Remove a bunch of TOOLKIT_GTK in content/ and gpu/, as well as NPAPI plugins on linux

content/content_tests.gypi

 # Copyright (c) 2013 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': 'layouttest_support_content',
       'type': 'static_library',
       'conditions': [
@@ skipping 241 matching lines @@
             '../webkit/child/webkit_child.gyp:webkit_child',
             '../webkit/common/gpu/webkit_gpu.gyp:webkit_gpu',
             '../webkit/renderer/compositor_bindings/compositor_bindings.gyp:webkit_compositor_support',
             '../webkit/storage_browser.gyp:webkit_storage_browser',
             '../webkit/storage_common.gyp:webkit_storage_common',
           ],
           'export_dependent_settings': [
             '../third_party/WebKit/public/blink.gyp:blink',
           ],
         }],
-        ['OS == "win" or toolkit_uses_gtk == 1', {
+        ['OS == "win"', {
           'dependencies': [
             '../sandbox/sandbox.gyp:sandbox',
           ],
         }],
         ['enable_webrtc==1', {
           'sources': [
             'renderer/media/mock_media_stream_dependency_factory.cc',
             'renderer/media/mock_media_stream_dependency_factory.h',
             'renderer/media/mock_media_stream_dispatcher.cc',
             'renderer/media/mock_media_stream_dispatcher.h',
@@ skipping 928 matching lines @@
             ['use_aura==1 or toolkit_views==1', {
               'dependencies': [
                 '../ui/events/events.gyp:events_test_support',
               ],
             }],
             ['use_aura!=1 and OS!="mac"', {
               'sources/': [
                 ['exclude', '^browser/compositor/'],
               ],
             }],
-            ['OS!="android" and OS!="ios"', {
+            ['OS!="android" and OS!="ios" and OS!="linux"', {
               # npapi test plugin doesn't build on android or ios
               'dependencies': [
                 # Runtime dependencies
                 'copy_npapi_test_plugin',
               ],
             }],
             ['enable_webrtc==1', {
               'sources': [
                 'browser/media/webrtc_browsertest.cc',
                 'browser/media/webrtc_getusermedia_browsertest.cc',
@@ skipping 420 matching lines @@
             'apk_name': 'ContentShellTest',
             'java_in_dir': 'shell/android/javatests',
             'resource_dir': 'shell/android/shell_apk/res',
             'additional_src_dirs': ['public/android/javatests/',],
             'is_test_apk': 1,
           },
           'includes': [ '../build/java_apk.gypi' ],
         },
       ],
     }],
-    ['OS!="android" and OS!="ios"', {
+    ['OS!="android" and OS!="ios" and OS!="linux"', {
       # npapi test plugin doesn't build on android or ios
       'targets': [
         {
           'target_name': 'npapi_test_plugin',
           'type': 'loadable_module',
           'variables': {
             'chromium_code': 1,
           },
           'mac_bundle': 1,
           'dependencies': [
@@ skipping 125 matching lines @@
                   'files': ['<(PRODUCT_DIR)/libnpapi_test_plugin.so'],
                 },
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }