Remove Sync GetPose VRService call, implement VRVSyncProvider

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().
 }
 
-if (current_cpu == "arm" || current_cpu == "arm64") {
-  component("vr") {
-    output_name = "device_vr"
+component("vr") {
+  output_name = "device_vr"
 
-    sources = [
-      "vr_device.cc",
-      "vr_device.h",
-      "vr_device_manager.cc",
-      "vr_device_manager.h",
-      "vr_device_provider.h",
-      "vr_display_impl.cc",
-      "vr_display_impl.h",
-      "vr_service_impl.cc",
-      "vr_service_impl.h",
+  sources = [
+    "vr_device.cc",
+    "vr_device.h",
+    "vr_device_manager.cc",
+    "vr_device_manager.h",
+    "vr_device_provider.h",
+    "vr_display_impl.cc",
+    "vr_display_impl.h",
+    "vr_export.h",
+    "vr_service_impl.cc",
+    "vr_service_impl.h",
+  ]
+
+  public_deps = [
+    ":mojo_bindings",
+    "//base",
+    "//mojo/public/cpp/bindings",
+    "//ui/gfx",
+  ]
+
+  defines = [ "DEVICE_VR_IMPLEMENTATION" ]
+  if (is_android && (current_cpu == "arm" || current_cpu == "arm64")) {
+    sources += [
+      "android/gvr/gvr_delegate.cc",
+      "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 = [
-      ":mojo_bindings",
-      "//base",
-      "//mojo/public/cpp/bindings",
-      "//ui/gfx",
+    public_deps += [
+      "//device/gamepad",
+      "//third_party/WebKit/public:blink_headers",
     ]
+    ldflags = [ "-landroid" ]
+    libs =
+        [ "//third_party/gvr-android-sdk/libgvr_shim_static_${current_cpu}.a" ]
+    configs += [ "//third_party/gvr-android-sdk:libgvr_config" ]
+  }
+}
 
-    defines = [ "DEVICE_VR_IMPLEMENTATION" ]
+static_library("fakes") {
+  testonly = true
 
-    if (is_android) {
-      sources += [
-        "android/gvr/gvr_delegate.cc",
-        "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",
-      ]
+  sources = [
+    "test/fake_vr_device.cc",
+    "test/fake_vr_device.h",
+    "test/fake_vr_device_provider.cc",
+    "test/fake_vr_device_provider.h",
+    "test/fake_vr_display_impl_client.cc",
+    "test/fake_vr_display_impl_client.h",
+    "test/fake_vr_service_client.cc",
+    "test/fake_vr_service_client.h",
+  ]
 
-      deps += [
-        "//device/gamepad",
-        "//third_party/WebKit/public:blink_headers",
-      ]
-      ldflags = [ "-landroid" ]
-      libs = [ "//third_party/gvr-android-sdk/libgvr_shim_static_${current_cpu}.a" ]
-      configs += [ "//third_party/gvr-android-sdk:libgvr_config" ]
-    }
-  }
-
-  static_library("fakes") {
-    testonly = true
-
-    sources = [
-      "test/fake_vr_device.cc",
-      "test/fake_vr_device.h",
-      "test/fake_vr_device_provider.cc",
-      "test/fake_vr_device_provider.h",
-      "test/fake_vr_display_impl_client.cc",
-      "test/fake_vr_display_impl_client.h",
-      "test/fake_vr_service_client.cc",
-      "test/fake_vr_service_client.h",
-    ]
-
-    public_deps = [
-      ":mojo_bindings",
-      ":vr",
-      "//base",
-      "//mojo/public/cpp/bindings",
-    ]
-  }
+  public_deps = [
+    ":mojo_bindings",
+    ":vr",
+    "//base",
+    "//mojo/public/cpp/bindings",
+  ]
 }
 
 mojom("mojo_bindings") {
   sources = [
     "vr_service.mojom",
   ]
+
+  public_deps = [
+    "//mojo/common:common_custom_types",
+  ]
+
+  export_class_attribute = "DEVICE_VR_EXPORT"
+  export_define = "DEVICE_VR_IMPLEMENTATION=1"
+  export_header = "device/vr/vr_export.h"
 }