Add FrameHost mojo service

content/browser/frame_service_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 CONTENT_BROWSER_FRAME_SERVICE_IMPL_H_
+#define CONTENT_BROWSER_FRAME_SERVICE_IMPL_H_
+
+#include "content/common/frame_service.mojom.h"
+#include "mojo/public/cpp/bindings/interface_request.h"
+#include "mojo/public/cpp/bindings/strong_binding.h"
+
+namespace content {
+
+class BrowserContext;
+
+class FrameServiceImpl : public mojom::FrameService {

[Ben Goodger (Google), 2016/05/17 14:44:51]

can you have RenderFrameHostImpl just implement this interface directly?

[scottmg, 2016/05/17 17:36:16]

Done.

+ public:
+  FrameServiceImpl(int render_process_id,
+                   int routing_id,
+                   mojom::FrameServiceRequest request);
+  ~FrameServiceImpl() override;
+
+  static void Create(int render_process_id,
+                     int routing_id,
+                     mojom::FrameServiceRequest request);
+
+ private:
+  // mojom::FrameService:
+  void GetHostZoomLevel(const GURL& url,
+                        const GetHostZoomLevelCallback& callback) override;
+
+  mojo::StrongBinding<mojom::FrameService> binding_;
+  int render_process_id_;
+  int routing_id_;
+
+  DISALLOW_COPY_AND_ASSIGN(FrameServiceImpl);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_FRAME_SERVICE_IMPL_H_