Add PPAPI decryptor implementation.

ppapi/thunk/ppb_instance_api.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_THUNK_INSTANCE_API_H_
 #define PPAPI_THUNK_INSTANCE_API_H_
 
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "ppapi/c/dev/pp_print_settings_dev.h"
@@ skipping 51 matching lines @@
 
   // Console.
   virtual void Log(PP_Instance instance,
                    PP_LogLevel_Dev log_level,
                    PP_Var value) = 0;
   virtual void LogWithSource(PP_Instance instance,
                              PP_LogLevel_Dev log_level,
                              PP_Var source,
                              PP_Var value) = 0;
 
+  // Content Decryptor.
+  virtual void NeedKey(PP_Instance instance,
+                       PP_Var key_system,
+                       PP_Var session_id,
+                       PP_Var init_data) = 0;
+  virtual void KeyAdded(PP_Instance instance,
+                        PP_Var key_system,
+                        PP_Var session_id) = 0;
+  virtual void KeyMessage(PP_Instance instance,
+                          PP_Var key_system,
+                          PP_Var session_id,
+                          PP_Resource message,
+                          PP_Var default_url) = 0;
+  virtual void KeyError(PP_Instance instance,
+                        PP_Var key_system,
+                        PP_Var session_id,
+                        int32_t media_error,
+                        int32_t system_error) = 0;
+  virtual void DeliverBlock(PP_Instance instance,
+                            PP_Resource decrypted_block,
+                            int32_t request_id) = 0;
+  virtual void DeliverFrame(PP_Instance instance,
+                            PP_Resource decrypted_frame,
+                            int32_t request_id) = 0;
+  virtual void DeliverSamples(PP_Instance instance,
+                              PP_Resource decrypted_samples,
+                              int32_t request_id) = 0;
+
   // Find.
   virtual void NumberOfFindResultsChanged(PP_Instance instance,
                                           int32_t total,
                                           PP_Bool final_result) = 0;
   virtual void SelectedFindResultChanged(PP_Instance instance,
                                          int32_t index) = 0;
 
   // Font.
   virtual PP_Var GetFontFamilies(PP_Instance instance) = 0;
 
@@ skipping 71 matching lines @@
                                       PP_URLComponents_Dev* components) = 0;
 #endif  // !defined(OS_NACL)
 
   static const ApiID kApiID = API_ID_PPB_INSTANCE;
 };
 
 }  // namespace thunk
 }  // namespace ppapi
 
 #endif  // PPAPI_THUNK_INSTANCE_API_H_