Fixed KT-1295, first part of removing 'println'. Undo part is still not working.

idea/testData/refactoring/introduceVariable/DoWhileAddBlockInner.kt

@@ -0,0 +1,15 @@
+open class A() {
+    {
+        do println(<selection>1</selection>) while (true)
+    }
+}
+/*
+open class A() {
+    {
+        do {
+            val i = 1
+            println(i)
+        } while (true)
+    }
+}
+*/

idea/testData/refactoring/introduceVariable/FunctionAddBlockInner.kt

@@ -0,0 +1,7 @@
+fun x(): Int = println(<selection>1</selection>)
+/*
+fun x(): Int {
+    val i = 1
+    println(i)
+}
+*/

idea/testData/refactoring/introduceVariable/IfElseAddBlockInner.kt

@@ -0,0 +1,13 @@
+fun a() {
+    if (true) 2
+    else println(<selection>1</selection>)
+}
+/*
+fun a() {
+    if (true) 2
+    else {
+        val i = 1
+        println(i)
+    }
+}
+*/

idea/testData/refactoring/introduceVariable/IfThenAddBlockInner.kt

@@ -0,0 +1,12 @@
+fun a() {
+    if (true) println(<selection>1</selection>)
+    else 2
+}
+/*
+fun a() {
+    if (true) {
+        val i = 1
+        println(i)
+    } else 2
+}
+*/

idea/testData/refactoring/introduceVariable/WhenAddBlockInner.kt

@@ -0,0 +1,15 @@
+fun a() {
+    when (1) {
+        is 1 -> println(<selection>2</selection>)
+    }
+}
+/*
+fun a() {
+    when (1) {
+        is 1 -> {
+            val i = 2
+            println(i)
+        }
+    }
+}
+*/

idea/testData/refactoring/introduceVariable/WhileAddBlockInner.kt

@@ -0,0 +1,15 @@
+open class A() {
+    {
+        while (true) println(<selection>1</selection>)
+    }
+}
+/*
+open class A() {
+    {
+        while (true) {
+            val i = 1
+            println(i)
+        }
+    }
+}
+*/