Return a feedback for the INLINE_METHOD refactoring.

pkg/analysis_server/lib/src/services/refactoring/inline_method.dart

Index: pkg/analysis_server/lib/src/services/refactoring/inline_method.dart
diff --git a/pkg/analysis_server/lib/src/services/refactoring/inline_method.dart b/pkg/analysis_server/lib/src/services/refactoring/inline_method.dart
index ae55c052cee2ef4ee9360a2a6bae7dd82aca05cb..42316c207c214e0078cc03ee215013c303ec4905 100644
--- a/pkg/analysis_server/lib/src/services/refactoring/inline_method.dart
+++ b/pkg/analysis_server/lib/src/services/refactoring/inline_method.dart
@@ -173,6 +173,7 @@ class InlineMethodRefactoringImpl extends RefactoringImpl implements
   CorrectionUtils utils;
   SourceChange change;
 
+  bool isDeclaration = false;
   bool deleteSource = false;
   bool inlineAll = true;
 
@@ -194,6 +195,26 @@ class InlineMethodRefactoringImpl extends RefactoringImpl implements
   }
 
   @override
+  String get className {
+    if (_methodElement == null) {
+      return null;
+    }
+    Element classElement = _methodElement.enclosingElement;
+    if (classElement is ClassElement) {
+      return classElement.displayName;
+    }
+    return null;
+  }
+
+  @override
+  String get methodName {
+    if (_methodElement == null) {
+      return null;
+    }
+    return _methodElement.displayName;
+  }
+
+  @override
   String get refactoringName {
     if (_methodElement is MethodElement) {
       return "Inline Method";
@@ -304,7 +325,8 @@ class InlineMethodRefactoringImpl extends RefactoringImpl implements
       _methodParameters = methodDeclaration.parameters;
       _methodBody = methodDeclaration.body;
       // prepare mode
-      deleteSource = selectedNode == methodDeclaration.name;
+      isDeclaration = selectedNode == methodDeclaration.name;
+      deleteSource = isDeclaration;
       inlineAll = deleteSource;
     }
     if (selectedElement is FunctionElement) {
@@ -314,7 +336,8 @@ class InlineMethodRefactoringImpl extends RefactoringImpl implements
       _methodParameters = functionDeclaration.functionExpression.parameters;
       _methodBody = functionDeclaration.functionExpression.body;
       // prepare mode
-      deleteSource = selectedNode == functionDeclaration.name;
+      isDeclaration = selectedNode == functionDeclaration.name;
+      deleteSource = isDeclaration;
       inlineAll = deleteSource;
     }
     // OK