Don't crash when granting permissions to active tab.

chrome/browser/extensions/active_tab_permission_granter.cc

 // 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.
 
 #include "chrome/browser/extensions/active_tab_permission_granter.h"
 
 #include "chrome/browser/extensions/active_script_controller.h"
 #include "chrome/browser/profiles/profile.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/navigation_entry.h"
+#include "content/public/browser/render_view_host.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_registry.h"
 #include "extensions/common/extension_messages.h"
 #include "extensions/common/feature_switch.h"
 #include "extensions/common/permissions/permission_set.h"
 #include "extensions/common/permissions/permissions_data.h"
 #include "extensions/common/user_script.h"
 #include "url/gurl.h"
 
 using content::RenderProcessHost;
@@ skipping 37 matching lines @@
 
   if (!new_apis.empty() || !new_hosts.is_empty()) {
     granted_extensions_.Insert(extension);
     scoped_refptr<const PermissionSet> new_permissions =
         new PermissionSet(new_apis, ManifestPermissionSet(),
                           new_hosts, URLPatternSet());
     permissions_data->UpdateTabSpecificPermissions(tab_id_, new_permissions);
     const content::NavigationEntry* navigation_entry =
         web_contents()->GetController().GetVisibleEntry();
     if (navigation_entry) {
-      Send(new ExtensionMsg_UpdateTabSpecificPermissions(
+      content::RenderViewHost* render_view_host =
+          web_contents()->GetRenderViewHost();
+      render_view_host->Send(new ExtensionMsg_UpdateTabSpecificPermissions(
+          render_view_host->GetRoutingID(),
           navigation_entry->GetURL(),
-          tab_id_,
           extension->id(),
           new_hosts));
       // If more things ever need to know about this, we should consider making
       // an observer class.
       // It's important that this comes after the IPC is sent to the renderer,
       // so that any tasks executing in the renderer occur after it has the
       // updated permissions.
       ActiveScriptController::GetForWebContents(web_contents())
           ->OnActiveTabPermissionGranted(extension);
     }
@@ skipping 45 matching lines @@
     return;
 
   std::vector<std::string> extension_ids;
 
   for (ExtensionSet::const_iterator it = granted_extensions_.begin();
        it != granted_extensions_.end(); ++it) {
     it->get()->permissions_data()->ClearTabSpecificPermissions(tab_id_);
     extension_ids.push_back((*it)->id());
   }
 
-  Send(new ExtensionMsg_ClearTabSpecificPermissions(tab_id_, extension_ids));
+  content::RenderViewHost* render_view_host =
+      web_contents()->GetRenderViewHost();
+  render_view_host->Send(new ExtensionMsg_ClearTabSpecificPermissions(
+          render_view_host->GetRoutingID(), extension_ids));
   granted_extensions_.Clear();
 }
 
 }  // namespace extensions