Add video decoding support in the CDM interface.

webkit/media/crypto/ppapi/clear_key_cdm.h

Index: webkit/media/crypto/ppapi/clear_key_cdm.h
diff --git a/webkit/media/crypto/ppapi/clear_key_cdm.h b/webkit/media/crypto/ppapi/clear_key_cdm.h
index eaad45d9b2e095ba2e765f95e410523ade03de8f..44b3110e315dcc17353d302d724d80a125238f98 100644
--- a/webkit/media/crypto/ppapi/clear_key_cdm.h
+++ b/webkit/media/crypto/ppapi/clear_key_cdm.h
@@ -31,19 +31,23 @@ class ClearKeyCdm : public cdm::ContentDecryptionModule {
   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;
+  virtual cdm::Status InitializeVideoDecoder(
+      const cdm::VideoDecoderConfig& video_decoder_config) OVERRIDE;
+  virtual cdm::Status DecryptAndDecodeVideo(
+      const cdm::InputBuffer& encrypted_buffer,
+      cdm::VideoFrame* video_frame) OVERRIDE;
+  virtual void ResetVideoDecoder() OVERRIDE;
+  virtual void StopVideoDecoder() OVERRIDE;
 
  private:
   class Client : public media::DecryptorClient {