Implement InstanceIDAndroid using InstanceIDWithSubtype.java

components/gcm_driver/instance_id/android/component_jni_registrar.h

Index: components/gcm_driver/instance_id/android/component_jni_registrar.h
diff --git a/components/gcm_driver/instance_id/android/component_jni_registrar.h b/components/gcm_driver/instance_id/android/component_jni_registrar.h
new file mode 100644
index 0000000000000000000000000000000000000000..8027a223ec096bf11071157092915ace248d35e2
--- /dev/null
+++ b/components/gcm_driver/instance_id/android/component_jni_registrar.h
@@ -0,0 +1,21 @@
+// 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.
+
+#ifndef COMPONENTS_GCM_DRIVER_INSTANCE_ID_ANDROID_COMPONENT_JNI_REGISTRAR_H_
+#define COMPONENTS_GCM_DRIVER_INSTANCE_ID_ANDROID_COMPONENT_JNI_REGISTRAR_H_
+
+#include <jni.h>
+
+namespace instance_id {
+
+namespace android {

[Peter Beverloo, 2016/04/11 14:05:31]

nit: no blank line between the namespace declarations (nor when closing them).
In the .cc too.

https://google.github.io/styleguide/cppguide.html#Namespace_Formatting

[johnme, 2016/04/13 11:42:12]

Done.

+
+// Register all JNI bindings necessary for the gcm_driver/instance_id component.
+bool RegisterInstanceIDJni(JNIEnv* env);
+
+}  // namespace android
+
+}  // namespace instance_id
+
+#endif  // COMPONENTS_GCM_DRIVER_INSTANCE_ID_ANDROID_COMPONENT_JNI_REGISTRAR_H_