Address comments of committed change https://codereview.chromium.org/24397002/

runtime/vm/object.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/object.h"
 
 #include "include/dart_api.h"
 #include "platform/assert.h"
 #include "vm/assembler.h"
 #include "vm/cpu.h"
@@ skipping 4839 matching lines @@
   set_implicit_closure_function(closure_function);
   ASSERT(closure_function.IsImplicitClosureFunction());
   return closure_function.raw();
 }
 
 
 RawString* Function::UserVisibleFormalParameters() const {
   const GrowableObjectArray& pieces =
       GrowableObjectArray::Handle(GrowableObjectArray::New());
   const TypeArguments& instantiator = TypeArguments::Handle();
-  BuildSinatureParameters(false, kUserVisibleName, instantiator, pieces);
+  BuildSignatureParameters(false, kUserVisibleName, instantiator, pieces);
   const Array& strings = Array::Handle(Array::MakeArray(pieces));
   return String::ConcatAll(strings);
 }
 
 
-void Function::BuildSinatureParameters(
+void Function::BuildSignatureParameters(
     bool instantiate,
     NameVisibility name_visibility,
     const AbstractTypeArguments& instantiator,
     const GrowableObjectArray& pieces) const {
   AbstractType& param_type = AbstractType::Handle();
   const intptr_t num_params = NumParameters();
   const intptr_t num_fixed_params = num_fixed_parameters();
   const intptr_t num_opt_pos_params = NumOptionalPositionalParameters();
   const intptr_t num_opt_named_params = NumOptionalNamedParameters();
   const intptr_t num_opt_params = num_opt_pos_params + num_opt_named_params;
@@ skipping 85 matching lines @@
           pieces.Add(name);
         }
         if (i < num_type_parameters - 1) {
           pieces.Add(Symbols::CommaSpace());
         }
       }
       pieces.Add(Symbols::RAngleBracket());
     }
   }
   pieces.Add(Symbols::LParen());
-  BuildSinatureParameters(instantiate,
-                         name_visibility,
-                         instantiator,
-                         pieces);
+  BuildSignatureParameters(instantiate,
+                           name_visibility,
+                           instantiator,
+                           pieces);
   pieces.Add(Symbols::RParenArrow());
   AbstractType& res_type = AbstractType::Handle(result_type());
   if (instantiate && !res_type.IsInstantiated()) {
     res_type = res_type.InstantiateFrom(instantiator, NULL);
   }
   name = res_type.BuildName(name_visibility);
   pieces.Add(name);
   const Array& strings = Array::Handle(Array::MakeArray(pieces));
   return Symbols::New(String::Handle(String::ConcatAll(strings)));
 }
@@ skipping 10167 matching lines @@
   return "_MirrorReference";
 }
 
 
 void MirrorReference::PrintToJSONStream(JSONStream* stream, bool ref) const {
   JSONObject jsobj(stream);
 }
 
 
 }  // namespace dart