Fix some UI issues with omnibox extensions in incognito.

chrome/browser/extensions/extensions_service.cc

 // 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.
 
 #include "chrome/browser/extensions/extensions_service.h"
 
 #include <algorithm>
 
 #include "base/basictypes.h"
 #include "base/command_line.h"
@@ skipping 1318 matching lines @@
   // Broadcast unloaded and loaded events to update browser state. Only bother
   // if the extension is actually enabled, since there is no UI otherwise.
   bool is_enabled = std::find(extensions_.begin(), extensions_.end(),
                               extension) != extensions_.end();
   if (is_enabled) {
     NotifyExtensionUnloaded(extension);
     NotifyExtensionLoaded(extension);
   }
 }
 
+bool ExtensionsService::CanCrossIncognito(const Extension* extension) {
+  // We allow the extension to see events and data from another profile iff it
+  // uses "spanning" behavior and it has incognito access. "split" mode
+  // extensions only see events for a matching profile.
+  return IsIncognitoEnabled(extension) && !extension->incognito_split_mode();
+}
+
 bool ExtensionsService::AllowFileAccess(const Extension* extension) {
   return (CommandLine::ForCurrentProcess()->HasSwitch(
               switches::kDisableExtensionsFileAccessCheck) ||
           extension_prefs_->AllowFileAccess(extension->id()));
 }
 
 void ExtensionsService::SetAllowFileAccess(const Extension* extension,
                                            bool allow) {
   extension_prefs_->SetAllowFileAccess(extension->id(), allow);
   NotificationService::current()->Notify(
@@ skipping 541 matching lines @@
 ExtensionIdSet ExtensionsService::GetAppIds() const {
   ExtensionIdSet result;
   for (ExtensionList::const_iterator it = extensions_.begin();
        it != extensions_.end(); ++it) {
     if ((*it)->is_app() && (*it)->location() != Extension::COMPONENT)
       result.insert((*it)->id());
   }
 
   return result;
 }