Remove inside_chromium_build gyp variable

content/content.gyp

 # Copyright (c) 2012 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,  # Use higher warning level.
     'directxsdk_exists': '<!(python <(DEPTH)/build/dir_exists.py ../third_party/directxsdk)',
-    'conditions': [
-      ['inside_chromium_build==0', {
-        'webkit_src_dir': '../../../..',
-      },{
-        'webkit_src_dir': '../third_party/WebKit',
-      }],
-    ],
   },
   'target_defaults': {
     'defines': ['CONTENT_IMPLEMENTATION'],
     'conditions': [
-      ['inside_chromium_build==0', {
-        'dependencies': [
-          '../webkit/support/setup_third_party.gyp:third_party_headers',
-        ],
-      }],
       # TODO(jschuh): Remove this after crbug.com/173851 gets fixed.
       ['OS=="win" and target_arch=="x64"', {
         'msvs_settings': {
           'VCCLCompilerTool': {
             'AdditionalOptions': ['/bigobj'],
           },
         },
       }],
     ],
   },
+  'includes': [
+    'content_tests.gypi',
+  ],
   'conditions': [
-    ['inside_chromium_build==1', {
-      'includes': [
-        'content_tests.gypi',
-      ],
-    }],
     ['OS != "ios"', {
       'includes': [
         '../build/win_precompile.gypi',
         'content_shell.gypi',
       ],
     }],
     # In component mode, we build all of content as a single DLL.
     # However, in the static mode, we need to build content as multiple
     # targets in order to prevent dependencies from getting introduced
     # upstream unnecessarily (e.g., content_renderer depends on allocator
@@ skipping 340 matching lines @@
             'include_dirs': [
               '<(SHARED_INTERMEDIATE_DIR)/content',
             ],
           },
           'includes': [ 'content_jni.gypi' ],
         },
       ],
     }],  # OS == "android"
   ],
 }