[System-Keyboard-Lock] Forward navigator functions to RenderFrameHost

content/browser/keyboard_lock/keyboard_lock_service_impl.h

+// Copyright 2017 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 <memory>
+#include <string>
+#include <vector>
+
+#include "content/common/content_export.h"
+#include "mojo/public/cpp/bindings/binding.h"
+#include "third_party/WebKit/public/platform/modules/keyboard_lock/keyboard_lock.mojom.h"
+
+namespace content {
+
+class RenderFrameHost;
+
+class CONTENT_EXPORT KeyboardLockServiceImpl
+    : public NON_EXPORTED_BASE(blink::mojom::KeyboardLockService) {
+ public:
+  ~KeyboardLockServiceImpl() override;
+
+  static void CreateMojoService(
+      RenderFrameHost* render_frame_host,
+      blink::mojom::KeyboardLockServiceRequest request);
+
+  void RequestKeyLock(const std::vector<std::string>& key_codes,
+                      const RequestKeyLockCallback& callback) override;
+  void CancelKeyLock(const CancelKeyLockCallback& callback) override;
+
+ private:
+  KeyboardLockServiceImpl();
+
+  std::unique_ptr<mojo::Binding<blink::mojom::KeyboardLockService>> binding_;

[dcheng, 2017/04/17 23:07:52]

Just use mojo::Binding<> directly, no need to have a unique_ptr involved. When
constructing, just use the single-argument constructor and pass this.

[Hzj_jie, 2017/04/18 02:26:07]

Done.

+};
+
+}  // namespace