Find Usages on "override val" in constructor asks about base usages

Also fix long-standing bug with "title" parameter being ignored when
displaying messages

 #KT-17845 Fixed

Author: yole

idea/idea-core/src/org/jetbrains/kotlin/idea/core/util/messages.kt

@@ -25,7 +25,7 @@ import javax.swing.Icon
 
 fun showYesNoCancelDialog(key: String, project: Project, message: String, title: String, icon: Icon, default: Int?): Int {
     return if (!ApplicationManager.getApplication().isUnitTestMode) {
-        Messages.showYesNoCancelDialog(project, message, message, icon)
+        Messages.showYesNoCancelDialog(project, message, title, icon)
     }
     else {
         callInTestMode(key, default)

idea/src/org/jetbrains/kotlin/idea/findUsages/KotlinFindUsagesHandlerFactory.kt

@@ -29,7 +29,6 @@ import com.intellij.psi.PsiElement
 import com.intellij.psi.search.searches.OverridingMethodsSearch
 import org.jetbrains.kotlin.asJava.toLightMethods
 import org.jetbrains.kotlin.asJava.unwrapped
-import org.jetbrains.kotlin.idea.KotlinBundle
 import org.jetbrains.kotlin.idea.findUsages.handlers.DelegatingFindMemberUsagesHandler
 import org.jetbrains.kotlin.idea.findUsages.handlers.KotlinFindClassUsagesHandler
 import org.jetbrains.kotlin.idea.findUsages.handlers.KotlinFindMemberUsagesHandler
@@ -80,6 +79,10 @@ class KotlinFindUsagesHandlerFactory(project: Project) : FindUsagesHandlerFactor
 
             is KtParameter -> {
                 if (canAsk) {
+                    if (element.hasValOrVar()) {
+                        val declarationsToSearch = checkSuperMethods(element, null, "find usages of")
+                        return handlerForMultiple(element, declarationsToSearch)
+                    }
                     val function = element.ownerFunction
                     if (function != null && function.isOverridable()) {
                         val psiMethod = function.toLightMethods().singleOrNull()

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

@@ -848,7 +848,7 @@ fun checkSuperMethods(
         return overriddenElementsToDescriptor.entries.map { entry ->
             val (element, descriptor) = entry
             val description = when (element) {
-                is KtNamedFunction, is KtProperty -> formatClassDescriptor(descriptor.containingDeclaration)
+                is KtNamedFunction, is KtProperty, is KtParameter -> formatClassDescriptor(descriptor.containingDeclaration)
                 is PsiMethod -> {
                     val psiClass = element.containingClass ?: error("Invalid element: ${element.getText()}")
                     formatPsiClass(psiClass, true, false)
@@ -891,7 +891,7 @@ fun checkSuperMethods(
     val overriddenElementsToDescriptor = HashMap<PsiElement, CallableDescriptor>()
     for (overriddenDescriptor in DescriptorUtils.getAllOverriddenDescriptors(declarationDescriptor)) {
         val overriddenDeclaration = DescriptorToSourceUtilsIde.getAnyDeclaration(project, overriddenDescriptor) ?: continue
-        if (overriddenDeclaration is KtNamedFunction || overriddenDeclaration is KtProperty || overriddenDeclaration is PsiMethod) {
+        if (overriddenDeclaration is KtNamedFunction || overriddenDeclaration is KtProperty || overriddenDeclaration is PsiMethod || overriddenDeclaration is KtParameter) {
             overriddenElementsToDescriptor[overriddenDeclaration] = overriddenDescriptor
         }
     }