introduce parameter: don't show conflicts between new param name and parameter to remove (IDEA-140607)

java/java-tests/testData/refactoring/introduceParameter/afterConflictingNameWithParameterToDelete.java

@@ -0,0 +1,6 @@
+class Test {
+    public void foo(final String anObject) {
+        bar(anObject);
+    }
+    void bar(String f){}
+}

java/java-tests/testData/refactoring/introduceParameter/beforeConflictingNameWithParameterToDelete.java

@@ -0,0 +1,6 @@
+class Test {
+    public void foo(Object anObject) {
+        bar(anObject.toStrin<caret>g());
+    }
+    void bar(String f){}
+}

java/java-tests/testSrc/com/intellij/refactoring/IntroduceParameterTest.java

@@ -314,6 +314,10 @@ public class IntroduceParameterTest extends LightRefactoringTestCase  {
     doTest(IntroduceParameterRefactoring.REPLACE_FIELDS_WITH_GETTERS_ALL, true, false, true, false);
   }
 
+  public void testConflictingNameWithParameterToDelete() {
+    doTest(IntroduceParameterRefactoring.REPLACE_FIELDS_WITH_GETTERS_ALL, true, false, true, false);
+  }
+
   private void doTestThroughHandler() {
     configureByFile("/refactoring/introduceParameter/before" + getTestName(false) + ".java");
     boolean enabled = true;