Revert "Adding Chrome-side WebVR interface and Cardboard implementation"

content/renderer/BUILD.gn

 # Copyright 2014 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/features.gni")
 import("//build/config/ui.gni")
 import("//content/renderer/renderer.gni")
 import("//media/media_options.gni")
 
 source_set("renderer") {
@@ skipping 181 matching lines @@
     ]
   }
 
   if (enable_media_mojo_renderer) {
     sources += [
       "media/content_media_service_provider.cc",
       "media/content_media_service_provider.h",
     ]
     deps += [ "//media/mojo/services:proxy" ]
   }
-
-  if (enable_webvr) {
-    sources += [
-      "vr/vr_dispatcher.cc",
-      "vr/vr_dispatcher.h",
-      "vr/vr_type_converters.cc",
-      "vr/vr_type_converters.h",
-    ]
-  }
 }