Remove inside_chromium_build gyp variable

skia/skia.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.
 
 {
   'targets': [
     {
       'target_name': 'skia',
       'type': '<(component)',
       'variables': {
         'conditions': [
           ['OS== "ios"', {
             'skia_support_gpu': 0,
           }, {
             'skia_support_gpu': 1,
           }],
-
-          ['inside_chromium_build==0', {
-            'webkit_src_dir': '<(DEPTH)/../../..',
-          },{
-            'webkit_src_dir': '<(DEPTH)/third_party/WebKit',
-          }],
         ],
 
         'optimize': 'max',
 
         # These two set the paths so we can include skia/gyp/core.gypi
         'skia_src_path': '../third_party/skia/src',
         'skia_include_path': '../third_party/skia/include',
       },
 
       'includes': [
@@ skipping 294 matching lines @@
           ],
           'defines': [
             'SK_DEFAULT_FONT_CACHE_LIMIT=(20*1024*1024)',
           ],
         }],
         [ 'OS != "ios"', {
           'sources/': [
             ['exclude', '_ios\\.(cc|cpp|mm?)$'],
           ],
           'dependencies': [
-            '<(webkit_src_dir)/Source/WebKit/chromium/skia_webkit.gyp:skia_webkit',
+            '<(DEPTH)/third_party/WebKit/Source/WebKit/chromium/skia_webkit.gyp:skia_webkit',
           ],
         }],
         [ 'OS != "mac"', {
           'sources/': [
             ['exclude', '_mac\\.(cc|cpp|mm?)$'],
             ['exclude', '/mac/']
           ],
         }],
         [ 'OS != "win"', {
           'sources/': [ ['exclude', '_win\\.(cc|cpp)$'] ],
@@ skipping 483 matching lines @@
           'sources': [
             '../third_party/skia/src/opts/SkBitmapProcState_opts_none.cpp',
             '../third_party/skia/src/opts/SkBlitRow_opts_none.cpp',
             '../third_party/skia/src/opts/SkUtils_opts_none.cpp',
           ],
         },
       ],
     }],
   ],
 }