Split BrowsingHistoryHandler out of history_ui.cc

chrome/chrome_browser_ui.gypi

 # 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.
 
 {
   'variables': {
     # There are two sections of sources:
     # * "Platform"-based sources (OS, toolkit, etc.)
     # * Feature/directory-based sources (e.g., history, printing)
 
@@ skipping 185 matching lines @@
       'browser/ui/views/platform_keys_certificate_selector_chromeos.h',
       'browser/ui/web_contents_sizer.h',
       'browser/ui/website_settings/permission_bubble_request.cc',
       'browser/ui/website_settings/permission_bubble_request.h',
       'browser/ui/website_settings/website_settings.cc',
       'browser/ui/website_settings/website_settings.h',
       'browser/ui/website_settings/website_settings_ui.cc',
       'browser/ui/website_settings/website_settings_ui.h',
       'browser/ui/webui/about_ui.cc',
       'browser/ui/webui/about_ui.h',
+      'browser/ui/webui/browsing_history_handler.cc',
+      'browser/ui/webui/browsing_history_handler.h',
       'browser/ui/webui/chrome_web_ui_controller_factory.cc',
       'browser/ui/webui/chrome_web_ui_controller_factory.h',
       'browser/ui/webui/chromeos/bluetooth_pairing_ui.cc',
       'browser/ui/webui/chromeos/bluetooth_pairing_ui.h',
       'browser/ui/webui/chromeos/certificate_manager_dialog_ui.cc',
       'browser/ui/webui/chromeos/certificate_manager_dialog_ui.h',
       'browser/ui/webui/chromeos/choose_mobile_network_ui.cc',
       'browser/ui/webui/chromeos/choose_mobile_network_ui.h',
       'browser/ui/webui/chromeos/cryptohome_ui.cc',
       'browser/ui/webui/chromeos/cryptohome_ui.h',
@@ skipping 3056 matching lines @@
           ],
           'sources': [
             '<@(chrome_browser_ui_non_mobile_sources)',
             '<@(chrome_browser_ui_omnibox_non_mobile_sources)',
           ],
         }],
       ],
     },
   ],
 }