Add BlimpClientContext and factory with real and dummy implementation

blimp/client/core/blimp_client_context_impl.h

+// 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 BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_
+#define BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_
+
+#include "base/macros.h"
+#include "base/supports_user_data.h"
+#include "blimp/client/public/blimp_client_context.h"
+#include "blimp/client/public/blimp_contents.h"
+
+#if defined(OS_ANDROID)
+#include "base/android/jni_android.h"
+#endif  // defined(OS_ANDROID)
+
+namespace blimp {
+namespace client {
+
+#if defined(OS_ANDROID)
+class BlimpClientContextImplAndroid;
+#endif  // defined(OS_ANDROID)
+
+// BlimpClientContextImpl is the implementation of the main context-class for
+// the blimp client.
+class BlimpClientContextImpl : public BlimpClientContext,
+                               base::SupportsUserData {
+ public:
+  BlimpClientContextImpl();
+  ~BlimpClientContextImpl() override;
+
+#if defined(OS_ANDROID)
+  BlimpClientContextImplAndroid* GetBlimpClientContextImplAndroid();
+#endif  // defined(OS_ANDROID)
+
+// BlimpClientContext implementation.
+#if defined(OS_ANDROID)
+  base::android::ScopedJavaLocalRef<jobject> GetJavaObject() override;
+#endif  // defined(OS_ANDROID)
+  void SetDelegate(BlimpClientContextDelegate* delegate) override;
+  std::unique_ptr<BlimpContents> CreateBlimpContents() override;
+
+ private:
+  BlimpClientContextDelegate* delegate_;
+
+  DISALLOW_COPY_AND_ASSIGN(BlimpClientContextImpl);
+};
+
+}  // namespace client
+}  // namespace blimp
+
+#endif  // BLIMP_CLIENT_CORE_BLIMP_CLIENT_CONTEXT_IMPL_H_