Support LoadSession() in MediaKeys and PPP_ContentDecryptor_Private interface.

content/renderer/media/crypto/ppapi_decryptor.h

Index: content/renderer/media/crypto/ppapi_decryptor.h
diff --git a/content/renderer/media/crypto/ppapi_decryptor.h b/content/renderer/media/crypto/ppapi_decryptor.h
index a51824f9e7e8f9f9c8801becf64a4b6fe8695c78..f3461ef7be0213b549f2468e4d1c1679c29c6312 100644
--- a/content/renderer/media/crypto/ppapi_decryptor.h
+++ b/content/renderer/media/crypto/ppapi_decryptor.h
@@ -43,9 +43,11 @@ class PpapiDecryptor : public media::MediaKeys, public media::Decryptor {
 
   // media::MediaKeys implementation.
   virtual bool CreateSession(uint32 session_id,
-                             const std::string& type,
+                             const std::string& content_type,
                              const uint8* init_data,
                              int init_data_length) OVERRIDE;
+  virtual void LoadSession(uint32 session_id,
+                           const std::string& web_session_id) OVERRIDE;
   virtual void UpdateSession(uint32 session_id,
                              const uint8* response,
                              int response_length) OVERRIDE;