Instant: remove InstantSupportState

chrome/browser/ui/search/search_model.h

 // Copyright (c) 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_UI_SEARCH_SEARCH_MODEL_H_
 #define CHROME_BROWSER_UI_SEARCH_SEARCH_MODEL_H_
 
 #include "base/macros.h"
 #include "base/observer_list.h"
 #include "chrome/common/search/search_types.h"
 
 class SearchModelObserver;
 
-// Represents whether a page supports Instant.
-enum InstantSupportState {
-  INSTANT_SUPPORT_NO,
-  INSTANT_SUPPORT_YES,
-};
-
 // An observable model for UI components that care about search model state
 // changes.
 class SearchModel {
  public:
-  struct State {
-    State();
-    State(const SearchMode& mode, InstantSupportState instant_support);
-
-    bool operator==(const State& rhs) const;
-
-    // The display mode of UI elements such as the toolbar, the tab strip, etc.
-    SearchMode mode;
-
-    // Does the current page support Instant?
-    InstantSupportState instant_support;
-  };
-
   SearchModel();
   ~SearchModel();
 
-  // Change the state.  Change notifications are sent to observers.
-  void SetState(const State& state);
-
-  // Get the current state.
-  const State& state() const { return state_; }
-
   // Change the mode.  Change notifications are sent to observers.
   void SetMode(const SearchMode& mode);
 
   // Get the active mode.
-  const SearchMode& mode() const { return state_.mode; }
-
-  // Sets the page instant support state. Change notifications are sent to
-  // observers.
-  void SetInstantSupportState(InstantSupportState instant_support);
-
-  // Gets the instant support state of the page.
-  InstantSupportState instant_support() const {
-    return state_.instant_support;
-  }
+  const SearchMode& mode() const { return mode_; }
 
   // Add and remove observers.
   void AddObserver(SearchModelObserver* observer);
   void RemoveObserver(SearchModelObserver* observer);
 
  private:
   // Current state of model.
-  State state_;
+  SearchMode mode_;
 
   // Observers.
   base::ObserverList<SearchModelObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(SearchModel);
 };
 
 #endif  // CHROME_BROWSER_UI_SEARCH_SEARCH_MODEL_H_