Debugger, minor: Fix line breakpoint popup (add containing declaration name)

idea/jvm-debugger/jvm-debugger-core/src/org/jetbrains/kotlin/idea/debugger/breakpoints/KotlinLineBreakpoint.kt

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.idea.debugger.breakpoints
 import com.intellij.debugger.engine.DebugProcess
 import com.intellij.debugger.impl.DebuggerUtilsEx
 import com.intellij.openapi.project.Project
+import com.intellij.psi.util.PsiTreeUtil
 import com.intellij.xdebugger.XSourcePosition
 import com.intellij.xdebugger.breakpoints.XBreakpoint
 import com.intellij.xdebugger.breakpoints.XBreakpointProperties
@@ -15,6 +16,9 @@ import com.sun.jdi.AbsentInformationException
 import com.sun.jdi.ReferenceType
 import org.jetbrains.kotlin.codegen.inline.KOTLIN_STRATA_NAME
 import org.jetbrains.kotlin.idea.debugger.isDexDebug
+import org.jetbrains.kotlin.psi.KtElement
+import org.jetbrains.kotlin.psi.psiUtil.getNonStrictParentOfType
+import org.jetbrains.kotlin.util.containingNonLocalDeclaration
 
 class KotlinLineBreakpoint(
     project: Project?,
@@ -61,4 +65,13 @@ class KotlinLineBreakpoint(
 
         return false
     }
+
+    override fun getMethodName(): String? {
+        val element = sourcePosition?.elementAt?.getNonStrictParentOfType<KtElement>()
+        if (element is KtElement) {
+            element.containingNonLocalDeclaration()?.name?.let { return it }
+        }
+
+        return super.getMethodName()
+    }
 }