Introduce all the plumbing for Session Storage. This mostly consists of crea...

chrome/browser/renderer_host/render_view_host.h

 // Copyright (c) 2009 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_RENDERER_HOST_RENDER_VIEW_HOST_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 74 matching lines @@
                        public NotificationObserver {
  public:
   // Returns the RenderViewHost given its ID and the ID of its render process.
   // Returns NULL if the IDs do not correspond to a live RenderViewHost.
   static RenderViewHost* FromID(int render_process_id, int render_view_id);
 
   // routing_id could be a valid route id, or it could be MSG_ROUTING_NONE, in
   // which case RenderWidgetHost will create a new one.
   RenderViewHost(SiteInstance* instance,
                  RenderViewHostDelegate* delegate,
-                 int routing_id);
+                 int routing_id,
+                 int64 session_storage_namespace_id);
   virtual ~RenderViewHost();
 
   SiteInstance* site_instance() const { return instance_; }
   RenderViewHostDelegate* delegate() const { return delegate_; }
 
   // Set up the RenderView child process. Virtual because it is overridden by
   // TestRenderViewHost.
   virtual bool CreateRenderView(URLRequestContextGetter* request_context);
 
   // Returns true if the RenderView is active and has not crashed. Virtual
@@ skipping 558 matching lines @@
   // the case of a cross-site transition ( = true).
   bool unload_ack_is_for_cross_site_transition_;
 
   bool are_javascript_messages_suppressed_;
 
   // True if the render view can be shut down suddenly.
   bool sudden_termination_allowed_;
 
   NotificationRegistrar registrar_;
 
+  // The session storage namespace id to be used by the associated render view.
+  int64 session_storage_namespace_id_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderViewHost);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_VIEW_HOST_H_