DevTools: do not detach views that should be hidden upon detach.

Source/devtools/devtools.gyp

 #
 # Copyright (C) 2013 Google Inc. All rights reserved.
 #
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #         * Redistributions of source code must retain the above copyright
 # notice, this list of conditions and the following disclaimer.
 #         * Redistributions in binary form must reproduce the above
@@ skipping 317 matching lines @@
                 {
                     'target_name': 'concatenated_devtools_css',
                     'type': 'none',
                     'actions': [{
                         'action_name': 'concatenate_devtools_css',
                         'script_name': 'scripts/concatenate_css_files.py',
                         'input_stylesheet': 'front_end/devtools.css',
                         'inputs': [
                             '<@(_script_name)',
                             '<@(_input_stylesheet)',
-                            '<@(devtools_core_base_files)',
+                            '<@(devtools_core_css_files)',
                         ],
                         'search_path': [ 'front_end' ],
                         'outputs': ['<(PRODUCT_DIR)/resources/inspector/devtools.css'],
                         'action': ['python', '<@(_script_name)', '<@(_input_stylesheet)', '<@(_outputs)'],
                     }],
                 },
                 {
                     'target_name': 'concatenated_inspector_css',
                     'type': 'none',
                     'actions': [{
                         'action_name': 'concatenate_inspector_css',
                         'script_name': 'scripts/concatenate_css_files.py',
                         'input_stylesheet': 'front_end/inspector.css',
                         'inputs': [
                             '<@(_script_name)',
                             '<@(_input_stylesheet)',
-                            '<@(devtools_core_base_files)',
+                            '<@(devtools_core_css_files)',
                         ],
                         'search_path': [ 'front_end' ],
                         'outputs': ['<(PRODUCT_DIR)/resources/inspector/inspector.css'],
                         'action': ['python', '<@(_script_name)', '<@(_input_stylesheet)', '<@(_outputs)'],
                     }],
                 },
                 {
                     'target_name': 'concatenated_toolbox_css',
                     'type': 'none',
                     'actions': [{
                         'action_name': 'concatenate_toolbox_css',
                         'script_name': 'scripts/concatenate_css_files.py',
                         'input_stylesheet': 'front_end/toolbox.css',
                         'inputs': [
                             '<@(_script_name)',
                             '<@(_input_stylesheet)',
-                            '<@(devtools_core_base_files)',
+                            '<@(devtools_core_css_files)',
                         ],
                         'search_path': [ 'front_end' ],
                         'outputs': ['<(PRODUCT_DIR)/resources/inspector/toolbox.css'],
                         'action': ['python', '<@(_script_name)', '<@(_input_stylesheet)', '<@(_outputs)'],
                     }],
                 },
             ],
         }],
     ], # conditions
 }