Remove old history UI, and replace with history2.

chrome/chrome_browser.gypi

 # Copyright (c) 2011 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
       'dependencies': [
@@ skipping 3705 matching lines @@
         'browser/ui/webui/fileicon_source.cc',
         'browser/ui/webui/fileicon_source.h',
         'browser/ui/webui/fileicon_source_chromeos.cc',
         'browser/ui/webui/fileicon_source_chromeos.h',
         'browser/ui/webui/flags_ui.cc',
         'browser/ui/webui/flags_ui.h',
         'browser/ui/webui/flash_ui.cc',
         'browser/ui/webui/flash_ui.h',
         'browser/ui/webui/gpu_internals_ui.cc',
         'browser/ui/webui/gpu_internals_ui.h',
-        'browser/ui/webui/history2_ui.cc',
-        'browser/ui/webui/history2_ui.h',
         'browser/ui/webui/history_ui.cc',
         'browser/ui/webui/history_ui.h',
         'browser/ui/webui/input_window_dialog_ui.cc',
         'browser/ui/webui/input_window_dialog_ui.h',
         'browser/ui/webui/input_window_dialog_webui.cc',
         'browser/ui/webui/input_window_dialog_webui.h',
         'browser/ui/webui/html_dialog_tab_contents_delegate.cc',
         'browser/ui/webui/html_dialog_tab_contents_delegate.h',
         'browser/ui/webui/html_dialog_ui.cc',
         'browser/ui/webui/html_dialog_ui.h',
@@ skipping 1530 matching lines @@
       'type': 'static_library',
       'sources': [ 'browser/history/in_memory_url_index_cache.proto' ],
       'variables': {
         'proto_in_dir': 'browser/history',
         'proto_out_dir': 'chrome/browser/history',
       },
       'includes': [ '../build/protoc.gypi' ]
     },
   ],
 }