Add BlimpClientContext and factory with real and dummy implementation

blimp/client/core/android/blimp_client_context_impl_android.cc

Index: blimp/client/core/android/blimp_client_context_impl_android.cc
diff --git a/blimp/client/core/android/blimp_client_context_impl_android.cc b/blimp/client/core/android/blimp_client_context_impl_android.cc
new file mode 100644
index 0000000000000000000000000000000000000000..4eafea903b1d9134dbfc8364ac9df675d4734536
--- /dev/null
+++ b/blimp/client/core/android/blimp_client_context_impl_android.cc
@@ -0,0 +1,59 @@
+// 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/core/android/blimp_client_context_impl_android.h"
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "blimp/client/core/blimp_contents_impl.h"
+#include "jni/BlimpClientContextImpl_jni.h"
+
+namespace blimp {
+namespace client {
+
+// static
+bool BlimpClientContextImplAndroid::RegisterJni(JNIEnv* env) {
+  return RegisterNativesImpl(env);
+}
+
+// static
+BlimpClientContextImplAndroid* BlimpClientContextImplAndroid::FromJavaObject(
+    JNIEnv* env,
+    jobject jobj) {
+  return reinterpret_cast<BlimpClientContextImplAndroid*>(
+      Java_BlimpClientContextImpl_getNativePtr(env, jobj));
+}
+
+base::android::ScopedJavaLocalRef<jobject>
+BlimpClientContextImplAndroid::GetJavaObject() {
+  return base::android::ScopedJavaLocalRef<jobject>(java_obj_);
+}
+
+BlimpClientContextImplAndroid::BlimpClientContextImplAndroid(
+    BlimpClientContextImpl* blimp_client_context_impl)
+    : blimp_client_context_impl_(blimp_client_context_impl) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+
+  java_obj_.Reset(env, Java_BlimpClientContextImpl_create(
+                           env, reinterpret_cast<intptr_t>(this))
+                           .obj());
+}
+
+BlimpClientContextImplAndroid::~BlimpClientContextImplAndroid() {
+  Java_BlimpClientContextImpl_clearNativePtr(
+      base::android::AttachCurrentThread(), java_obj_.obj());
+}
+
+base::android::ScopedJavaLocalRef<jobject>
+BlimpClientContextImplAndroid::CreateBlimpContents(JNIEnv* env, jobject jobj) {
+  std::unique_ptr<BlimpContents> blimp_contents =
+      blimp_client_context_impl_->CreateBlimpContents();
+  // This intentionally releases the ownership and gives it to Java.
+  BlimpContentsImpl* blimp_contents_impl =
+      static_cast<BlimpContentsImpl*>(blimp_contents.release());
+  return blimp_contents_impl->GetJavaBlimpContentsImpl();
+}
+
+}  // namespace client
+}  // namespace blimp