Replace buildVariableInitializer() with explicit initializer function creation.

pkg/analyzer/lib/src/summary/resynthesize.dart

Index: pkg/analyzer/lib/src/summary/resynthesize.dart
diff --git a/pkg/analyzer/lib/src/summary/resynthesize.dart b/pkg/analyzer/lib/src/summary/resynthesize.dart
index a10840fbfe7b32c7d8379f409fd3d052260b4d52..b0c72b6c735f4655e25d3b0156c48e0a701f807c 100644
--- a/pkg/analyzer/lib/src/summary/resynthesize.dart
+++ b/pkg/analyzer/lib/src/summary/resynthesize.dart
@@ -1535,13 +1535,6 @@ class _ResynthesizerContext implements ResynthesizerContext {
   }
 
   @override
-  FunctionElementImpl buildVariableInitializer(
-      VariableElementImpl variable, UnlinkedExecutable serializedInitializer) {
-    return _unitResynthesizer.buildVariableInitializer(
-        variable, serializedInitializer);
-  }
-
-  @override
   DartType resolveLinkedType(
       int slot, TypeParameterizedElementMixin typeParameterContext) {
     return _unitResynthesizer.buildLinkedType(slot, typeParameterContext);
@@ -1799,27 +1792,6 @@ class _UnitResynthesizer {
   }
 
   /**
-   * Resynthesize a [NamespaceCombinator].
-   */
-  NamespaceCombinator buildCombinator(UnlinkedCombinator serializedCombinator) {
-    if (serializedCombinator.shows.isNotEmpty) {
-      ShowElementCombinatorImpl combinator = new ShowElementCombinatorImpl();
-      // Note: we call toList() so that we don't retain a reference to the
-      // deserialized data structure.
-      combinator.shownNames = serializedCombinator.shows.toList();
-      combinator.offset = serializedCombinator.offset;
-      combinator.end = serializedCombinator.end;
-      return combinator;
-    } else {
-      HideElementCombinatorImpl combinator = new HideElementCombinatorImpl();
-      // Note: we call toList() so that we don't retain a reference to the
-      // deserialized data structure.
-      combinator.hiddenNames = serializedCombinator.hides.toList();
-      return combinator;
-    }
-  }
-
-  /**
    * Resynthesize a [ConstructorElement] and place it in the given [holder].
    * [classElement] is the element of the class for which this element is a
    * constructor.
@@ -2273,21 +2245,6 @@ class _UnitResynthesizer {
   }
 
   /**
-   * If the given [serializedInitializer] is not `null`, return the
-   * corresponding [FunctionElementImpl], otherwise return `null`.
-   */
-  FunctionElementImpl buildVariableInitializer(
-      VariableElementImpl variable, UnlinkedExecutable serializedInitializer) {
-    if (serializedInitializer == null) {
-      return null;
-    }
-    FunctionElementImpl initializerElement =
-        new FunctionElementImpl.forSerialized(serializedInitializer, variable);
-    initializerElement.synthetic = true;
-    return initializerElement;
-  }
-
-  /**
    * Return [_ReferenceInfo] with the given [index], lazily resolving it.
    */
   _ReferenceInfo getReferenceInfo(int index) {