Move sloppy block function hoisting logic from Parser to Scope.

src/parsing/parser.h

 // Copyright 2012 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.
 
 #ifndef V8_PARSING_PARSER_H_
 #define V8_PARSING_PARSER_H_
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 #include "src/parsing/parser-base.h"
@@ skipping 457 matching lines @@
   // a scope where the name has also been let bound or the var declaration is
   // hoisted over such a scope.
   void CheckConflictingVarDeclarations(Scope* scope, bool* ok);
 
   // Insert initializer statements for var-bindings shadowing parameter bindings
   // from a non-simple parameter list.
   void InsertShadowingVarBindingInitializers(Block* block);
 
   // Implement sloppy block-scoped functions, ES2015 Annex B 3.3
   void InsertSloppyBlockFunctionVarBindings(DeclarationScope* scope,
-                                            Scope* complex_params_scope,
                                             bool* ok);
 
-  static InitializationFlag DefaultInitializationFlag(VariableMode mode);
   VariableProxy* NewUnresolved(const AstRawString* name, int begin_pos,
                                int end_pos = kNoSourcePosition,
                                Variable::Kind kind = Variable::NORMAL);
   VariableProxy* NewUnresolved(const AstRawString* name);
   Variable* Declare(Declaration* declaration,
                     DeclarationDescriptor::Kind declaration_kind,
                     VariableMode mode, InitializationFlag init, bool* ok,
                     Scope* declaration_scope = nullptr);
   Declaration* DeclareVariable(const AstRawString* name, VariableMode mode,
                                int pos, bool* ok);
@@ skipping 563 matching lines @@
   static const int kLiteralTypeSlot = 0;
   static const int kElementsSlot = 1;
 
   DISALLOW_IMPLICIT_CONSTRUCTORS(CompileTimeValue);
 };
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_PARSING_PARSER_H_