Adding Chrome-side WebVR interface

content/browser/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/crypto.gni")
 import("//build/config/features.gni")
 import("//build/config/ui.gni")
 import("//content/browser/browser.gni")
 import("//media/media_options.gni")
 
@@ skipping 462 matching lines @@
     ]
   }
 
   if (is_linux && use_openssl) {
     deps += [ "//third_party/boringssl" ]
   }
 
   if (enable_media_mojo_renderer) {
     deps += [ "//media/mojo/services:renderer_service" ]
   }
+
+  if (enable_webvr) {
+    sources += [
+      "vr/vr_device.cc",
+      "vr/vr_device.h",
+      "vr/vr_device_manager.cc",
+      "vr/vr_device_manager.h",
+      "vr/vr_device_provider.h",
+    ]
+  }
 }