API proposal for chrome.app.window to intercept all keys.

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': {
     'chrome_browser_ui_non_ios_sources': [
       'browser/ui/accelerator_utils.h',
       'browser/ui/android/android_about_app_info.cc',
       'browser/ui/android/android_about_app_info.h',
@@ skipping 1855 matching lines @@
       'browser/ui/views/apps/app_info_dialog/app_info_summary_panel.h',
       'browser/ui/views/apps/app_window_desktop_native_widget_aura_win.cc',
       'browser/ui/views/apps/app_window_desktop_native_widget_aura_win.h',
       'browser/ui/views/apps/app_window_desktop_window_tree_host_win.cc',
       'browser/ui/views/apps/app_window_desktop_window_tree_host_win.h',
       'browser/ui/views/apps/chrome_apps_client_views_win.cc',
       'browser/ui/views/apps/chrome_native_app_window_views.cc',
       'browser/ui/views/apps/chrome_native_app_window_views.h',
       'browser/ui/views/apps/chrome_native_app_window_views_win.cc',
       'browser/ui/views/apps/chrome_native_app_window_views_win.h',
+      'browser/ui/views/apps/desktop_keyboard_capture.cc',
+      'browser/ui/views/apps/desktop_keyboard_capture.h', 
       'browser/ui/views/apps/glass_app_window_frame_view_win.cc',
       'browser/ui/views/apps/glass_app_window_frame_view_win.h',
+      'browser/ui/views/apps/keyboard_hook_handler.h',
+      'browser/ui/views/apps/keyboard_hook_handler_win.cc',
       'browser/ui/views/apps/shaped_app_window_targeter.cc',
       'browser/ui/views/apps/shaped_app_window_targeter.h',
       'browser/ui/views/ash/tab_scrubber.cc',
       'browser/ui/views/ash/tab_scrubber.h',
       'browser/ui/views/autofill/autofill_dialog_views.cc',
       'browser/ui/views/autofill/autofill_dialog_views.h',
       'browser/ui/views/autofill/autofill_popup_base_view.cc',
       'browser/ui/views/autofill/autofill_popup_base_view.h',
       'browser/ui/views/autofill/autofill_popup_view_views.cc',
       'browser/ui/views/autofill/autofill_popup_view_views.h',
@@ skipping 606 matching lines @@
       'browser/ui/athena/extensions/extension_install_ui_factory_athena.cc', 
       'browser/ui/views/athena/athena_util.cc',
       'browser/ui/views/athena/athena_util.h',
       'browser/ui/views/athena/chrome_browser_main_extra_parts_athena.cc',
       'browser/ui/views/athena/chrome_browser_main_extra_parts_athena.h',
     ],
     # Counts desktop Linux and ChromeOS.
     'chrome_browser_ui_linux_sources': [
       'browser/ui/startup/autolaunch_prompt.cc',
       'browser/ui/views/apps/chrome_apps_client_views.cc',
+      'browser/ui/views/apps/keyboard_hook_handler.cc',

[benwells, 2014/11/21 00:52:01]

mac?

[Sriram, 2014/11/21 20:39:45]

Missed replying to this one - Native app window for mac (i.e.
native_app_window_cocoa.mm) is not implemented and so does not need one.

       'browser/ui/views/frame/taskbar_decorator.cc',
       'browser/ui/webui/certificate_viewer_ui.cc',
       'browser/ui/webui/certificate_viewer_ui.h',
       'browser/ui/webui/certificate_viewer_webui.cc',
       'browser/ui/webui/certificate_viewer_webui.h',
     ],
     # Desktop Linux. Assume aura/ash/views/x11.
     'chrome_browser_ui_desktop_linux_sources': [
       'browser/ui/views/app_list/linux/app_list_linux.cc',
       'browser/ui/views/app_list/linux/app_list_linux.h',
@@ skipping 564 matching lines @@
         ['OS!="android" and OS!="ios"', {
           'dependencies': [
             '../device/bluetooth/bluetooth.gyp:device_bluetooth',
           ],
           'sources': [ '<@(chrome_browser_ui_non_mobile_sources)' ],
         }],
       ],
     },
   ],
 }