Add CDM FileIO tests.

media/cdm/ppapi/clear_key_cdm.h

 // Copyright 2013 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 MEDIA_CDM_PPAPI_CLEAR_KEY_CDM_H_
 #define MEDIA_CDM_PPAPI_CLEAR_KEY_CDM_H_
 
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/synchronization/lock.h"
 #include "media/cdm/aes_decryptor.h"
 #include "media/cdm/ppapi/clear_key_cdm_common.h"
 
 // Enable this to use the fake decoder for testing.
 // TODO(tomfinegan): Move fake audio decoder into a separate class.
 #if 0
 #define CLEAR_KEY_CDM_USE_FAKE_AUDIO_DECODER
 #endif
 
 namespace media {
+class CdmFileIOTest;
 class CdmVideoDecoder;
 class DecoderBuffer;
 class FFmpegCdmAudioDecoder;
 
 // Clear key implementation of the cdm::ContentDecryptionModule interface.
 class ClearKeyCdm : public ClearKeyCdmInterface {
  public:
   explicit ClearKeyCdm(Host* host, bool is_decrypt_only);
   virtual ~ClearKeyCdm();
 
@@ skipping 100 matching lines @@
   // Returns the number of samples generated in the |audio_frames|.
   int GenerateFakeAudioFramesFromDuration(int64 duration_in_microseconds,
                                           cdm::AudioFrames* audio_frames) const;
 
   // Generates fake video frames given |input_timestamp|.
   // Returns cdm::kSuccess if any audio frame is successfully generated.
   cdm::Status GenerateFakeAudioFrames(int64 timestamp_in_microseconds,
                                       cdm::AudioFrames* audio_frames);
 #endif  // CLEAR_KEY_CDM_USE_FAKE_AUDIO_DECODER
 
+  void StartCdmFileIOTest();
+
+  // Callback for CDM File IO test.
+  void OnFileIOTestComplete(bool success);
+
   Client client_;
   AesDecryptor decryptor_;
 
   // Protects the |client_| from being accessed by the |decryptor_|
   // simultaneously.
   base::Lock client_lock_;
 
   ClearKeyCdmHost* host_;
 
   const bool is_decrypt_only_;
 
-  std::string heartbeat_session_id_;
+  std::string last_session_id_;
+
   std::string next_heartbeat_message_;
 
   // Timer delay in milliseconds for the next host_->SetTimer() call.
   int64 timer_delay_ms_;
 
   // Indicates whether a timer has been set to prevent multiple timers from
   // running.
   bool timer_set_;
 
 #if defined(CLEAR_KEY_CDM_USE_FAKE_AUDIO_DECODER)
   int channel_count_;
   int bits_per_channel_;
   int samples_per_second_;
   int64 output_timestamp_base_in_microseconds_;
   int total_samples_generated_;
 #endif  // CLEAR_KEY_CDM_USE_FAKE_AUDIO_DECODER
 
 #if defined(CLEAR_KEY_CDM_USE_FFMPEG_DECODER)
   scoped_ptr<FFmpegCdmAudioDecoder> audio_decoder_;
 #endif  // CLEAR_KEY_CDM_USE_FFMPEG_DECODER
 
   scoped_ptr<CdmVideoDecoder> video_decoder_;
 
+  scoped_ptr<CdmFileIOTest> cdm_file_io_test_;
+
   DISALLOW_COPY_AND_ASSIGN(ClearKeyCdm);
 };
 
 }  // namespace media
 
 #endif  // MEDIA_CDM_PPAPI_CLEAR_KEY_CDM_H_