Move gl_bindings_skia_cmd_buffer into webkit_gpu and make the latter a component

webkit/gpu/webkit_gpu.gypi

 # 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': {
+    'conditions': [
+      ['inside_chromium_build==0', {
+        'webkit_src_dir': '../../../../..',
+      },{
+        'webkit_src_dir': '../../third_party/WebKit',
+      }],
+    ],
+  },
   'targets': [
     {
       'target_name': 'webkit_gpu',
-      'type': 'static_library',
+      'type': '<(component)',
       'variables': { 'enable_wexit_time_destructors': 1, },
       'dependencies': [
         '<(DEPTH)/base/base.gyp:base',
         '<(DEPTH)/base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations',
         '<(DEPTH)/gpu/command_buffer/command_buffer.gyp:gles2_utils',
         '<(DEPTH)/gpu/gpu.gyp:command_buffer_service',
         '<(DEPTH)/gpu/gpu.gyp:command_buffer_client',
         '<(DEPTH)/gpu/gpu.gyp:gles2_c_lib',
         '<(DEPTH)/gpu/gpu.gyp:gles2_implementation',
+        '<(DEPTH)/skia/skia.gyp:skia',
         '<(DEPTH)/third_party/angle/src/build_angle.gyp:translator_glsl',
         '<(DEPTH)/ui/gl/gl.gyp:gl',
-      ],
-      'include_dirs': [
-        '<(DEPTH)/skia/config',
+        '<(DEPTH)/ui/ui.gyp:ui',
+        '<(webkit_src_dir)/Source/WebKit/chromium/WebKit.gyp:webkit',
       ],
       'sources': [
         # This list contains all .h and .cc in gpu except for test code.
+        'gl_bindings_skia_cmd_buffer.cc',
+        'gl_bindings_skia_cmd_buffer.h',
         'webgraphicscontext3d_in_process_command_buffer_impl.cc',
         'webgraphicscontext3d_in_process_command_buffer_impl.h',
         'webgraphicscontext3d_in_process_impl.cc',
         'webgraphicscontext3d_in_process_impl.h',
         'webkit_gpu.gypi',
       ],
       'conditions': [
         ['inside_chromium_build==0', {
           'dependencies': [
             '<(DEPTH)/webkit/support/setup_third_party.gyp:third_party_headers',
           ],
         }],
       ],
+      'defines': [
+        'WEBKIT_GPU_IMPLEMENTATION',
+      ],
     },
   ],
 }