InstantExtended: hook up InstantTab in incognito.

chrome/browser/search/search.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_SEARCH_SEARCH_H_
 #define CHROME_BROWSER_SEARCH_SEARCH_H_
 
 #include <string>
 #include <utility>
 #include <vector>
@@ skipping 39 matching lines @@
 // Use this value for "start margin" to prevent the "es_sm" parameter from
 // being used.
 extern const int kDisableStartMargin;
 
 // Returns whether the Instant Extended API is enabled.
 bool IsInstantExtendedAPIEnabled();
 
 // Returns the value to pass to the &espv CGI parameter when loading the
 // embedded search page from the user's default search provider. Will be
 // 0 if the Instant Extended API is not enabled, or if the local-only Instant
-// Extended API is enabled, or if in incognito mode.
-uint64 EmbeddedSearchPageVersion(Profile* profile);
+// Extended API is enabled.
+uint64 EmbeddedSearchPageVersion();
 
 // Returns whether query extraction is enabled.
-bool IsQueryExtractionEnabled(Profile* profile);
+bool IsQueryExtractionEnabled();
 
 // Returns whether the local-only version of Instant Extended API is enabled.
 bool IsLocalOnlyInstantExtendedAPIEnabled();
 
 // Extracts and returns search terms from |url|. Returns empty string if the URL
 // is not secure or doesn't have a search term replacement key.  Does not
 // consider IsQueryExtractionEnabled() and does not check for a privileged
 // process, so most callers should use GetSearchTerms() below instead.
 string16 GetSearchTermsFromURL(Profile* profile, const GURL& url);
 
@@ skipping 164 matching lines @@
 void ResetInstantExtendedOptInStateGateForTest();
 
 // Returns true if |items_a| and |items_b| are equal.
 bool AreMostVisitedItemsEqual(
     const std::vector<InstantMostVisitedItem>& items_a,
     const std::vector<InstantMostVisitedItem>& items_b);
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_SEARCH_SEARCH_H_