|  | @@ -336,9 +336,8 @@ grpc_call* grpc_channel_create_call(grpc_channel* channel,
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				|  |  |    grpc_core::ExecCtx exec_ctx;
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				|  |  |    grpc_call* call = grpc_channel_create_call_internal(
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				|  |  |        channel, parent_call, propagation_mask, cq, nullptr,
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				|  |  | -      grpc_mdelem_from_slices(GRPC_MDSTR_PATH, grpc_slice_ref_internal(method)),
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				|  |  | -      host != nullptr ? grpc_mdelem_from_slices(GRPC_MDSTR_AUTHORITY,
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				|  |  | -                                                grpc_slice_ref_internal(*host))
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				|  |  | +      grpc_mdelem_create(GRPC_MDSTR_PATH, method, nullptr),
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				|  |  | +      host != nullptr ? grpc_mdelem_create(GRPC_MDSTR_AUTHORITY, *host, nullptr)
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				|  |  |                        : GRPC_MDNULL,
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				|  |  |        grpc_timespec_to_millis_round_up(deadline));
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				|  |  |  
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				|  | @@ -347,14 +346,13 @@ grpc_call* grpc_channel_create_call(grpc_channel* channel,
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				|  |  |  
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				|  |  |  grpc_call* grpc_channel_create_pollset_set_call(
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				|  |  |      grpc_channel* channel, grpc_call* parent_call, uint32_t propagation_mask,
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				|  |  | -    grpc_pollset_set* pollset_set, grpc_slice method, const grpc_slice* host,
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				|  |  | -    grpc_millis deadline, void* reserved) {
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				|  |  | +    grpc_pollset_set* pollset_set, const grpc_slice& method,
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				|  |  | +    const grpc_slice* host, grpc_millis deadline, void* reserved) {
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				|  |  |    GPR_ASSERT(!reserved);
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				|  |  |    return grpc_channel_create_call_internal(
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				|  |  |        channel, parent_call, propagation_mask, nullptr, pollset_set,
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				|  |  | -      grpc_mdelem_from_slices(GRPC_MDSTR_PATH, grpc_slice_ref_internal(method)),
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				|  |  | -      host != nullptr ? grpc_mdelem_from_slices(GRPC_MDSTR_AUTHORITY,
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				|  |  | -                                                grpc_slice_ref_internal(*host))
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				|  |  | +      grpc_mdelem_create(GRPC_MDSTR_PATH, method, nullptr),
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				|  |  | +      host != nullptr ? grpc_mdelem_create(GRPC_MDSTR_AUTHORITY, *host, nullptr)
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				|  |  |                        : GRPC_MDNULL,
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				|  |  |        deadline);
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				|  |  |  }
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