[ast] Remove unused function Scope::ReportMessage.

src/ast/scopes.cc

 // 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.
 
 #include "src/ast/scopes.h"
 
 #include "src/accessors.h"
 #include "src/ast/scopeinfo.h"
 #include "src/bootstrapper.h"
 #include "src/messages.h"
@@ skipping 798 matching lines @@
     Handle<String> name = proxy->name();
     non_locals = StringSet::Add(non_locals, name);
   }
   for (int i = 0; i < inner_scopes_.length(); i++) {
     non_locals = inner_scopes_[i]->CollectNonLocals(non_locals);
   }
   return non_locals;
 }
 
 
-void Scope::ReportMessage(int start_position, int end_position,
-                          MessageTemplate::Template message,
-                          const AstRawString* arg) {
-  // Propagate the error to the topmost scope targeted by this scope analysis
-  // phase.
-  Scope* top = this;
-  while (!top->is_script_scope() && !top->outer_scope()->already_resolved()) {
-    top = top->outer_scope();
-  }
-
-  top->pending_error_handler_.ReportMessageAt(start_position, end_position,
-                                              message, arg, kReferenceError);
-}
-
-
 #ifdef DEBUG
 static const char* Header(ScopeType scope_type, FunctionKind function_kind,
                           bool is_declaration_scope) {
   switch (scope_type) {
     case EVAL_SCOPE: return "eval";
     // TODO(adamk): Should we print concise method scopes specially?
     case FUNCTION_SCOPE:
       return IsArrowFunction(function_kind) ? "arrow" : "function";
     case MODULE_SCOPE: return "module";
     case SCRIPT_SCOPE: return "global";
@@ skipping 685 matching lines @@
       function_ != NULL && function_->proxy()->var()->IsContextSlot();
   return num_heap_slots() - Context::MIN_CONTEXT_SLOTS - num_global_slots() -
          (is_function_var_in_context ? 1 : 0);
 }
 
 
 int Scope::ContextGlobalCount() const { return num_global_slots(); }
 
 }  // namespace internal
 }  // namespace v8