Fix for field resolution for cascade, tests for ensure this

compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java

Index: compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
diff --git a/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java b/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
index b34d3a0f43197be2d61443294a2d73938ff4b272..1528a11f6b0109fdba4b29e68d201d4eaba47418 100644
--- a/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
+++ b/compiler/java/com/google/dart/compiler/type/TypeAnalyzer.java
@@ -2253,7 +2253,7 @@ public class TypeAnalyzer implements DartCompilationPhase {
       if (node.getName().isResolutionAlreadyReportedThatTheMethodCouldNotBeFound()) {
         return dynamicType;
       }
-      DartNode qualifier = node.getQualifier();
+      DartNode qualifier = node.getRealTarget();
       Type receiver = nonVoidTypeOf(qualifier);
       // convert into InterfaceType
       InterfaceType cls = types.getInterfaceType(receiver);