JS: implement new coroutine convention

compiler/testData/codegen/box/coroutines/controlFlow/returnFromFinally.kt

@@ -17,10 +17,10 @@ class Controller {
     }
 }
 
-fun builder(coroutine c: () -> String): String {
+fun builder(c: suspend Controller.() -> String): String {
     val controller = Controller()
-    c.startCoroutine(handleResult {
-        controller.result += "return($value);"
+    c.startCoroutine(controller, handleResultContinuation {
+        controller.result += "return($it);"
     })
     return controller.result
 }

compiler/testData/codegen/box/coroutines/multiModule/simple.kt

@@ -13,7 +13,7 @@ class Controller {
     }
 }
 
-// MODULE: main(controller)
+// MODULE: main(controller, support)
 // FILE: main.kt
 import lib.*
 import kotlin.coroutines.*

compiler/testData/codegen/box/coroutines/simple.kt

@@ -1,9 +1,7 @@
-// IGNORE_BACKEND: JS
 // WITH_RUNTIME
 // WITH_COROUTINES
 import kotlin.coroutines.*
 
-
 suspend fun suspendHere(): String = suspendWithCurrentContinuation { x ->
     x.resume("OK")
     SUSPENDED