Update the gyp Linux build:

webkit/tools/test_shell/test_shell.gyp

 # Copyright (c) 2009 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': {
     'chromium_code': 1,
   },
   'includes': [
     '../../../build/common.gypi',
@@ skipping 68 matching lines @@
         '../../../net/net.gyp:net',
         '../../webkit.gyp:glue',
         '../../webkit.gyp:webkit',
       ],
       'conditions': [
         ['OS=="linux"', {
           'dependencies': [
             'test_shell_resources',
             'npapi_layout_test_plugin',
             'npapi_test_plugin',
+            '../../../build/linux/system.gyp:gtk',
           ],
           # for:  test_shell_gtk.cc
           'cflags': ['-Wno-multichar'],
         }, { # else: OS!=linux
           'sources/': [
             ['exclude', '_gtk\\.cc$']
           ],
         }],
         ['OS=="mac"', {
           'sources': [
@@ skipping 54 matching lines @@
         # that automatically sets the correct INFOPLIST_FILE setting and adds
         # the file to a source group.
         'mac/Info.plist',
       ],
       'xcode_settings': {
         'INFOPLIST_FILE': 'mac/Info.plist',
       },
       'conditions': [
         ['OS=="linux"', {
           'dependencies': [
+            '../../../build/linux/system.gyp:gtk',
             '../../../net/net.gyp:net_resources',
             '../../webkit.gyp:glue', # for webkit_{resources,strings_en-US}.pak
             'test_shell_resources',
           ],
           'actions': [
             {
               'action_name': 'test_shell_repack',
               'inputs': [
                 '<(SHARED_INTERMEDIATE_DIR)/net/net_resources.pak',
                 '<(SHARED_INTERMEDIATE_DIR)/test_shell/test_shell_resources.pak',
@@ skipping 81 matching lines @@
         'layout_test_controller_unittest.cc',
         'node_leak_test.cc',
         'plugin_tests.cc',
         'run_all_tests.cc',
         'test_shell_test.cc',
         'test_shell_test.h',
         'text_input_controller_unittest.cc',
       ],
       'conditions': [
         ['OS=="linux"', {
+          'dependencies': [
+            '../../../build/linux/system.gyp:gtk',
+          ],
           'sources!': [
              # TODO(port)
             '../../../skia/ext/platform_canvas_unittest.cc',
             '../../glue/webplugin_impl_unittest.cc',
           ],
         }],
         ['OS=="mac"', {
           # mac tests load the resources from the built test_shell beside the
           # test
           'dependencies': ['test_shell'],
@@ skipping 67 matching lines @@
             '../../glue/plugins/test/plugin_execute_script_delete_test.cc',
             '../../glue/plugins/test/plugin_get_javascript_url_test.cc',
             '../../glue/plugins/test/plugin_geturl_test.cc',
             '../../glue/plugins/test/plugin_javascript_open_popup.cc',
             '../../glue/plugins/test/plugin_new_fails_test.cc',
             '../../glue/plugins/test/plugin_npobject_lifetime_test.cc',
             '../../glue/plugins/test/plugin_npobject_proxy_test.cc',
             '../../glue/plugins/test/plugin_test.cc',
             '../../glue/plugins/test/plugin_window_size_test.cc',
           ],
+          'include_dirs': [
+            '../../..',
+          ],
           'conditions': [
             ['OS=="linux"', {
               'sources!': [
                 # TODO(port):  Port these.
                 # plugin_client.cc includes not ported headers.
                 # plugin_npobject_lifetime_test.cc has win32-isms
                 #   (HWND, CALLBACK).
                 # plugin_window_size_test.cc has w32-isms including HWND.
                 '../../glue/plugins/test/plugin_execute_script_delete_test.cc',
                 '../../glue/plugins/test/plugin_javascript_open_popup.cc',
                 '../../glue/plugins/test/plugin_client.cc',
                 '../../glue/plugins/test/plugin_npobject_lifetime_test.cc',
                 '../../glue/plugins/test/plugin_window_size_test.cc',
               ],
             }],
           ],
         },
         {
           'target_name': 'npapi_layout_test_plugin',
           'type': 'loadable_module',
           'product_dir': '<(PRODUCT_DIR)/plugins',
           'sources': [
             '../npapi_layout_test_plugin/main.cpp',
             '../npapi_layout_test_plugin/PluginObject.cpp',
             '../npapi_layout_test_plugin/TestObject.cpp',
           ],
+          'include_dirs': [
+            '../../..',
+          ],
           'dependencies': [
             '../../../third_party/npapi/npapi.gyp:npapi',
             '../../webkit.gyp:wtf',
           ],
         },
       ],
     }],
   ],
 }