Introduce ClassDescriptor#getStaticScope()

Will be used to exterminate hacks related to static Java methods in our
codebase: synthetic class object for enum, synthetic package for static members
of Java classes, etc.

core/serialization/src/org/jetbrains/jet/descriptors/serialization/descriptors/DeserializedClassDescriptor.java

@@ -36,6 +36,7 @@ import org.jetbrains.jet.lang.resolve.DescriptorFactory;
 import org.jetbrains.jet.lang.resolve.OverridingUtil;
 import org.jetbrains.jet.lang.resolve.name.Name;
 import org.jetbrains.jet.lang.resolve.scopes.JetScope;
+import org.jetbrains.jet.lang.resolve.scopes.StaticScopeForKotlinClass;
 import org.jetbrains.jet.lang.types.AbstractClassTypeConstructor;
 import org.jetbrains.jet.lang.types.ErrorUtils;
 import org.jetbrains.jet.lang.types.JetType;
@@ -61,8 +62,8 @@ public class DeserializedClassDescriptor extends AbstractClassDescriptor impleme
     private final NotNullLazyValue<Annotations> annotations;
 
     private final NullableLazyValue<ClassDescriptor> classObjectDescriptor;
-
     private final NestedClassDescriptors nestedClasses;
+    private final JetScope staticScope = new StaticScopeForKotlinClass(this);
 
     private final NotNullLazyValue<DeclarationDescriptor> containingDeclaration;
     private final DeserializedClassTypeConstructor typeConstructor;
@@ -194,6 +195,12 @@ public class DeserializedClassDescriptor extends AbstractClassDescriptor impleme
         return memberScope;
     }
 
+    @NotNull
+    @Override
+    public JetScope getStaticScope() {
+        return staticScope;
+    }
+
     @Nullable
     private ConstructorDescriptor computePrimaryConstructor() {
         if (!classProto.hasPrimaryConstructor()) return null;