Allows support for persistent session types in BrowserCdm.

content/renderer/media/crypto/renderer_cdm_manager.h

Index: content/renderer/media/crypto/renderer_cdm_manager.h
diff --git a/content/renderer/media/crypto/renderer_cdm_manager.h b/content/renderer/media/crypto/renderer_cdm_manager.h
index 1ab051324e625b39b24b4b9eecf03f87edc781f0..3a5215f7ad31ca9797fc66aebee88eb5ea99eb98 100644
--- a/content/renderer/media/crypto/renderer_cdm_manager.h
+++ b/content/renderer/media/crypto/renderer_cdm_manager.h
@@ -46,8 +46,13 @@ class RendererCdmManager : public RenderFrameObserver {
   void CreateSessionAndGenerateRequest(
       int cdm_id,
       uint32_t promise_id,
+      media::MediaKeys::SessionType session_type,
       CdmHostMsg_CreateSession_InitDataType init_data_type,
       const std::vector<uint8>& init_data);
+  void LoadSession(int cdm_id,
+                   uint32_t promise_id,
+                   media::MediaKeys::SessionType session_type,
+                   const std::string& session_id);
   void UpdateSession(int cdm_id,
                      uint32_t promise_id,
                      const std::string& session_id,
@@ -55,6 +60,9 @@ class RendererCdmManager : public RenderFrameObserver {
   void CloseSession(int cdm_id,
                     uint32_t promise_id,
                     const std::string& session_id);
+  void RemoveSession(int cdm_id,
+                     uint32_t promise_id,
+                     const std::string& session_id);
   void DestroyCdm(int cdm_id);
 
   // Registers a ProxyMediaKeys object. Returns allocated CDM ID.