Intentions: Implement intention which rename file according to the top-level class name

#KT-15068 Fixed

idea/testData/quickfix/implement/annotation.kt

@@ -1,4 +1,5 @@
 // "Create subclass" "false"
+// ACTION: Rename file to My.kt
 
 annotation class <caret>My(val x: Int)
 

idea/testData/quickfix/implement/enum.kt

@@ -1,6 +1,7 @@
 // "Create subclass" "false"
 // ACTION: Create test
 // ACTION: Convert to sealed class
+// ACTION: Rename file to My.kt
 
 enum class <caret>My {
     SINGLE {

idea/testData/quickfix/implement/finalClass.kt

@@ -1,4 +1,5 @@
 // "Create subclass" "false"
 // ACTION: Create test
+// ACTION: Rename file to Base.kt
 
 class <caret>Base

idea/testData/quickfix/modifiers/noAbstractForObject.kt

@@ -2,6 +2,7 @@
 // ACTION: Create test
 // ACTION: Implement members
 // ACTION: Move 'Some' to separate file
+// ACTION: Rename file to Some.kt
 // ERROR: Object 'Some' must be declared abstract or implement abstract member public abstract fun foo(): Unit defined in T
 interface T {
     fun foo()

idea/testData/quickfix/removeUnused/importEnumValues.kt

@@ -1,6 +1,7 @@
 // "Safe delete 'MyEnum'" "false"
 // ACTION: Create test
 // ACTION: Convert to sealed class
+// ACTION: Rename file to MyEnum.kt
 
 import MyEnum.values
 

idea/testData/quickfix/removeUnused/importObjectFun.kt

@@ -1,5 +1,6 @@
 // "Safe delete 'MyObj'" "false"
 // ACTION: Create test
+// ACTION: Rename file to MyObj.kt
 
 import MyObj.foo
 

idea/testData/quickfix/removeUnused/usedClassAsAlias.kt

@@ -1,6 +1,7 @@
 // "Safe delete 'Imported'" "false"
 // ACTION: Create test
 // ACTION: Move 'ImportedClass' to separate file
+// ACTION: Rename file to ImportedClass.kt
 import ImportedClass as ClassAlias
 
 class <caret>ImportedClass

idea/testData/quickfix/removeUnused/usedObjectAsAlias.kt

@@ -1,6 +1,7 @@
 // "Safe delete 'Imported'" "false"
 // ACTION: Create test
 // ACTION: Move 'Imported' to separate file
+// ACTION: Rename file to Imported.kt
 import Imported as Alias
 
 object <caret>Imported

idea/testData/quickfix/removeUnused/usedObjectAsAliasMulti.before.Main.kt

@@ -1,3 +1,4 @@
 // "Safe delete 'Imported'" "false"
 // ACTION: Create test
+// ACTION: Rename file to Imported.kt
 object <caret>Imported

idea/testData/quickfix/unusedSuppressAnnotation/notForJava.kt

@@ -1,5 +1,6 @@
 // "Suppress for declarations annotated by 'java.lang.SuppressWarnings'" "false"
 // ACTION: Safe delete 'Unused'
 // ACTION: Create test
+// ACTION: Rename file to Unused.kt
 @java.lang.SuppressWarnings("")
 class <caret>Unused