field can be local: group by top level blocks (IDEA-121490)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/afterBlocksInSameMethod.java

@@ -0,0 +1,21 @@
+// "Convert to local" "true"
+import java.util.ArrayList;
+
+class ITest {
+
+    public IntelliJBugConvertToLocal(int x, int z) {
+
+        ArrayList<String> mayBeLocal = new ArrayList<String>();
+        if (x == 5) {
+      mayBeLocal.add("jjj");
+    }
+
+    if (x > z) {
+      useIt(mayBeLocal);
+    }
+  }
+  @SuppressWarnings("UnusedParameters")
+  private void useIt(Object data) {
+    System.out.println(data);
+  }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/convert2Local/beforeBlocksInSameMethod.java

@@ -0,0 +1,22 @@
+// "Convert to local" "true"
+import java.util.ArrayList;
+
+class ITest {
+
+  private ArrayList<String> may<caret>BeLocal = new ArrayList<String>();
+
+  public IntelliJBugConvertToLocal(int x, int z) {
+
+    if (x == 5) {
+      mayBeLocal.add("jjj");
+    }
+
+    if (x > z) {
+      useIt(mayBeLocal);
+    }
+  }
+  @SuppressWarnings("UnusedParameters")
+  private void useIt(Object data) {
+    System.out.println(data);
+  }
+}