Expose Blimp dependencies to the embedder

blimp/client/app/linux/blimp_display_manager.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 BLIMP_CLIENT_APP_LINUX_BLIMP_DISPLAY_MANAGER_H_
 #define BLIMP_CLIENT_APP_LINUX_BLIMP_DISPLAY_MANAGER_H_
 
 #include <memory>
 
 #include "base/macros.h"
@@ skipping 40 matching lines @@
                                     float device_pixel_ratio) override;
   void OnAcceleratedWidgetDestroyed() override;
   void OnActivationChanged(bool active) override {}
 
  private:
   float device_pixel_ratio_;
 
   BlimpDisplayManagerDelegate* delegate_;
   TabControlFeature* tab_control_feature_;
 
+  std::unique_ptr<BlimpCompositorDependencies> compositor_dependencies_;
+  std::unique_ptr<BlimpCompositorManager> compositor_manager_;
   std::unique_ptr<BrowserCompositor> compositor_;
-
-  std::unique_ptr<BlimpCompositorManager> blimp_compositor_manager_;
   std::unique_ptr<ui::PlatformWindow> platform_window_;
 
   DISALLOW_COPY_AND_ASSIGN(BlimpDisplayManager);
 };
 
 }  // namespace client
 }  // namespace blimp
 
 #endif  // BLIMP_CLIENT_APP_LINUX_BLIMP_DISPLAY_MANAGER_H_