Remove VariableScope, Scope.lexicalLookup and Scope.inStaticContext

tests/co19/co19-dart2js.status

Index: tests/co19/co19-dart2js.status
diff --git a/tests/co19/co19-dart2js.status b/tests/co19/co19-dart2js.status
index 3c4eb04dbc60ef059843536b3b97d027f53d344d..2c1ea5febdef197efabca82cb9883b20ea9f6ce5 100644
--- a/tests/co19/co19-dart2js.status
+++ b/tests/co19/co19-dart2js.status
@@ -269,6 +269,8 @@ Language/06_Functions/2_Formal_Parameters/2_Optional_Formals_A01_t11: Fail # TOD
 Language/06_Functions/2_Formal_Parameters/2_Optional_Formals_A03_t03: Fail # TODO(ahe): Enforce optional parameter semantics.
 Language/06_Functions/2_Formal_Parameters/2_Optional_Formals_A03_t04: Fail # TODO(ahe): Enforce optional parameter semantics.
 
+Language/09_Generics/09_Generics_A05_t01: Fail # dart2js fails to reject type variable within static member
+
 Language/10_Expressions/14_Function_Invocation/2_Binding_Actuals_to_Formals_A06_t01: Fail # Compile-time error: Unimplemented non-matching static call
 Language/10_Expressions/14_Function_Invocation/2_Binding_Actuals_to_Formals_A06_t04: Fail # Compile-time error: Unimplemented non-matching static call
 Language/10_Expressions/14_Function_Invocation/2_Binding_Actuals_to_Formals_A06_t05: Fail # Compile-time error: Unimplemented non-matching static call
@@ -428,6 +430,8 @@ Language/13_Libraries_and_Scripts/2_Imports_A06_t01: Fail, OK # co19 issue 250
 
 Language/13_Libraries_and_Scripts/2_Imports_A01_t39: Fail # co19 issue 253: Show combinators are intersections.
 
+Language/03_Overview/1_Scoping_A02_t05: Fail # co19 issue 261
+
 [ $compiler == dart2js && $runtime == d8 ]
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A04_t01: Fail, Pass # issue 3333
 LibTest/core/RegExp/Pattern_semantics/firstMatch_CharacterClassEscape_A03_t01: Fail, Pass # issue 3333