Revert "Towards compiling Hello World!" and "Compile and run Hello World!"

pkg/compiler/lib/src/kernel/element_map_impl.dart

Index: pkg/compiler/lib/src/kernel/element_map_impl.dart
diff --git a/pkg/compiler/lib/src/kernel/element_map_impl.dart b/pkg/compiler/lib/src/kernel/element_map_impl.dart
index 4d0483de4811780b35742ff41d29ae6f9d57ebaa..07dc4f65c4e3c48fb953cc2124373149a4c6e76e 100644
--- a/pkg/compiler/lib/src/kernel/element_map_impl.dart
+++ b/pkg/compiler/lib/src/kernel/element_map_impl.dart
@@ -141,7 +141,6 @@ class KernelToElementMapImpl extends KernelToElementMapMixin {
 
   @override
   ConstantValue getFieldConstantValue(ir.Field field) {
-    // TODO(johnniwinther): Cache the result in [_FieldData].
     return getConstantValue(field.initializer, requireConstant: field.isConst);
   }
 
@@ -674,31 +673,12 @@ class KernelToElementMapImpl extends KernelToElementMapMixin {
   @override
   FieldEntity getField(ir.Field node) => _getField(node);
 
-  bool hasConstantFieldInitializer(KField field) {
-    _FieldData data = _memberList[field.memberIndex];
-    return getFieldConstantValue(data.node) != null;
-  }
-
-  ConstantValue getConstantFieldInitializer(KField field) {
-    _FieldData data = _memberList[field.memberIndex];
-    ConstantValue value = getFieldConstantValue(data.node);
-    assert(value != null,
-        failedAt(field, "Field $field doesn't have a constant initial value."));
-    return value;
-  }
-
   TypeVariableEntity getTypeVariable(ir.TypeParameter node) =>
       _getTypeVariable(node);
 
   @override
   FunctionEntity getMethod(ir.Procedure node) => _getMethod(node);
 
-  void forEachParameter(KFunction function,
-      void f(DartType type, String name, ConstantValue defaultValue)) {
-    _FunctionData data = _memberList[function.memberIndex];
-    data.forEachParameter(this, f);
-  }
-
   @override
   MemberEntity getMember(ir.Member node) {
     if (node is ir.Field) {
@@ -1086,29 +1066,6 @@ class _FunctionData extends _MemberData {
   FunctionType getFunctionType(KernelToElementMapImpl elementMap) {
     return _type ??= elementMap.getFunctionType(functionNode);
   }
-
-  void forEachParameter(KernelToElementMap elementMap,
-      void f(DartType type, String name, ConstantValue defaultValue)) {
-    void handleParameter(ir.VariableDeclaration node, {bool isOptional: true}) {
-      DartType type = elementMap.getDartType(node.type);
-      String name = node.name;
-      ConstantValue defaultValue;
-      if (isOptional) {
-        if (node.initializer != null) {
-          defaultValue = elementMap.getConstantValue(node.initializer);
-        } else {
-          defaultValue = new NullConstantValue();
-        }
-      }
-      f(type, name, defaultValue);
-    }
-
-    for (int i = 0; i < functionNode.positionalParameters.length; i++) {
-      handleParameter(functionNode.positionalParameters[i],
-          isOptional: i < functionNode.requiredParameterCount);
-    }
-    functionNode.namedParameters.forEach(handleParameter);
-  }
 }
 
 class _ConstructorData extends _FunctionData {