Add CDM allocator interface.

webkit/media/crypto/ppapi/clear_key_cdm.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_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_
 #define WEBKIT_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/synchronization/lock.h"
 #include "media/base/decryptor_client.h"
 #include "media/crypto/aes_decryptor.h"
 #include "webkit/media/crypto/ppapi/content_decryption_module.h"
 
 namespace media {
 class DecoderBuffer;
 }
 
 namespace webkit_media {
 
 // Clear key implementation of the cdm::ContentDecryptionModule interface.
 class ClearKeyCdm : public cdm::ContentDecryptionModule {
  public:
-  ClearKeyCdm();
+  explicit ClearKeyCdm(cdm::Allocator* allocator);
   virtual ~ClearKeyCdm();
 
   // ContentDecryptionModule implementation.
-  virtual cdm::Status GenerateKeyRequest(const uint8_t* init_data,
-                                         int init_data_size,
-                                         cdm::KeyMessage* key_request) OVERRIDE;
+  virtual cdm::Status GenerateKeyRequest(
+    const uint8_t* init_data,
+    int init_data_size,
+    cdm::KeyMessage* key_request) OVERRIDE;
   virtual cdm::Status AddKey(const char* session_id,
                              int session_id_size,
                              const uint8_t* key,
                              int key_size,
                              const uint8_t* key_id,
                              int key_id_size) OVERRIDE;
   virtual cdm::Status CancelKeyRequest(const char* session_id,
                                        int session_id_size) OVERRIDE;
   virtual cdm::Status Decrypt(const cdm::InputBuffer& encrypted_buffer,
                               cdm::OutputBuffer* decrypted_buffer) OVERRIDE;
@@ skipping 47 matching lines @@
    private:
     Status status_;
     std::string session_id_;
     scoped_array<uint8> key_message_;
     int key_message_length_;
     std::string default_url_;
   };
 
   Client client_;
   media::AesDecryptor decryptor_;
+
   // Protects the |client_| from being accessed by the |decryptor_|
   // simultaneously.
   base::Lock client_lock_;
+
+  cdm::Allocator* const allocator_;
 };
 
 }  // namespace webkit_media
 
 #endif  // WEBKIT_MEDIA_CRYPTO_PPAPI_CLEAR_KEY_CDM_H_