Sandbox html_viewer on Linux.

components/font_service/font_service_app.h

+// Copyright 2015 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 COMPONENTS_FONT_SERVICE_FONT_SERVICE_APP_H_
+#define COMPONENTS_FONT_SERVICE_FONT_SERVICE_APP_H_
+
+#include "components/font_service/public/interfaces/font_service.mojom.h"
+#include "mojo/application/public/cpp/application_delegate.h"
+#include "mojo/application/public/cpp/interface_factory.h"
+#include "mojo/common/weak_binding_set.h"
+#include "skia/ext/skia_utils_base.h"
+
+namespace font_service {
+
+class FontServiceApp : public mojo::ApplicationDelegate,
+                       public mojo::InterfaceFactory<FontService>,
+                       public FontService {
+ public:
+  FontServiceApp();
+  ~FontServiceApp() override;
+
+ private:
+  // ApplicationDelegate:
+  void Initialize(mojo::ApplicationImpl* app) override;
+  bool ConfigureIncomingConnection(
+      mojo::ApplicationConnection* connection) override;
+
+  // mojo::InterfaceFactory<FontService>:
+  void Create(mojo::ApplicationConnection* connection,
+              mojo::InterfaceRequest<FontService> request) override;
+
+  // FontService:
+  void MatchFamilyName(const mojo::String& family_name,
+                       TypefaceStyle requested_style,
+                       const MatchFamilyNameCallback& callback) override;
+  void OpenStream(uint32_t id_number,
+                  const OpenStreamCallback& callback) override;
+
+  int FindOrAddPath(const SkString& path);
+
+  mojo::WeakBindingSet<FontService> bindings_;
+
+  // We don't want to leak paths to our callers; we thus enumerate the paths of
+  // fonts.
+  SkTDArray<SkString*> paths_;
+
+  DISALLOW_COPY_AND_ASSIGN(FontServiceApp);
+};
+
+}  // namespace font_service
+
+#endif  // COMPONENTS_FONT_SERVICE_FONT_SERVICE_APP_H_