Initialize the CDM asynchronously

ppapi/cpp/private/content_decryptor_private.h

 // Copyright (c) 2012 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 PPAPI_CPP_PRIVATE_CONTENT_DECRYPTOR_PRIVATE_H_
 #define PPAPI_CPP_PRIVATE_CONTENT_DECRYPTOR_PRIVATE_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 16 matching lines @@
 class ContentDecryptor_Private {
  public:
   explicit ContentDecryptor_Private(Instance* instance);
   virtual ~ContentDecryptor_Private();
 
   // PPP_ContentDecryptor_Private functions exposed as virtual functions
   // for you to override.
   // TODO(tomfinegan): This could be optimized to pass pp::Var instead of
   // strings. The change would allow the CDM wrapper to reuse vars when
   // replying to the browser.
-  virtual void Initialize(const std::string& key_system,
+  virtual void Initialize(uint32_t promise_id,
+                          const std::string& key_system,
                           bool allow_distinctive_identifier,
                           bool allow_persistent_state) = 0;
   virtual void SetServerCertificate(uint32_t promise_id,
                                     pp::VarArrayBuffer server_certificate) = 0;
   virtual void CreateSessionAndGenerateRequest(
       uint32_t promise_id,
       PP_SessionType session_type,
       PP_InitDataType init_data_type,
       pp::VarArrayBuffer init_data) = 0;
   virtual void LoadSession(uint32_t promise_id,
@@ skipping 74 matching lines @@
   void DeliverSamples(pp::Buffer_Dev audio_frames,
                       const PP_DecryptedSampleInfo& decrypted_sample_info);
 
  private:
   InstanceHandle associated_instance_;
 };
 
 }  // namespace pp
 
 #endif  // PPAPI_CPP_PRIVATE_CONTENT_DECRYPTOR_PRIVATE_H_