blimp: Add settings to allow the client to download the whole page.

blimp/engine/feature/engine_settings_feature.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_ENGINE_FEATURE_ENGINE_SETTINGS_FEATURE_H_
+#define BLIMP_ENGINE_FEATURE_ENGINE_SETTINGS_FEATURE_H_
+
+#include "base/macros.h"
+#include "base/observer_list.h"
+#include "blimp/engine/session/settings_manager.h"
+#include "blimp/net/blimp_message_processor.h"
+#include "content/public/browser/render_view_host.h"
+
+namespace blimp {
+class EngineSettingsMessage;
+
+namespace engine {
+
+// The feature is used to receive global settings from the client.
+class EngineSettingsFeature : public BlimpMessageProcessor {
+ public:
+  explicit EngineSettingsFeature(SettingsManager* settings_manager);
+  ~EngineSettingsFeature() override;
+
+  // BlimpMessageProcessor implementation.
+  void ProcessMessage(scoped_ptr<BlimpMessage> message,
+                      const net::CompletionCallback& callback) override;
+
+ private:
+  void ProcessWebPreferences(const EngineSettingsMessage& settings);
+
+  SettingsManager* settings_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(EngineSettingsFeature);
+};
+
+}  // namespace engine
+}  // namespace blimp
+
+#endif  // BLIMP_ENGINE_FEATURE_ENGINE_SETTINGS_FEATURE_H_