highlight usages for parameter doesn't look at base declarations

#KT-10204 Fixed

idea/src/org/jetbrains/kotlin/idea/findUsages/handlers/KotlinFindMemberUsagesHandler.kt

@@ -31,6 +31,7 @@ import com.intellij.usageView.UsageInfo
 import com.intellij.util.*
 import org.jetbrains.kotlin.asJava.toLightMethods
 import org.jetbrains.kotlin.descriptors.CallableDescriptor
+import org.jetbrains.kotlin.descriptors.ParameterDescriptor
 import org.jetbrains.kotlin.idea.caches.resolve.resolveToDescriptorIfAny
 import org.jetbrains.kotlin.idea.findUsages.KotlinCallableFindUsagesOptions
 import org.jetbrains.kotlin.idea.findUsages.KotlinFindUsagesHandlerFactory
@@ -164,8 +165,12 @@ abstract class KotlinFindMemberUsagesHandler<T : KtNamedDeclaration>
 
     override fun findReferencesToHighlight(target: PsiElement, searchScope: SearchScope): Collection<PsiReference> {
         val callableDescriptor = (target as? KtCallableDeclaration)?.resolveToDescriptorIfAny() as? CallableDescriptor
-        val baseDescriptors = callableDescriptor?.findOriginalTopMostOverriddenDescriptors() ?: emptyList<CallableDescriptor>()
-        val baseDeclarations = baseDescriptors.map { it.source.getPsi() }.filter { it != null && it != target }
+        val descriptorsToHighlight = if (callableDescriptor is ParameterDescriptor)
+            listOf(callableDescriptor)
+        else
+            callableDescriptor?.findOriginalTopMostOverriddenDescriptors() ?: emptyList<CallableDescriptor>()
+
+        val baseDeclarations = descriptorsToHighlight.map { it.source.getPsi() }.filter { it != null && it != target }
 
         return if (baseDeclarations.isNotEmpty()) {
             baseDeclarations.flatMap {

idea/testData/findUsages/kotlin/findParameterUsages/kotlinHighlightParameterUsages.0.kt

@@ -0,0 +1,11 @@
+// PSI_ELEMENT: org.jetbrains.kotlin.psi.KtParameter
+// HIGHLIGHTING
+interface A {
+    fun test(foo: Int)
+}
+
+class B(): A {
+    override fun test(foo<caret>: Int) {
+        println(foo) // not highlighted `foo`
+    }
+}

idea/testData/findUsages/kotlin/findParameterUsages/kotlinHighlightParameterUsages.results.txt

@@ -0,0 +1 @@
+Value read (9: 17) println(foo) // not highlighted `foo`

idea/tests/org/jetbrains/kotlin/findUsages/FindUsagesTestGenerated.java

@@ -803,6 +803,12 @@ public class FindUsagesTestGenerated extends AbstractFindUsagesTest {
                 String fileName = KotlinTestUtils.navigationMetadata("idea/testData/findUsages/kotlin/findParameterUsages/kotlinFunctionParameterUsages.0.kt");
                 doTest(fileName);
             }
+
+            @TestMetadata("kotlinHighlightParameterUsages.0.kt")
+            public void testKotlinHighlightParameterUsages() throws Exception {
+                String fileName = KotlinTestUtils.navigationMetadata("idea/testData/findUsages/kotlin/findParameterUsages/kotlinHighlightParameterUsages.0.kt");
+                doTest(fileName);
+            }
         }
 
         @TestMetadata("idea/testData/findUsages/kotlin/findPrimaryConstructorUsages")