- Merge https://github.com/JetBrains/kotlin/pull/90

- Move introduce and remove !! call to one class

idea/testData/quickfix/expressions/afterUnnecessaryNonNullAssertion2.kt

@@ -1,4 +1,4 @@
-// "Replace with dot call" "true"
+// "Remove unnecessary non-null assertion (!!)" "true"
 fun test(value : String) {
     value<caret>.equals("test")
 }

idea/testData/quickfix/expressions/afterUnnecessaryNonNullAssertion3.kt

@@ -1,4 +1,4 @@
-// "Remove unnecessary non-null assertion (!!)" "false"
+// "Remove unnecessary non-null assertion (!!)" "true"
 fun test(value : String) : Int {
-    return value<caret>!!.length()
+    return value<caret>.length
 }

idea/testData/quickfix/expressions/afterUnsafeCall2.kt

@@ -1,4 +1,4 @@
-// "Replace with non-null asserted (!!.) call" "true"
+// "Add non-null asserted (!!) call" "true"
 fun foo(a: Int?) {
     a!!.plus(1)
 }

idea/testData/quickfix/expressions/afterUnsafeCall3.kt

@@ -0,0 +1,4 @@
+// "Add non-null asserted (!!) call" "true"
+fun foo(a: Int?) {
+    a!!.plus(1)
+}

idea/testData/quickfix/expressions/beforeUnnecessaryNonNullAssertion2.kt

@@ -1,4 +1,4 @@
-// "Replace with dot call" "true"
+// "Remove unnecessary non-null assertion (!!)" "true"
 fun test(value : String) {
     value!!<caret>.equals("test")
 }

idea/testData/quickfix/expressions/beforeUnnecessaryNonNullAssertion3.kt

@@ -1,4 +1,4 @@
-// "Remove unnecessary non-null assertion (!!)" "false"
+// "Remove unnecessary non-null assertion (!!)" "true"
 fun test(value : String) : Int {
-    return value<caret>!!.length()
+    return value<caret>!!.length
 }

idea/testData/quickfix/expressions/beforeUnsafeCall2.kt

@@ -1,4 +1,4 @@
-// "Replace with non-null asserted (!!.) call" "true"
+// "Add non-null asserted (!!) call" "true"
 fun foo(a: Int?) {
     a<caret>.plus(1)
 }

idea/testData/quickfix/expressions/beforeUnsafeCall3.kt

@@ -0,0 +1,4 @@
+// "Add non-null asserted (!!) call" "true"
+fun foo(a: Int?) {
+    a.<caret>plus(1)
+}