Create new interface instead of ClosureClassMap for variable usage information that is not Element-…

pkg/compiler/lib/src/dump_info.dart

Index: pkg/compiler/lib/src/dump_info.dart
diff --git a/pkg/compiler/lib/src/dump_info.dart b/pkg/compiler/lib/src/dump_info.dart
index 6cf48bd84e42b6263dbbea334e90c2fd02550217..7427c751e730d4f634a675377d0cc34356468023 100644
--- a/pkg/compiler/lib/src/dump_info.dart
+++ b/pkg/compiler/lib/src/dump_info.dart
@@ -214,11 +214,8 @@ class ElementInfoCollector extends BaseElementVisitor<Info, dynamic> {
         size: compiler.dumpInfoTask.sizeOf(element));
     _elementToInfo[element] = closureInfo;
 
-    ClosureClassMap closureMap = compiler.closureToClassMapper
-        .getClosureToClassMapping(element.methodElement.resolvedAst);
-    assert(closureMap != null && closureMap.closureClassElement == element);
-
-    FunctionInfo functionInfo = this.process(closureMap.callElement);
+    FunctionInfo functionInfo = this.process(compiler.closureToClassMapper
+        .getCallEntity(element.methodElement.resolvedAst));

[Johnni Winther, 2017/05/31 12:39:51]

`element.methodElement.resolvedAst` -> `element.methodElement`  (getCallEntity
takes a LocalFunctionElement)

     if (functionInfo == null) return null;
     closureInfo.function = functionInfo;
     functionInfo.parent = closureInfo;