Add BlimpClientContext and factory with real and dummy implementation

blimp/client/dummy/android/dummy_blimp_client_context_android.cc

+// 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.
+
+#include "blimp/client/dummy/android/dummy_blimp_client_context_android.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "jni/DummyBlimpClientContext_jni.h"
+
+namespace blimp {
+namespace client {
+
+// static
+bool DummyBlimpClientContextAndroid::RegisterJni(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+// static
+DummyBlimpClientContextAndroid* DummyBlimpClientContextAndroid::FromJavaObject(
+    JNIEnv* env,
+    jobject jobj) {
+  return reinterpret_cast<DummyBlimpClientContextAndroid*>(
+      Java_DummyBlimpClientContext_getNativePtr(env, jobj));
+}
+
+base::android::ScopedJavaLocalRef<jobject>
+DummyBlimpClientContextAndroid::GetJavaObject() {
+  return base::android::ScopedJavaLocalRef<jobject>(java_obj_);
+}
+
+DummyBlimpClientContextAndroid::DummyBlimpClientContextAndroid() {
+  JNIEnv* env = base::android::AttachCurrentThread();
+
+  java_obj_.Reset(env, Java_DummyBlimpClientContext_create(
+                           env, reinterpret_cast<intptr_t>(this))
+                           .obj());
+}
+
+DummyBlimpClientContextAndroid::~DummyBlimpClientContextAndroid() {
+  Java_DummyBlimpClientContext_clearNativePtr(
+      base::android::AttachCurrentThread(), java_obj_.obj());
+}
+
+}  // namespace client
+}  // namespace blimp