Remove SearchButton.

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 29 matching lines @@
 enum OptInState {
   // The user has not manually opted in/out of InstantExtended.
   INSTANT_EXTENDED_NOT_SET,
   // The user has opted-in to InstantExtended.
   INSTANT_EXTENDED_OPT_IN,
   // The user has opted-out of InstantExtended.
   INSTANT_EXTENDED_OPT_OUT,
   INSTANT_EXTENDED_OPT_IN_STATE_ENUM_COUNT,
 };
 
-enum DisplaySearchButtonConditions {
-  DISPLAY_SEARCH_BUTTON_NEVER,
-  DISPLAY_SEARCH_BUTTON_FOR_STR,         // STR = Search Term Replacement
-  DISPLAY_SEARCH_BUTTON_FOR_STR_OR_IIP,  // IIP = Input In Progress
-  DISPLAY_SEARCH_BUTTON_ALWAYS,
-  DISPLAY_SEARCH_BUTTON_NUM_VALUES,
-};
-
 // Use this value for "start margin" to prevent the "es_sm" parameter from
 // being used.
 extern const int kDisableStartMargin;
 
 // Returns whether the suggest is enabled for the given |profile|.
 bool IsSuggestPrefEnabled(Profile* profile);
 
 // Returns a string indicating whether InstantExtended is enabled, suitable
 // for adding as a query string param to the homepage or search requests.
 // Returns an empty string otherwise.
@@ skipping 103 matching lines @@
 bool ShouldPrerenderInstantUrlOnOmniboxFocus();
 
 // Returns true if 'reuse_instant_search_base_page' flag is set to true in field
 // trials to reuse the prerendered page to commit any search query.
 bool ShouldReuseInstantSearchBasePage();
 
 // Returns the Local Instant URL of the New Tab Page.
 // TODO(kmadhusu): Remove this function and update the call sites.
 GURL GetLocalInstantURL(Profile* profile);
 
-// Returns when we should show a search button in the omnibox.  This may be any
-// of several values, some of which depend on whether the underlying state of
-// the page would normally be to perform search term replacement; see also
-// ToolbarModel::WouldPerformSearchTermReplacement().
-DisplaySearchButtonConditions GetDisplaySearchButtonConditions();
-
 // Returns true if the local new tab page should show a Google logo and search
 // box for users whose default search provider is Google, or false if not.
 bool ShouldShowGoogleLocalNTP();
 
 // Transforms the input |url| into its "effective URL". The returned URL
 // facilitates grouping process-per-site. The |url| is transformed, for
 // example, from
 //
 //   https://www.google.com/search?espv=1&q=tractors
 //
@@ skipping 50 matching lines @@
 
 // Returns true if 'use_search_path_for_instant' flag is set to true in field
 // trials to use an '/search' path in an alternate Instant search base page URL
 // for prefetching search results. This allows experimentation of Instant
 // search.
 bool ShouldUseSearchPathForInstant();
 
 }  // namespace chrome
 
 #endif  // CHROME_BROWSER_SEARCH_SEARCH_H_