Return void from all PPP CDM API interface methods

webkit/plugins/ppapi/ppapi_plugin_instance.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 WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 #define WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_
 
 #include <map>
 #include <set>
 #include <string>
@@ skipping 235 matching lines @@
   void PrintEnd();
 
   bool CanRotateView();
   void RotateView(WebKit::WebPlugin::RotationType type);
 
   void Graphics3DContextLost();
 
   // Provides access to PPP_ContentDecryptor_Private.
   // TODO(tomfinegan): Move decryptor methods to delegate class.
   void set_decrypt_client(media::DecryptorClient* client);
-  bool GenerateKeyRequest(const std::string& key_system,
+  void GenerateKeyRequest(const std::string& key_system,
                           const std::string& init_data);
-  bool AddKey(const std::string& session_id,
+  void AddKey(const std::string& session_id,
               const std::string& key,
               const std::string& init_data);
-  bool CancelKeyRequest(const std::string& session_id);
-  bool Decrypt(const scoped_refptr<media::DecoderBuffer>& encrypted_buffer,
+  void CancelKeyRequest(const std::string& session_id);
+  void Decrypt(const scoped_refptr<media::DecoderBuffer>& encrypted_buffer,
                const media::Decryptor::DecryptCB& decrypt_cb);
   // TODO(xhwang): Update this when we need to support decrypt and decode.
-  bool DecryptAndDecode(
+  void DecryptAndDecode(
       const scoped_refptr<media::DecoderBuffer>& encrypted_buffer,
       const media::Decryptor::DecryptCB& decrypt_cb);
 
   // There are 2 implementations of the fullscreen interface
   // PPB_FlashFullscreen is used by Pepper Flash.
   // PPB_Fullscreen is intended for other applications including NaCl.
   // The two interface are mutually exclusive.
 
   // Implementation of PPB_FlashFullscreen.
 
@@ skipping 484 matching lines @@
   typedef std::map<uint32_t, media::Decryptor::DecryptCB> DecryptionCBMap;
   DecryptionCBMap pending_decryption_cbs_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginInstance);
 };
 
 }  // namespace ppapi
 }  // namespace webkit
 
 #endif  // WEBKIT_PLUGINS_PPAPI_PPAPI_PLUGIN_INSTANCE_H_