Support LoadSession() in MediaKeys and PPP_ContentDecryptor_Private interface.

content/renderer/media/android/proxy_media_keys.h

Index: content/renderer/media/android/proxy_media_keys.h
diff --git a/content/renderer/media/android/proxy_media_keys.h b/content/renderer/media/android/proxy_media_keys.h
index ca5c932d883e1974b7b2b573fcce141a9e8dbfbd..b61f8526fec6a55b54c5f4962c9019e4b0be99d3 100644
--- a/content/renderer/media/android/proxy_media_keys.h
+++ b/content/renderer/media/android/proxy_media_keys.h
@@ -33,9 +33,11 @@ class ProxyMediaKeys : public media::MediaKeys {
 
   // 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 bool LoadSession(uint32 session_id,
+                           const std::string& web_session_id) OVERRIDE;
   virtual void UpdateSession(uint32 session_id,
                              const uint8* response,
                              int response_length) OVERRIDE;