Add BlimpClientContext and factory with real and dummy implementation

chrome/browser/android/blimp/chrome_blimp_client_context_delegate_android.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 CHROME_BROWSER_ANDROID_BLIMP_CHROME_BLIMP_CLIENT_CONTEXT_DELEGATE_ANDROID_H_
+#define CHROME_BROWSER_ANDROID_BLIMP_CHROME_BLIMP_CLIENT_CONTEXT_DELEGATE_ANDROID_H_
+
+#include "base/android/jni_android.h"
+#include "base/android/scoped_java_ref.h"
+#include "base/macros.h"
+#include "chrome/browser/android/blimp/chrome_blimp_client_context_delegate.h"
+
+// Android implementation of ChromeBlimpClientContextDelegate which is partly
+// backed by Java.
+class ChromeBlimpClientContextDelegateAndroid
+    : public ChromeBlimpClientContextDelegate {
+ public:
+  static bool RegisterJni(JNIEnv* env);
+
+  ChromeBlimpClientContextDelegateAndroid(JNIEnv* env,
+                                          jobject jobj,
+                                          Profile* profile);
+  ~ChromeBlimpClientContextDelegateAndroid() override;
+
+  void Destroy(JNIEnv* env, const base::android::JavaParamRef<jobject>& jobj);
+
+ private:
+  base::android::ScopedJavaGlobalRef<jobject> java_obj_;
+
+  DISALLOW_COPY_AND_ASSIGN(ChromeBlimpClientContextDelegateAndroid);
+};
+
+#endif  // CHROME_BROWSER_ANDROID_BLIMP_CHROME_BLIMP_CLIENT_CONTEXT_DELEGATE_ANDROID_H_