Encrypted Media: Implement IPC based SetCdm().

content/renderer/media/cdm_session_adapter.h

Index: content/renderer/media/cdm_session_adapter.h
diff --git a/content/renderer/media/cdm_session_adapter.h b/content/renderer/media/cdm_session_adapter.h
index 9c8ae0a5ee04b061f7805947d99418f73bdb2bf7..725a9ff3451808fb966b08a90bfe881cabcb5b23 100644
--- a/content/renderer/media/cdm_session_adapter.h
+++ b/content/renderer/media/cdm_session_adapter.h
@@ -33,7 +33,7 @@ class CdmSessionAdapter : public base::RefCounted<CdmSessionAdapter> {
   bool Initialize(
 #if defined(ENABLE_PEPPER_CDMS)
       const CreatePepperCdmCB& create_pepper_cdm_cb,
-#endif
+#endif  // defined(ENABLE_PEPPER_CDMS)

[ddorwin, 2014/03/25 23:04:00]

nit: Comment not necessary for a simple ifdef.

[xhwang, 2014/03/26 06:02:04]

Done.

       const std::string& key_system);
 
   // Creates a new session and adds it to the internal map. The caller owns the
@@ -65,6 +65,12 @@ class CdmSessionAdapter : public base::RefCounted<CdmSessionAdapter> {
   // after WebContentDecryptionModule is freed. http://crbug.com/330324
   media::Decryptor* GetDecryptor();
 
+#if defined(OS_ANDROID)
+  // Returns the CDM ID associated with the |media_keys_|. May be kInvalidCdmId
+  // if no CDM ID is associated.
+  int GetCdmId() const;
+#endif
+
  private:
   friend class base::RefCounted<CdmSessionAdapter>;
   typedef std::map<uint32, WebContentDecryptionModuleSessionImpl*> SessionMap;
@@ -85,14 +91,17 @@ class CdmSessionAdapter : public base::RefCounted<CdmSessionAdapter> {
   // Helper function of the callbacks.
   WebContentDecryptionModuleSessionImpl* GetSession(uint32 session_id);
 
+  // Session ID should be unique per renderer process for debugging purposes.
+  static uint32 next_session_id_;
+
   scoped_ptr<media::MediaKeys> media_keys_;
 
   SessionMap sessions_;
 
-  // Session ID should be unique per renderer process for debugging purposes.
-  static uint32 next_session_id_;
+#if defined(OS_ANDROID)
+  int cdm_id_;
+#endif
 
-  // NOTE: Weak pointers must be invalidated before all other member variables.
   base::WeakPtrFactory<CdmSessionAdapter> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CdmSessionAdapter);