J2K: KotlinIntroduceVariableHandler

idea/src/org/jetbrains/kotlin/idea/refactoring/KotlinRefactoringSupportProvider.kt

@@ -35,7 +35,7 @@ import org.jetbrains.kotlin.psi.*
 public class KotlinRefactoringSupportProvider : RefactoringSupportProvider() {
     override fun isSafeDeleteAvailable(element: PsiElement) = element.canDeleteElement()
 
-    override fun getIntroduceVariableHandler() = KotlinIntroduceVariableHandler()
+    override fun getIntroduceVariableHandler() = KotlinIntroduceVariableHandler
 
     override fun getIntroduceParameterHandler() = KotlinIntroduceParameterHandler()
 

idea/src/org/jetbrains/kotlin/idea/refactoring/jetRefactoringUtil.kt

@@ -40,6 +40,7 @@ import com.intellij.openapi.ui.popup.JBPopupAdapter
 import com.intellij.openapi.ui.popup.LightweightWindowEvent
 import com.intellij.openapi.ui.popup.PopupChooserBuilder
 import com.intellij.openapi.util.Key
+import com.intellij.openapi.util.Pass
 import com.intellij.openapi.util.TextRange
 import com.intellij.openapi.util.text.StringUtil
 import com.intellij.openapi.vfs.LocalFileSystem
@@ -744,3 +745,7 @@ fun <ListType : KtElement> replaceListPsiAndKeepDelimiters(
 
     return originalList
 }
+
+fun <T> Pass(body: (T) -> Unit) = object: Pass<T>() {
+    override fun pass(t: T) = body(t)
+}

idea/tests/org/jetbrains/kotlin/idea/refactoring/introduce/AbstractExtractionTest.kt

@@ -32,6 +32,7 @@ import com.intellij.refactoring.introduceField.ElementToWorkOn
 import com.intellij.refactoring.introduceParameter.AbstractJavaInplaceIntroducer
 import com.intellij.refactoring.introduceParameter.IntroduceParameterProcessor
 import com.intellij.refactoring.introduceParameter.Util
+import com.intellij.refactoring.util.CommonRefactoringUtil
 import com.intellij.refactoring.util.occurrences.ExpressionOccurrenceManager
 import com.intellij.testFramework.fixtures.JavaCodeInsightTestFixture
 import com.intellij.testFramework.fixtures.LightCodeInsightFixtureTestCase
@@ -67,11 +68,11 @@ public abstract class AbstractExtractionTest() : KotlinLightCodeInsightFixtureTe
         doTest(path) { file ->
             file as KtFile
 
-            KotlinIntroduceVariableHandler().invoke(
+            KotlinIntroduceVariableHandler.invoke(
-                    fixture.getProject(),
+                    fixture.project,
-                    fixture.getEditor(),
+                    fixture.editor,
                     file,
-                    DataManager.getInstance().getDataContext(fixture.getEditor().getComponent())
+                    DataManager.getInstance().getDataContext(fixture.editor.component)
             )
         }
     }
@@ -342,6 +343,9 @@ public abstract class AbstractExtractionTest() : KotlinLightCodeInsightFixtureTe
             val message = e.messages.sorted().joinToString(" ").replace("\n", " ")
             KotlinTestUtils.assertEqualsToFile(conflictFile, message)
         }
+        catch(e: CommonRefactoringUtil.RefactoringErrorHintException) {
+            KotlinTestUtils.assertEqualsToFile(conflictFile, e.message!!)
+        }
         catch(e: RuntimeException) { // RuntimeException is thrown by IDEA code in CodeInsightUtils.java
             if (e.javaClass != RuntimeException::class.java) throw e
             KotlinTestUtils.assertEqualsToFile(conflictFile, e.message!!)