Make abstract both member and class while applying "Make abstract"

So #KT-12613 Fixed

idea/src/org/jetbrains/kotlin/idea/quickfix/AddModifierFix.kt

@@ -33,6 +33,7 @@ import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.lexer.KtTokens.*
 import org.jetbrains.kotlin.psi.*
+import org.jetbrains.kotlin.psi.psiUtil.containingClass
 import org.jetbrains.kotlin.psi.psiUtil.containingClassOrObject
 import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.resolve.DescriptorToSourceUtils
@@ -56,6 +57,14 @@ open class AddModifierFix(
 
     override fun invoke(project: Project, editor: Editor?, file: KtFile) {
         element?.addModifier(modifier)
+
+        if (modifier == KtTokens.ABSTRACT_KEYWORD && (element is KtProperty || element is KtNamedFunction)) {
+            element?.containingClass()?.run {
+                if (!hasModifier(KtTokens.ABSTRACT_KEYWORD) && !hasModifier(KtTokens.SEALED_KEYWORD)) {
+                    addModifier(KtTokens.ABSTRACT_KEYWORD)
+                }
+            }
+        }
     }
 
     override fun isAvailable(project: Project, editor: Editor?, file: PsiFile): Boolean {

idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInFinalClass.kt

@@ -0,0 +1,4 @@
+// "Make 'i' abstract" "true"
+class A() {
+    var <caret>i : Int
+}

idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInFinalClass.kt.after

@@ -0,0 +1,4 @@
+// "Make 'i' abstract" "true"
+abstract class A() {
+    abstract var <caret>i : Int
+}

idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInOpenClass.kt

@@ -0,0 +1,4 @@
+// "Make 'i' abstract" "true"
+open class A() {
+    var <caret>i : Int
+}

idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInOpenClass.kt.after

@@ -0,0 +1,4 @@
+// "Make 'i' abstract" "true"
+abstract class A() {
+    abstract var <caret>i : Int
+}

idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInSealedClass.kt

@@ -0,0 +1,4 @@
+// "Make 'i' abstract" "true"
+sealed class A() {
+    fun <caret>i() : Int
+}

idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInSealedClass.kt.after

@@ -0,0 +1,4 @@
+// "Make 'i' abstract" "true"
+sealed class A() {
+    abstract fun <caret>i() : Int
+}

idea/tests/org/jetbrains/kotlin/idea/quickfix/QuickFixTestGenerated.java

@@ -182,6 +182,24 @@ public class QuickFixTestGenerated extends AbstractQuickFixTest {
             doTest(fileName);
         }
 
+        @TestMetadata("mustBeInitializedOrBeAbstractInFinalClass.kt")
+        public void testMustBeInitializedOrBeAbstractInFinalClass() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInFinalClass.kt");
+            doTest(fileName);
+        }
+
+        @TestMetadata("mustBeInitializedOrBeAbstractInOpenClass.kt")
+        public void testMustBeInitializedOrBeAbstractInOpenClass() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInOpenClass.kt");
+            doTest(fileName);
+        }
+
+        @TestMetadata("mustBeInitializedOrBeAbstractInSealedClass.kt")
+        public void testMustBeInitializedOrBeAbstractInSealedClass() throws Exception {
+            String fileName = KotlinTestUtils.navigationMetadata("idea/testData/quickfix/abstract/mustBeInitializedOrBeAbstractInSealedClass.kt");
+            doTest(fileName);
+        }
+
         @TestMetadata("nonAbstractFunctionWithNoBody.kt")
         public void testNonAbstractFunctionWithNoBody() throws Exception {
             String fileName = KotlinTestUtils.navigationMetadata("idea/testData/quickfix/abstract/nonAbstractFunctionWithNoBody.kt");