Remove some platform specific stuff from views.

ui/app_list/search/history_data.h

Index: ui/app_list/search/history_data.h
diff --git a/ui/app_list/search/history_data.h b/ui/app_list/search/history_data.h
deleted file mode 100644
index f0932fc0e34e0e29f8cb7f66b0a21bc62d028943..0000000000000000000000000000000000000000
--- a/ui/app_list/search/history_data.h
+++ /dev/null
@@ -1,94 +0,0 @@
-// Copyright 2013 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 UI_APP_LIST_SEARCH_HISTORY_DATA_H_
-#define UI_APP_LIST_SEARCH_HISTORY_DATA_H_
-
-#include <deque>
-#include <map>
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/memory/scoped_ptr.h"
-#include "base/memory/weak_ptr.h"
-#include "base/observer_list.h"
-#include "base/time/time.h"
-#include "ui/app_list/app_list_export.h"
-#include "ui/app_list/search/history_types.h"
-
-namespace app_list {
-
-class HistoryDataObserver;
-class HistoryDataStore;
-
-// HistoryData stores the associations of the user typed queries and launched
-// search result id. There are two types of association: primary and secondary.
-// Primary is a 1-to-1 mapping between the query and result id. Secondary
-// is a 1-to-many mapping and only kept the last 5 to limit the data size.
-// If an association is added for the first time, it is added as a primary
-// association. Further associations added to the same query are added as
-// secondary. However, if a secondary association is added twice in a row, it
-// is promoted to primary and the current primary mapping is demoted into
-// secondary.
-class APP_LIST_EXPORT HistoryData : public base::SupportsWeakPtr<HistoryData> {
- public:
-  typedef std::deque<std::string> SecondaryDeque;
-
-  // Defines data to be associated with a query.
-  struct APP_LIST_EXPORT Data {
-    Data();
-    ~Data();
-
-    // Primary result associated with the query.
-    std::string primary;
-
-    // Secondary results associated with the query from oldest to latest.
-    SecondaryDeque secondary;
-
-    // Last update time.
-    base::Time update_time;
-  };
-  typedef std::map<std::string, Data> Associations;
-
-  // Constructor of HistoryData. |store| is the storage to persist the data.
-  // |max_primary| is the maximum number of the most recent primary associations
-  // to keep. |max_secondary| is the maximum number of secondary associations to
-  // keep.
-  HistoryData(HistoryDataStore* store,
-              size_t max_primary,
-              size_t max_secondary);
-  ~HistoryData();
-
-  // Adds an association.
-  void Add(const std::string& query, const std::string& result_id);
-
-  // Gets all known search results that were launched using the given |query|
-  // or the queries that |query| is a prefix of.
-  scoped_ptr<KnownResults> GetKnownResults(const std::string& query) const;
-
-  void AddObserver(HistoryDataObserver* observer);
-  void RemoveObserver(HistoryDataObserver* observer);
-
-  const Associations& associations() const { return associations_; }
-
- private:
-  // Invoked from |store| with loaded data.
-  void OnStoreLoaded(scoped_ptr<Associations> loaded_data);
-
-  // Trims the data to keep the most recent |max_primary_| queries.
-  void TrimEntries();
-
-  HistoryDataStore* store_;  // Not owned.
-  const size_t max_primary_;
-  const size_t max_secondary_;
-  ObserverList<HistoryDataObserver, true> observers_;
-
-  Associations associations_;
-
-  DISALLOW_COPY_AND_ASSIGN(HistoryData);
-};
-
-}  // namespace app_list
-
-#endif  // UI_APP_LIST_SEARCH_HISTORY_DATA_H_