Enable magic window mode with new Gvr

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("//build/config/features.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 if (is_android) {
   import("//build/config/android/rules.gni")  # For generate_jni().
 }
@@ skipping 27 matching lines @@
       "android/gvr/gvr_delegate.h",
       "android/gvr/gvr_device.cc",
       "android/gvr/gvr_device.h",
       "android/gvr/gvr_device_provider.cc",
       "android/gvr/gvr_device_provider.h",
       "android/gvr/gvr_gamepad_data_fetcher.cc",
       "android/gvr/gvr_gamepad_data_fetcher.h",
     ]
 
     deps += [
-      ":jni_headers",
       "//device/gamepad",
       "//third_party/WebKit/public:blink_headers",
       "//third_party/gvr-android-sdk:libgvr",
     ]
     configs += [ "//third_party/gvr-android-sdk:libgvr_config" ]
   }
 }
 
 static_library("fakes") {
   testonly = true
@@ skipping 13 matching lines @@
   ]
 }
 
 mojom("mojo_bindings") {
   sources = [
     "vr_service.mojom",
   ]
 
   use_new_wrapper_types = false
 }
-
-if (is_android) {
-  java_sources_needing_jni =
-      [ "android/java/src/org/chromium/device/vr/GvrDeviceProvider.java" ]
-
-  generate_jni("jni_headers") {
-    sources = java_sources_needing_jni
-    jni_package = "vr"
-  }
-
-  android_library("java") {
-    java_files = java_sources_needing_jni
-    deps = [
-      "//base:base_java",
-      "//third_party/android_protobuf:protobuf_nano_javalib",
-      "//third_party/gvr-android-sdk:gvr_common_java",
-    ]
-  }
-}