Add type argument to pepper content decryptor method GenerateKeyRequest().

webkit/media/crypto/ppapi/clear_key_cdm.h

Index: webkit/media/crypto/ppapi/clear_key_cdm.h
diff --git a/webkit/media/crypto/ppapi/clear_key_cdm.h b/webkit/media/crypto/ppapi/clear_key_cdm.h
index 95c188fe051677bcf2f4aed7ae54b8f6bcd8bfa6..d94af06ffc24906b6b2ef573f84b1e60c8d20a18 100644
--- a/webkit/media/crypto/ppapi/clear_key_cdm.h
+++ b/webkit/media/crypto/ppapi/clear_key_cdm.h
@@ -46,6 +46,8 @@ class ClearKeyCdm : public cdm::ContentDecryptionModule {
 
   // ContentDecryptionModule implementation.
   virtual cdm::Status GenerateKeyRequest(
+      const char* mime_type,
+      int mime_type_size,
       const uint8_t* init_data,
       int init_data_size,
       cdm::KeyMessage* key_request) OVERRIDE;