalidStorageId = -1;
+
   // Allocate a new storage area id.  Only call on the WebKit thread.
   int64 AllocateStorageAreaId();
 
   // Allocate a new session storage id.  Only call on the UI or IO thread.
   int64 AllocateSessionStorageNamespaceId();
 
   // Clones a session storage namespace and returns the cloned namespaces' id.
   // Only call on the IO thread.
   int64 CloneSessionStorage(int64 original_id);
 
@@ skipping 100 matching lines @@
   StorageAreaMap storage_area_map_;
 
   // Maps ids to StorageNamespaces.  We own these objects.
   typedef std::map<int64, DOMStorageNamespace*> StorageNamespaceMap;
   StorageNamespaceMap storage_namespace_map_;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(DOMStorageContext);
 };
 
 #endif  // CHROME_BROWSER_IN_PROCESS_WEBKIT_DOM_STORAGE_CONTEXT_H_