Enable to show the keyboard overlay by shortcut key.

chrome/chrome_browser.gypi

 # Copyright (c) 2010 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': '<(library)',
       'msvs_guid': '5BF908A7-68FB-4A4B-99E3-8C749F1FE4EA',
@@ skipping 3186 matching lines @@
         'browser/ui/views/infobars/translate_infobar_base.cc',
         'browser/ui/views/infobars/translate_infobar_base.h',
         'browser/ui/views/infobars/translate_message_infobar.cc',
         'browser/ui/views/infobars/translate_message_infobar.h',
         'browser/ui/views/instant_confirm_view.cc',
         'browser/ui/views/instant_confirm_view.h',
         'browser/ui/views/js_modal_dialog_views.cc',
         'browser/ui/views/js_modal_dialog_views.h',
         'browser/ui/views/keyword_editor_view.cc',
         'browser/ui/views/keyword_editor_view.h',
+        'browser/ui/views/keyboard_overlay_delegate.cc',
+        'browser/ui/views/keyboard_overlay_delegate.h',
         'browser/ui/views/list_background.h',
         'browser/ui/views/local_storage_info_view.cc',
         'browser/ui/views/local_storage_info_view.h',
         'browser/ui/views/local_storage_set_item_info_view.cc',
         'browser/ui/views/local_storage_set_item_info_view.h',
         'browser/ui/views/location_bar/click_handler.cc',
         'browser/ui/views/location_bar/click_handler.h',
         'browser/ui/views/location_bar/content_setting_image_view.cc',
         'browser/ui/views/location_bar/content_setting_image_view.h',
         'browser/ui/views/location_bar/ev_bubble_view.cc',
@@ skipping 560 matching lines @@
             'browser/dom_ui/conflicts_ui.cc',
             'browser/dom_ui/conflicts_ui.h',
             'browser/history/history_indexer.idl',
           ],
           'sources!': [
             'browser/ui/browser_list_stub.cc',
             'browser/history/history_publisher_none.cc',
             'browser/importer/nss_decryptor_system_nss.cc',
             'browser/importer/nss_decryptor_system_nss.h',
             'browser/power_save_blocker_stub.cc',
+            'browser/ui/views/keyboard_overlay_delegate.cc',
             'browser/ui/views/select_file_dialog.cc',
           ],
           'conditions': [
             ['win_use_allocator_shim==1', {
               'dependencies': [
                 '<(allocator_target)',
               ],
             }],
           ],
         }, {  # 'OS!="win"
@@ skipping 133 matching lines @@
                 ['include', '^browser/ui/views/frame/popup_non_client_frame_view.h'],
                 ['include', '^browser/ui/views/infobars/*'],
                 ['include', '^browser/ui/views/info_bubble.cc'],
                 ['include', '^browser/ui/views/info_bubble.h'],
                 ['include', '^browser/ui/views/html_dialog_view.cc'],
                 ['include', '^browser/ui/views/html_dialog_view.h'],
                 ['include', '^browser/ui/views/instant_confirm_view.cc'],
                 ['include', '^browser/ui/views/instant_confirm_view.h'],
                 ['include', '^browser/ui/views/js_modal_dialog_views.cc'],
                 ['include', '^browser/ui/views/js_modal_dialog_views.h'],
+                ['include', '^browser/ui/views/keyboard_overlay_delegate.cc'],
+                ['include', '^browser/ui/views/keyboard_overlay_delegate.h'],
                 ['include', '^browser/ui/views/location_bar/click_handler.cc'],
                 ['include', '^browser/ui/views/location_bar/click_handler.h'],
                 ['include', '^browser/ui/views/location_bar/content_setting_image_view.cc'],
                 ['include', '^browser/ui/views/location_bar/content_setting_image_view.h'],
                 ['include', '^browser/ui/views/location_bar/ev_bubble_view.cc'],
                 ['include', '^browser/ui/views/location_bar/ev_bubble_view.h'],
                 ['include', '^browser/ui/views/location_bar/icon_label_bubble_view.h'],
                 ['include', '^browser/ui/views/location_bar/icon_label_bubble_view.cc'],
                 ['include', '^browser/ui/views/location_bar/keyword_hint_view.cc'],
                 ['include', '^browser/ui/views/location_bar/keyword_hint_view.h'],
@@ skipping 196 matching lines @@
             # These GTK files haven't been ported to views, while ChromeOS has
             # its own separate implementation below.  So re-include them only on
             # non-ChromeOS views Linux builds.
             ['OS=="linux" and toolkit_views==1 and chromeos==0', {
               'sources/': [
                 ['include', '^browser/gtk/dialogs_gtk.cc'],
                 ['include', '^browser/gtk/external_protocol_dialog_gtk.cc'],
                 ['include', '^browser/gtk/external_protocol_dialog_gtk.h'],
                 ['include', '^browser/ui/views/notifications/balloon_view.cc'],
                 ['include', '^browser/ui/views/notifications/balloon_view.h'],
+                ['exclude', '^browser/ui/views/keyboard_overlay_delegate.cc'],
+                ['exclude', '^browser/ui/views/keyboard_overlay_delegate.h'],
                 ['exclude', '^browser/ui/views/select_file_dialog.cc'],
               ],
             }],
             # GTK build only
             ['OS=="linux" and toolkit_views==0', {
               'sources/': [
                 ['include', '^browser/printing/print_dialog_gtk.cc'],
                 ['include', '^browser/printing/print_dialog_gtk.h'],
                 ['exclude', '^browser/ui/browser_list_stub.cc'],
                 ['exclude', '^browser/bookmarks/bookmark_drop_info.cc'],
@@ skipping 200 matching lines @@
       ],
     },
   ],
 }
 
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