Remove unused fields in analyzer.

pkg/analyzer/test/generated/all_the_rest.dart

Index: pkg/analyzer/test/generated/all_the_rest.dart
diff --git a/pkg/analyzer/test/generated/all_the_rest.dart b/pkg/analyzer/test/generated/all_the_rest.dart
index 89458468a1c452c0ddbe9db6ad3f4785d2edda85..f7a966801c7d8885ba6a2b2526be5048d1f10f74 100644
--- a/pkg/analyzer/test/generated/all_the_rest.dart
+++ b/pkg/analyzer/test/generated/all_the_rest.dart
@@ -10151,10 +10151,7 @@ class HtmlUnitBuilderTest extends EngineTestCase {
     changeSet.addedSource(source);
     _context.applyChanges(changeSet);
     HtmlUnitBuilder builder = new HtmlUnitBuilder(_context);
-    return builder.buildHtmlElement(
-        source,
-        _context.getModificationStamp(source),
-        _context.parseHtmlUnit(source));
+    return builder.buildHtmlElement(source, _context.parseHtmlUnit(source));
   }
   HtmlUnitBuilderTest_ExpectedLibrary
       _l([List<HtmlUnitBuilderTest_ExpectedVariable> expectedVariables = HtmlUnitBuilderTest_ExpectedVariable.EMPTY_LIST]) =>
@@ -10290,10 +10287,7 @@ class HtmlWarningCodeTest extends EngineTestCase {
     changeSet.addedSource(source);
     _context.applyChanges(changeSet);
     HtmlUnitBuilder builder = new HtmlUnitBuilder(_context);
-    builder.buildHtmlElement(
-        source,
-        _context.getModificationStamp(source),
-        _context.parseHtmlUnit(source));
+    builder.buildHtmlElement(source, _context.parseHtmlUnit(source));
     GatheringErrorListener errorListener = new GatheringErrorListener();
     errorListener.addAll2(builder.errorListener);
     errorListener.assertErrorsWithCodes(expectedErrorCodes);