OOPIF: Data URLs are now rendered in the renderer that initiated the navigation.

chrome/browser/ui/browser_navigator.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 CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_
 #define CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_
 
 #include <string>
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/ref_counted_memory.h"
 #include "chrome/browser/ui/host_desktop.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/global_request_id.h"
 #include "content/public/browser/page_navigator.h"
+#include "content/public/browser/site_instance.h"
 #include "content/public/common/referrer.h"
 #include "ui/base/page_transition_types.h"
 #include "ui/base/window_open_disposition.h"
 #include "ui/gfx/rect.h"
 #include "url/gurl.h"
 
 class Browser;
 class Profile;
 
 namespace content {
@@ skipping 201 matching lines @@
   chrome::HostDesktopType host_desktop_type;
 
   // Indicates whether this navigation  should replace the current
   // navigation entry.
   bool should_replace_current_entry;
 
   // Indicates whether |source_contents| should be set as opener when creating
   // |target_contents|.
   bool should_set_opener;
 
+  // SiteInstance of the frame that initiated the navigation or null if we
+  // don't know it. This should be assigned from the OpenURLParams of the
+  // WebContentsDelegate::OpenURLFromTab implementation and is used to determine
+  // the SiteInstance that will be used for the resulting frame in the case of
+  // an about:blank or a data url navigation.
+  scoped_refptr<content::SiteInstance> source_site_instance;
+
  private:
   NavigateParams();
 };
 
 // Copies fields from |params| struct to |nav_params| struct.
 void FillNavigateParamsFromOpenURLParams(chrome::NavigateParams* nav_params,
                                          const content::OpenURLParams& params);
 
 // Navigates according to the configuration specified in |params|.
 void Navigate(NavigateParams* params);
 
 // Returns true if the url is allowed to open in incognito window.
 bool IsURLAllowedInIncognito(const GURL& url,
                              content::BrowserContext* browser_context);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_UI_BROWSER_NAVIGATOR_H_