Refactor class declaration logic to the parser and runtime

src/parsing/pattern-rewriter.cc

 // Copyright 2015 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/ast/ast.h"
 #include "src/messages.h"
 #include "src/parsing/parameter-initializer-rewriter.h"
 #include "src/parsing/parser.h"
 
 namespace v8 {
@@ skipping 726 matching lines @@
     UNREACHABLE();                                                 \
   }
 
 NOT_A_PATTERN(BinaryOperation)
 NOT_A_PATTERN(Block)
 NOT_A_PATTERN(BreakStatement)
 NOT_A_PATTERN(Call)
 NOT_A_PATTERN(CallNew)
 NOT_A_PATTERN(CallRuntime)
 NOT_A_PATTERN(CaseClause)
-NOT_A_PATTERN(ClassLiteral)
 NOT_A_PATTERN(CompareOperation)
 NOT_A_PATTERN(Conditional)
 NOT_A_PATTERN(ContinueStatement)
 NOT_A_PATTERN(CountOperation)
 NOT_A_PATTERN(DebuggerStatement)
 NOT_A_PATTERN(DoExpression)
 NOT_A_PATTERN(DoWhileStatement)
 NOT_A_PATTERN(EmptyStatement)
 NOT_A_PATTERN(EmptyParentheses)
 NOT_A_PATTERN(ExpressionStatement)
@@ skipping 19 matching lines @@
 NOT_A_PATTERN(TryFinallyStatement)
 NOT_A_PATTERN(UnaryOperation)
 NOT_A_PATTERN(VariableDeclaration)
 NOT_A_PATTERN(WhileStatement)
 NOT_A_PATTERN(WithStatement)
 NOT_A_PATTERN(Yield)
 
 #undef NOT_A_PATTERN
 }  // namespace internal
 }  // namespace v8