Tracks GVR version crossed with headset type using UMA.

chrome/browser/android/vr_shell/vr_core_info.h

Index: chrome/browser/android/vr_shell/vr_core_info.h
diff --git a/chrome/browser/android/vr_shell/vr_core_info.h b/chrome/browser/android/vr_shell/vr_core_info.h
new file mode 100644
index 0000000000000000000000000000000000000000..b52d4b9b19c070be8a68b576008ec64b3d6fcbff
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+++ b/chrome/browser/android/vr_shell/vr_core_info.h
@@ -0,0 +1,38 @@
+// Copyright 2017 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.
+
+#ifndef CHROME_BROWSER_ANDROID_VR_SHELL_VR_CORE_INFO_H_
+#define CHROME_BROWSER_ANDROID_VR_SHELL_VR_CORE_INFO_H_
+
+#include <jni.h>
+
+#include "third_party/gvr-android-sdk/src/libraries/headers/vr/gvr/capi/include/gvr_types.h"
+
+namespace vr_shell {
+
+// GENERATED_JAVA_ENUM_PACKAGE: org.chromium.chrome.browser.vr_shell
+enum VrCoreCompatibility {
+  VR_CORE_COMPATIBILITY_VR_NOT_SUPPORTED = 0,
+  VR_CORE_COMPATIBILITY_VR_NOT_AVAILABLE = 1,
+  VR_CORE_COMPATIBILITY_VR_OUT_OF_DATE = 2,
+  VR_CORE_COMPATIBILITY_VR_READY = 3,
+
+  VR_CORE_COMPATIBILITY_LAST = VR_CORE_COMPATIBILITY_VR_READY,
+};
+
+struct VrCoreInfo {
+  const gvr_version gvr_sdk_version;
+  const VrCoreCompatibility compatibility;
+
+  VrCoreInfo(int32_t major_version,
+             int32_t minor_version,
+             int32_t patch_version,
+             VrCoreCompatibility compatibility);
+};
+
+bool RegisterVrCoreInfo(JNIEnv* env);
+
+}  // namespace vr_shell
+
+#endif  // CHROME_BROWSER_ANDROID_VR_SHELL_VR_CORE_INFO_H_