Revert of 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_