Updated xeth instances to take extra param for ui.Interface

Please be aware that if any of the instances on xeth.frontend are called
the program will crash due to the default, temporarily, frontend
interface.

rpc/api.go

@@ -9,7 +9,6 @@ For each request type, define the following:
 package rpc
 
 import (
-	"fmt"
 	"math/big"
 	"strings"
 	"sync"
@@ -23,7 +22,6 @@ import (
 	"github.com/ethereum/go-ethereum/event"
 	"github.com/ethereum/go-ethereum/event/filter"
 	"github.com/ethereum/go-ethereum/state"
-	"github.com/ethereum/go-ethereum/ui"
 	"github.com/ethereum/go-ethereum/xeth"
 )
 
@@ -721,14 +719,3 @@ func (self *EthereumApi) useState(statedb *state.StateDB) {
 
 	self.eth = self.eth.UseState(statedb)
 }
-
-func t(f ui.Frontend) {
-	// Call the password dialog
-	ret, err := f.Call("PasswordDialog")
-	if err != nil {
-		fmt.Println(err)
-	}
-	// Get the first argument
-	t, _ := ret.Get(0)
-	fmt.Println("return:", t)
-}