media: Pass MediaPermission to MediaDrmBridge

content/gpu/gpu_process_control_impl.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 CONTENT_GPU_GPU_PROCESS_CONTROL_IMPL_H_
 #define CONTENT_GPU_GPU_PROCESS_CONTROL_IMPL_H_
 
 #include "base/macros.h"
 #include "content/child/process_control_impl.h"
 
+namespace media {
+class MediaPermission;
+}
+
 namespace content {
 
 // Customization of ProcessControlImpl for the GPU process.
 class GpuProcessControlImpl : public ProcessControlImpl {
  public:
-  GpuProcessControlImpl();
+  // |media_permission| is guaranteed to be valid during the lifetime of |this|.
+  explicit GpuProcessControlImpl(media::MediaPermission* media_permission);
   ~GpuProcessControlImpl() override;
 
   // ProcessControlImpl:
   void RegisterApplicationFactories(ApplicationFactoryMap* factories) override;
 
  private:
+  media::MediaPermission* media_permission_;
+
   DISALLOW_COPY_AND_ASSIGN(GpuProcessControlImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_GPU_GPU_PROCESS_CONTROL_IMPL_H_