Make the gyp files more cross-platform across the Unices

webkit/tools/test_shell/test_shell.gypi

Index: webkit/tools/test_shell/test_shell.gypi
diff --git a/webkit/tools/test_shell/test_shell.gypi b/webkit/tools/test_shell/test_shell.gypi
index d289200b5ae627e035297fc519395674996612ac..ca3a10065511837154a6d414f3d2d0db0162fad4 100644
--- a/webkit/tools/test_shell/test_shell.gypi
+++ b/webkit/tools/test_shell/test_shell.gypi
@@ -120,7 +120,7 @@
             'copy_npapi_test_plugin',
           ],
         }],
-        ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+        ['toolkit_uses_gtk==1', {
           'dependencies': [
             'test_shell_resources',
             '<(DEPTH)/build/linux/system.gyp:gtk',
@@ -161,7 +161,7 @@
         'pak_path': '<(INTERMEDIATE_DIR)/repack/test_shell.pak',
       },
       'conditions': [
-        ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
+        ['os_posix==1 and OS!="mac"', {
           'actions': [
             {
               'action_name': 'test_shell_repack',
@@ -265,7 +265,7 @@
             },
           },
         }],
-        ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+        ['toolkit_uses_gtk==1', {
           'conditions': [
             ['linux_use_tcmalloc==1', {
               'dependencies': [
@@ -462,7 +462,7 @@
             },
           },
         }],
-        ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+        ['toolkit_uses_gtk==1', {
           'dependencies': [
             'test_shell_pak',
             '<(DEPTH)/build/linux/system.gyp:gtk',
@@ -504,7 +504,7 @@
             '../../../skia/ext/vector_canvas_unittest.cc',
           ],
         }],
-        ['OS=="linux" or OS=="freebsd" or OS=="solaris"', {
+        ['os_posix==1 and OS!="mac"', {
           'conditions': [
             ['linux_use_tcmalloc==1', {
               'dependencies': [
@@ -624,13 +624,13 @@
                 ],
               },
             }],
-            ['OS=="linux" or OS=="freebsd" or OS=="openbsd"', {
+            ['os_posix==1 and OS!="mac"', {
               'sources!': [
                 # Needs simple event record type porting
                 '../../plugins/npapi/test/plugin_windowless_test.cc',
               ],
             }],
-            ['(OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris") and (target_arch=="x64" or target_arch=="arm")', {
+            ['os_posix==1 and OS!="mac" and (target_arch=="x64" or target_arch=="arm")', {
               # Shared libraries need -fPIC on x86-64
               'cflags': ['-fPIC']
             }],
@@ -659,7 +659,7 @@
                 },
               ]
             }],
-            ['OS=="linux" or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+            ['os_posix==1 and OS!="mac"', {
               'copies': [
                 {
                   'destination': '<(PRODUCT_DIR)/plugins',
@@ -671,7 +671,7 @@
         },
       ],
     }],
-    ['OS=="linux"  or OS=="freebsd" or OS=="openbsd" or OS=="solaris"', {
+    ['os_posix==1 and OS!="mac"', {
       'targets': [
         {
           'target_name': 'test_shell_resources',