Drop KtLightClass#getFqName() and some usages of classFqName in KtLightClassForDecompiledDeclaration

idea/idea-analysis/src/org/jetbrains/kotlin/idea/caches/resolve/KtLightClassForDecompiledDeclaration.kt

@@ -32,7 +32,7 @@ class KtLightClassForDecompiledDeclaration(
         override val kotlinOrigin: KtClassOrObject?,
         private val file: KtClsFile
 ) : KtLightClassBase(clsDelegate.manager) {
-    private val fqName = kotlinOrigin?.fqName ?: FqName(clsDelegate.qualifiedName)
+    val fqName = kotlinOrigin?.fqName ?: FqName(clsDelegate.qualifiedName)
 
     override fun copy() = this
 
@@ -54,15 +54,13 @@ class KtLightClassForDecompiledDeclaration(
 
     override fun getNavigationElement() = kotlinOrigin?.navigationElement ?: file
 
-    override fun getFqName() = fqName
-
     override fun getParent() = clsDelegate.parent
 
     override fun equals(other: Any?): Boolean =
             other is KtLightClassForDecompiledDeclaration &&
-            getFqName() == other.getFqName()
+            fqName == other.fqName
 
     override fun hashCode(): Int =
-            getFqName().hashCode()
+            fqName.hashCode()
 }
 

idea/src/org/jetbrains/kotlin/idea/presentation/KtLightClassListCellRenderer.kt

@@ -19,11 +19,15 @@ package org.jetbrains.kotlin.idea.presentation
 import com.intellij.ide.util.PsiElementListCellRenderer
 import com.intellij.psi.presentation.java.ClassPresentationUtil
 import org.jetbrains.kotlin.asJava.classes.KtLightClass
+import org.jetbrains.kotlin.name.FqName
 
 class KtLightClassListCellRenderer : PsiElementListCellRenderer<KtLightClass>() {
     override fun getElementText(element: KtLightClass) = ClassPresentationUtil.getNameForClass(element, false)
 
-    override fun getContainerText(element: KtLightClass, name: String) = "(" + element.getFqName().parent() + ")"
+    // TODO: correct text for local, anonymous, enum entries ... etc
+    override fun getContainerText(element: KtLightClass, name: String) = element.qualifiedName?.let { qName ->
+        "(" + FqName(qName).parent().asString() + ")"
+    } ?: ""
 
     override fun getIconFlags() = 0
 }