Removed 'implicit this' from scope for member lookup

compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/AbstractLazyMemberScope.java

@@ -262,16 +262,9 @@ public abstract class AbstractLazyMemberScope<D extends DeclarationDescriptor, D
     @NotNull
     @Override
     public List<ReceiverParameterDescriptor> getImplicitReceiversHierarchy() {
-        ReceiverParameterDescriptor receiver = getImplicitReceiver();
-        if (receiver != null) {
-            return Collections.singletonList(receiver);
-        }
         return Collections.emptyList();
     }
 
-    @Nullable
-    protected abstract ReceiverParameterDescriptor getImplicitReceiver();
-
     // Do not change this, override in concrete subclasses:
     // it is very easy to compromise laziness of this class, and fail all the debugging
     // a generic implementation can't do this properly

compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyClassDescriptor.java

@@ -243,6 +243,7 @@ public class LazyClassDescriptor extends ClassDescriptorBase implements ClassDes
     private JetScope computeScopeForMemberDeclarationResolution() {
         WritableScopeImpl thisScope = new WritableScopeImpl(JetScope.EMPTY, this, RedeclarationHandler.DO_NOTHING, "Scope with 'this' for " + getName());
         thisScope.addLabeledDeclaration(this);
+        thisScope.setImplicitReceiver(this.getThisAsReceiverParameter());
         thisScope.changeLockLevel(WritableScope.LockLevel.READING);
 
         ClassDescriptor classObject = getClassObjectDescriptor();

compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyClassMemberScope.java

@@ -326,12 +326,6 @@ public class LazyClassMemberScope extends AbstractLazyMemberScope<LazyClassDescr
         return null;
     }
 
-    @NotNull
-    @Override
-    protected ReceiverParameterDescriptor getImplicitReceiver() {
-        return thisDescriptor.getThisAsReceiverParameter();
-    }
-
     @NotNull
     public Set<ConstructorDescriptor> getConstructors() {
         ConstructorDescriptor constructor = getPrimaryConstructor();

compiler/frontend/src/org/jetbrains/jet/lang/resolve/lazy/descriptors/LazyPackageMemberScope.java

@@ -49,11 +49,6 @@ public class LazyPackageMemberScope extends AbstractLazyMemberScope<PackageFragm
         return resolveSession.getScopeProvider().getFileScope(declaration.getContainingJetFile());
     }
 
-    @Override
-    protected ReceiverParameterDescriptor getImplicitReceiver() {
-        return ReceiverParameterDescriptor.NO_RECEIVER_PARAMETER;
-    }
-
     @Override
     protected void getNonDeclaredFunctions(@NotNull Name name, @NotNull Set<FunctionDescriptor> result) {
         // No extra functions