Moving SwiftShader from component to bundled library

ui/gl/init/BUILD.gn

 # Copyright 2016 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.
 
 import("//build/config/ui.gni")
 
 component("init") {
   output_name = "gl_init"
 
   public = [
@@ skipping 36 matching lines @@
       "gl_initializer_mac.cc",
     ]
 
     libs = [ "OpenGL.framework" ]
   } else if (use_x11) {
     sources += [
       "gl_factory_x11.cc",
       "gl_initializer_x11.cc",
     ]
 
-    deps += [ "//ui/gfx/x" ]
+    deps += [
+      "//ui/gfx/x",
+      "//ui/gl:gl_features",
+    ]
   } else if (use_ozone) {
     sources += [
       "gl_factory_ozone.cc",
       "gl_initializer_ozone.cc",
       "ozone_util.h",
     ]
 
     deps += [ "//ui/ozone" ]
   }
 }