media: Pass CdmConfig in mojo CDM interface.

media/mojo/interfaces/content_decryption_module.mojom

Index: media/mojo/interfaces/content_decryption_module.mojom
diff --git a/media/mojo/interfaces/content_decryption_module.mojom b/media/mojo/interfaces/content_decryption_module.mojom
index a620196206ec2b2fda3409f4244fef84a6ef6679..3e217641ab2c7e0efd21914f131fad1ac7077658 100644
--- a/media/mojo/interfaces/content_decryption_module.mojom
+++ b/media/mojo/interfaces/content_decryption_module.mojom
@@ -29,6 +29,13 @@ enum CdmKeyStatus {
   OUTPUT_NOT_ALLOWED
 };
 
+// Transport layer of media::CdmConfig (see media/base/cdm_config.h).
+struct CdmConfig {
+  bool allow_distinctive_identifier;
+  bool allow_persistent_state;
+  bool use_hw_secure_codecs;
+};
+
 // Transport layer of media::CdmPromise (see media/base/cdm_promise.h).
 // - When |success| is true, the promise is resolved and all other fields should
 //   be ignored.
@@ -79,10 +86,10 @@ interface ContentDecryptionModule {
   SetClient(ContentDecryptionModuleClient client);
 
   // Initializes the CDM. |cdm_id| will later be used to locate the CDM at the
-  // remote side. If initialization failed (e.g. |key_system| is not supported),
-  // |result.success| will be false.
-  Initialize(string key_system, string security_origin, int32 cdm_id)
-      => (CdmPromiseResult result);
+  // remote side. If initialization failed (e.g. |key_system| or |cdm_config| is
+  // not supported), |result.success| will be false.
+  Initialize(string key_system, string security_origin, CdmConfig cdm_config,
+             int32 cdm_id) => (CdmPromiseResult result);
 
   // Provides a server certificate to be used to encrypt messages to the
   // license server.