Adjust various testData to size transformation

compiler/testData/codegen/box/classes/initializerBlockDImpl.kt

@@ -15,6 +15,6 @@ class World() {
 
 fun box() : String {
   val w = World()
-  if (w.items.size() != 1) return "fail"
+  if (w.items.size != 1) return "fail"
   return "OK"
 }

compiler/testData/codegen/box/classes/kt2395.kt

@@ -3,7 +3,7 @@ import java.util.AbstractList
 class MyList(): AbstractList<String>() {
      public fun getModificationCount(): Int = modCount
      public override fun get(index: Int): String = ""
-     public override fun size(): Int = 0
+     public override val size: Int get() = 0
 }
 
 fun box(): String {

compiler/testData/codegen/box/classes/kt343.kt

@@ -20,5 +20,5 @@ fun box(): String {
     }
     bar()
 
-    return if (list.size() == 2 && list.get(0) == 2 && list.get(1) == 3) "OK" else "fail"
+    return if (list.size == 2 && list.get(0) == 2 && list.get(1) == 3) "OK" else "fail"
 }

compiler/testData/codegen/box/classes/overloadBinaryOperator.kt

@@ -21,5 +21,5 @@ fun box(): String {
     v1.add("foo")
     v2.add("bar")
     val v3 = v1 + v2
-    return if (v3.contents.size() == 2) "OK" else "fail"
+    return if (v3.contents.size == 2) "OK" else "fail"
 }

compiler/testData/codegen/box/classes/overloadPlusAssign.kt

@@ -22,5 +22,5 @@ fun box(): String {
     v1.add("foo")
     v2.add("bar")
     v1 += v2
-    return if (v1.contents.size() == 2) "OK" else "fail"
+    return if (v1.contents.size == 2) "OK" else "fail"
 }

compiler/testData/codegen/box/classes/overloadPlusAssignReturn.kt

@@ -26,5 +26,5 @@ fun box(): String {
     val v3 = v1
     v2.add("bar")
     v1 += v2
-    return if (v1.contents.size() == 2 && v3.contents.size() == 1) "OK" else "fail"
+    return if (v1.contents.size == 2 && v3.contents.size == 1) "OK" else "fail"
 }

compiler/testData/codegen/box/classes/overloadPlusToPlusAssign.kt

@@ -26,5 +26,5 @@ fun box(): String {
     val v3 = v1
     v2.add("bar")
     v1 += v2
-    return if (v1.contents.size() == 2 && v3.contents.size() == 1) "OK" else "fail"
+    return if (v1.contents.size == 2 && v3.contents.size == 1) "OK" else "fail"
 }