Revert of Move vr features.gni into its own directory.

device/vr/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("features/features.gni")
+import("features.gni")
+import("//build/buildflag_header.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
 
+# Generate a buildflag header for compile-time checking of WebVR support.
+buildflag_header("features") {
+  header = "features.h"
+  flags = [
+    "ENABLE_VR=$enable_vr",
+    "ENABLE_OPENVR=$enable_openvr",
+  ]
+}
+
 component("vr") {
   output_name = "device_vr"
 
   sources = [
     "vr_export.h",
   ]
   defines = [ "DEVICE_VR_IMPLEMENTATION" ]
   deps = [
-    ":mojo_bindings",
-    "features",
+    ":features",
   ]
+  if (!is_ios) {
+    deps += [ ":mojo_bindings" ]
+  }
 
   if (!enable_vr) {
     sources += [
       # We need to include an empty .cc file so that mac and windows don't fall over when trying to
       # compile this when webvr is disabled.
       "empty.cc",
     ]
   } else {
     sources += [
       "vr_device.cc",
@@ skipping 76 matching lines @@
 
     public_deps = [
       ":mojo_bindings",
       ":vr",
       "//base",
       "//mojo/public/cpp/bindings",
     ]
   }
 }
 
-mojom("mojo_bindings") {
-  sources = [
-    "vr_service.mojom",
-  ]
+if (!is_ios) {
+  mojom("mojo_bindings") {
+    sources = [
+      "vr_service.mojom",
+    ]
 
-  public_deps = [
-    "//gpu/ipc/common:interfaces",
-    "//mojo/common:common_custom_types",
-  ]
+    public_deps = [
+      "//gpu/ipc/common:interfaces",
+      "//mojo/common:common_custom_types",
+    ]
 
-  export_class_attribute = "DEVICE_VR_EXPORT"
-  export_define = "DEVICE_VR_IMPLEMENTATION=1"
-  export_header = "device/vr/vr_export.h"
+    export_class_attribute = "DEVICE_VR_EXPORT"
+    export_define = "DEVICE_VR_IMPLEMENTATION=1"
+    export_header = "device/vr/vr_export.h"
+  }
 }