ReadClassDataTest: read inner classes

(this commit is made on speed 250km/h somewhere between Moscow and Saint Petersburg)

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaClassMembersScope.java

@@ -83,6 +83,8 @@ public class JavaClassMembersScope implements JetScope {
             }
 
             allDescriptors.addAll(semanticServices.getDescriptorResolver().resolveFieldGroup(containingDeclaration, psiClass, staticMembers));
+
+            allDescriptors.addAll(semanticServices.getDescriptorResolver().resolveInnerClasses(containingDeclaration, psiClass, staticMembers));
         }
         return allDescriptors;
     }

compiler/frontend.java/src/org/jetbrains/jet/lang/resolve/java/JavaDescriptorResolver.java

@@ -1409,4 +1409,13 @@ public class JavaDescriptorResolver {
     public TypeParameterDescriptor resolveTypeParameter(PsiTypeParameter typeParameter) {
         return resolveTypeParameterInitialization(typeParameter).descriptor;
     }
+
+    public List<ClassDescriptor> resolveInnerClasses(DeclarationDescriptor owner, PsiClass psiClass, boolean staticMembers) {
+        PsiClass[] innerPsiClasses = psiClass.getInnerClasses();
+        List<ClassDescriptor> r = new ArrayList<ClassDescriptor>(innerPsiClasses.length);
+        for (PsiClass innerPsiClass : innerPsiClasses) {
+            r.add(resolveClass(innerPsiClass));
+        }
+        return r;
+    }
 }

compiler/testData/readClass/class/ClassInnerClass.kt

+package test
+
+class Outer {
+    class Inner {
+    }
+}