Source release v3.5.0

core/include/initialization_data.h

@@ -29,6 +29,7 @@ class InitializationData {
   std::vector<uint8_t> hls_iv() const { return hls_iv_; }
   CdmHlsMethod hls_method() const { return hls_method_; }
   std::vector<video_widevine::SubLicense> ExtractEmbeddedKeys() const;
+  const std::string ExtractGroupMasterKeyId() const;
 
  private:
   // Parse a blob of multiple concatenated PSSH atoms to extract the first