Remove outdated ban on lazy compilation due to scope chain.

src/scopes.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_SCOPES_H_
 #define V8_SCOPES_H_
 
 #include "src/ast.h"
 #include "src/pending-compilation-error-handler.h"
 #include "src/zone.h"
@@ skipping 464 matching lines @@
 
   // Determine if we can use lazy compilation for this scope.
   bool AllowsLazyCompilation() const;
 
   // Determine if we can use lazy compilation for this scope without a context.
   bool AllowsLazyCompilationWithoutContext() const;
 
   // True if the outer context of this scope is always the native context.
   bool HasTrivialOuterContext() const;
 
-  // True if the outer context allows lazy compilation of this scope.
-  bool HasLazyCompilableOuterContext() const;
-
   // The number of contexts between this and scope; zero if this == scope.
   int ContextChainLength(Scope* scope);
 
   // Find the script scope.
   // Used in modules implemenetation to find hosting scope.
   // TODO(rossberg): is this needed?
   Scope* ScriptScope();
 
   // Find the first function, global, or eval scope.  This is the scope
   // where var declarations will be hoisted to in the implementation.
@@ skipping 270 matching lines @@
   PendingCompilationErrorHandler pending_error_handler_;
 
   // For tracking which classes are declared consecutively. Needed for strong
   // mode.
   int class_declaration_group_start_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_SCOPES_H_