Fix formatting in some of test data files.

Adapted from https://github.com/develar/kotlin/commit/a9e0a42fb1347fa8e21c86b5a073ef8a7c873da0.

js/js.translator/testFiles/extensionFunction/cases/extensionLiteralPassedToFunction.kt

@@ -1,7 +1,7 @@
 package foo
 
-fun apply(i : Int, f : Int.(Int) -> Int) = i.f(1);
+fun apply(i: Int, f: Int.(Int) -> Int) = i.f(1);
 
-fun box() : Boolean {
-    return (apply(1, {i -> i + this})) == 2
+fun box(): Boolean {
+    return apply(1, {i -> i + this}) == 2
 }

js/js.translator/testFiles/extensionFunction/cases/extensionPropertyOnClassWithExplicitAndImplicitReceiver.kt

@@ -1,26 +1,24 @@
 package foo
 
 class Foo {
-
-  fun blah(value: Int): Int {
-    return value + 1
-  }
-
+    fun blah(value: Int): Int {
+        return value + 1
+    }
 }
 
-val Foo.fooImp : Int
-  get() {
-    return blah(5)
-  }
+val Foo.fooImp: Int
+    get() {
+        return blah(5)
+    }
 
-val Foo.fooExp : Int
-  get() {
-    return this.blah(10)
-  }
+val Foo.fooExp: Int
+    get() {
+        return this.blah(10)
+    }
 
-fun box() : Boolean {
+fun box(): Boolean {
     var a = Foo()
     if (a.fooImp != 6) return false
     if (a.fooExp != 11) return false
     return true;
-}
+}

js/js.translator/testFiles/extensionFunction/cases/virtualExtensionOverride.kt

@@ -1,16 +1,16 @@
 package foo
 
-open class A(var a : Int) {
+open class A(var a: Int) {
 
-    open fun Int.modify() : Int {
+    open fun Int.modify(): Int {
         return this * 3;
     }
 
     fun eval() = a.modify();
 }
 
-class B(a : Int) : A(a) {
-    override fun Int.modify() : Int {
+class B(a: Int): A(a) {
+    override fun Int.modify(): Int {
         return this - 2;
     }
 }