Split BrowsingHistoryHandler out of history_ui.cc

chrome/browser/ui/webui/browsing_history_handler.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Copyright 2015 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_WEBUI_HISTORY_UI_H_
-#define CHROME_BROWSER_UI_WEBUI_HISTORY_UI_H_
+#ifndef CHROME_BROWSER_UI_WEBUI_BROWSING_HISTORY_HANDLER_H_
+#define CHROME_BROWSER_UI_WEBUI_BROWSING_HISTORY_HANDLER_H_
 
 #include <string>
 
+#include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/scoped_observer.h"
 #include "base/strings/string16.h"
 #include "base/task/cancelable_task_tracker.h"
 #include "base/timer/timer.h"
 #include "base/values.h"
 #include "components/history/core/browser/history_service_observer.h"
+#include "components/history/core/browser/url_row.h"
 #include "components/history/core/browser/web_history_service.h"
-#include "content/public/browser/web_ui_controller.h"
 #include "content/public/browser/web_ui_message_handler.h"
-#include "ui/base/layout.h"
+#include "url/gurl.h"
 
 class ProfileSyncService;
 class SupervisedUserService;
 
 namespace bookmarks {
 class BookmarkModel;
 }
 
 namespace history {
 class HistoryService;
+struct QueryOptions;
+class QueryResults;
 }
 
 // The handler for Javascript messages related to the "history" view.
 class BrowsingHistoryHandler : public content::WebUIMessageHandler,
                                public history::HistoryServiceObserver {
  public:
   // Represents a history entry to be shown to the user, representing either
   // a local or remote visit. A single entry can represent multiple visits,
   // since only the most recent visit on a particular day is shown.
   struct HistoryEntry {
@@ skipping 168 matching lines @@
   base::OneShotTimer web_history_timer_;
 
   ScopedObserver<history::HistoryService, history::HistoryServiceObserver>
       history_service_observer_;
 
   base::WeakPtrFactory<BrowsingHistoryHandler> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowsingHistoryHandler);
 };
 
-class HistoryUI : public content::WebUIController {
- public:
-  explicit HistoryUI(content::WebUI* web_ui);
-  ~HistoryUI() override;
-
-  static base::RefCountedMemory* GetFaviconResourceBytes(
-      ui::ScaleFactor scale_factor);
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(HistoryUI);
-};
-
-#endif  // CHROME_BROWSER_UI_WEBUI_HISTORY_UI_H_
+#endif  // CHROME_BROWSER_UI_WEBUI_BROWSING_HISTORY_HANDLER_H_