extract method: make static and pass fields as parameters if possible (IDEA-112230)

java/java-tests/testData/refactoring/extractMethod/CantPassFieldAsParameter.java

@@ -0,0 +1,6 @@
+class X {
+  private int myI;
+  void foo() {
+    <selection>int i = myI++;</selection>
+  }
+}

java/java-tests/testData/refactoring/extractMethod/PassFieldAsParameterAndMakeStatic.java

@@ -0,0 +1,6 @@
+class X {
+  private int myI;
+  void foo() {
+    <selection>int i = myI;</selection>
+  }
+}

java/java-tests/testData/refactoring/extractMethod/PassFieldAsParameterAndMakeStatic_after.java

@@ -0,0 +1,10 @@
+class X {
+  private int myI;
+  void foo() {
+      newMethod(myI);
+  }
+
+    private static void newMethod(int myI) {
+        int i = myI;
+    }
+}