Java: Improved completion for arguments of reflection calls getField() and getMethod() - extract the actual type from Class.forName and from generic type parameter to provide the code assistance (IDEA-167250)

java/java-tests/testData/codeInsight/completion/reflection/AssignChain.java

@@ -0,0 +1,15 @@
+class Main {
+  void foo() {
+    Class<?> a,b,c,d;
+    a = Class.forName("Test");
+    b = a;
+    c = b;
+    d = c;
+    d.getField("<caret>");
+  }
+}
+
+class Test {
+  public int num;
+  public int num2;
+}