Initialize message pump not to use gtk. WindowSizer for aura

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 3786 matching lines @@
         'browser/ui/webui/theme_source.cc',
         'browser/ui/webui/theme_source.h',
         'browser/ui/webui/tracing_ui.cc',
         'browser/ui/webui/tracing_ui.h',
         'browser/ui/webui/web_ui_util.cc',
         'browser/ui/webui/web_ui_util.h',
         'browser/ui/webui/workers_ui.cc',
         'browser/ui/webui/workers_ui.h',
         'browser/ui/window_sizer.cc',
         'browser/ui/window_sizer.h',
-        'browser/ui/window_sizer_linux.cc',
+        'browser/ui/window_sizer_aura.cc',
+        'browser/ui/window_sizer_gtk.cc',
         'browser/ui/window_sizer_mac.mm',
         'browser/ui/window_sizer_win.cc',
         'browser/ui/window_snapshot/window_snapshot.h',
         'browser/ui/window_snapshot/window_snapshot_mac.mm',
         'browser/ui/window_snapshot/window_snapshot_win.cc',
         'browser/ui/window_snapshot/window_snapshot_x.cc',
         'browser/upgrade_detector.cc',
         'browser/upgrade_detector.h',
         'browser/upgrade_detector_impl.cc',
         'browser/upgrade_detector_impl.h',
@@ skipping 1176 matching lines @@
             ['exclude', '^browser/ui/views/constrained_html_delegate_gtk.cc'],
             ['exclude', '^browser/ui/views/dialog_stubs_gtk.cc'],
             ['exclude', '^browser/ui/views/dropdown_bar_host_gtk.cc'],
             ['exclude', '^browser/ui/views/frame/browser_frame_gtk.cc'],
             ['exclude', '^browser/ui/views/frame/browser_frame_gtk.h'],
             ['exclude', '^browser/ui/views/handle_web_keyboard_event_gtk.cc'],
             ['exclude', '^browser/ui/views/tab_contents/native_tab_contents_container_gtk.cc'],
             ['exclude', '^browser/ui/views/tab_contents/native_tab_contents_container_gtk.h'],
             ['exclude', '^browser/ui/views/tab_contents/native_tab_contents_view_gtk.cc'],
             ['exclude', '^browser/ui/views/tab_contents/native_tab_contents_view_gtk.h'],
+            ['exclude', '^browser/ui/window_sizer_gtk.cc'],
             ['include', '^browser/ui/login/login_prompt_ui.cc'],
             ['include', '^browser/ui/views/aura/aura_init.cc'],
             ['include', '^browser/ui/views/browser_bubble_aura.cc'],
             ['include', '^browser/ui/views/constrained_html_delegate_views.cc'],
             ['include', '^browser/ui/views/dropdown_bar_host_aura.cc'],
             ['include', '^browser/ui/views/frame/browser_frame_aura.cc'],
             ['include', '^browser/ui/views/importer/import_lock_dialog_view.cc'],
             ['include', '^browser/ui/views/select_file_dialog.cc'],
             ['include', '^browser/ui/views/stubs_aura.cc'],
             ['include', '^browser/ui/webui/options/certificate_manager_handler.cc'],
@@ skipping 132 matching lines @@
               # weak imports in dependents, who still must #include
               # closure_blocks_leopard_compat.h to get weak imports.
               'type': 'none',
             }],
           ],
         },
       ],
     }],
   ],
 }