Prevent querying of restricted query values.

chrome/browser/instant/instant_controller.h

 // Copyright 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_INSTANT_INSTANT_CONTROLLER_H_
 #define CHROME_BROWSER_INSTANT_INSTANT_CONTROLLER_H_
 
 #include <list>
 #include <map>
 #include <string>
@@ skipping 180 matching lines @@
   // happen through the InstantController interface.
   InstantOverlayModel* model() { return &model_; }
 
  private:
   FRIEND_TEST_ALL_PREFIXES(InstantTest, OmniboxFocusLoadsInstant);
   FRIEND_TEST_ALL_PREFIXES(InstantTest, SetWithTemplateURL);
   FRIEND_TEST_ALL_PREFIXES(InstantTest, NonInstantSearchProvider);
   FRIEND_TEST_ALL_PREFIXES(InstantTest, InstantOverlayRefresh);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, ExtendedModeIsOn);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, MostVisited);
+  FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, RestrictedItemReadback);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, OmniboxFocusLoadsInstant);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest,
                            OmniboxTextUponFocusedCommittedSERP);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest,
                            MiddleClickOnSuggestionOpensInNewTab);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, NTPIsPreloaded);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, PreloadedNTPIsUsedInNewTab);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, PreloadedNTPIsUsedInSameTab);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, ProcessIsolation);
   FRIEND_TEST_ALL_PREFIXES(InstantExtendedTest, UnrelatedSiteInstance);
@@ skipping 236 matching lines @@
   // Used for Top Sites async retrieval.
   base::WeakPtrFactory<InstantController> weak_ptr_factory_;
 
   // Used to get notifications about Most Visted changes.
   content::NotificationRegistrar registrar_;
 
   DISALLOW_COPY_AND_ASSIGN(InstantController);
 };
 
 #endif  // CHROME_BROWSER_INSTANT_INSTANT_CONTROLLER_H_