Remove unused embeddedSearch.searchBox APIs

chrome/common/search/mock_searchbox.h

 // Copyright 2016 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_COMMON_SEARCH_MOCK_SEARCHBOX_H_
 #define CHROME_COMMON_SEARCH_MOCK_SEARCHBOX_H_
 
 #include "chrome/common/instant.mojom.h"
 #include "testing/gmock/include/gmock/gmock.h"
 
 class MockSearchBox : public chrome::mojom::SearchBox {
  public:
   MockSearchBox();
   ~MockSearchBox();
 
   MOCK_METHOD1(SetPageSequenceNumber, void(int));
   MOCK_METHOD2(ChromeIdentityCheckResult, void(const base::string16&, bool));
   MOCK_METHOD2(FocusChanged, void(OmniboxFocusState, OmniboxFocusChangeReason));
   MOCK_METHOD1(HistorySyncCheckResult, void(bool));
   MOCK_METHOD1(MostVisitedChanged,
                void(const std::vector<InstantMostVisitedItem>&));
   MOCK_METHOD1(SetInputInProgress, void(bool));
   MOCK_METHOD1(SetSuggestionToPrefetch, void(const InstantSuggestion&));
-  MOCK_METHOD2(Submit,
-               void(const base::string16&, const EmbeddedSearchRequestParams&));
+  MOCK_METHOD1(Submit, void(const EmbeddedSearchRequestParams&));
   MOCK_METHOD1(ThemeChanged, void(const ThemeBackgroundInfo&));
 };
 
 
 #endif  // CHROME_COMMON_SEARCH_MOCK_SEARCHBOX_H_