Add some ::'s to disambiguate calls for the win32 build.

runtime/vm/dart_api_impl.cc

 // Copyright (c) 2011, 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 "include/dart_api.h"
 
 #include "vm/bigint_operations.h"
 #include "vm/class_finalizer.h"
 #include "vm/compiler.h"
 #include "vm/dart.h"
@@ skipping 1386 matching lines @@
   if (!instance.IsNull()) {
     String& name = String::Handle(String::New("[]"));
     const Function& function = Function::Handle(
         Resolver::ResolveDynamic(instance, name, 2, 0));
     if (!function.IsNull()) {
       Object& element = Object::Handle();
       Integer& indexobj = Integer::Handle();
       Dart_Handle result;
       indexobj = Integer::New(index);
       element = GetListAt(isolate, instance, indexobj, function, &result);
-      if (Dart_IsError(result)) {
+      if (::Dart_IsError(result)) {
         return result;  // Error condition.
       }
       return Api::NewLocalHandle(element);
     }
   }
   return Api::Error("Object does not implement the 'List' interface");
 }
 
 
 static void SetListAt(Isolate* isolate,
@@ skipping 103 matching lines @@
     String& name = String::Handle(String::New("[]"));
     const Function& function = Function::Handle(
         Resolver::ResolveDynamic(instance, name, 2, 0));
     if (!function.IsNull()) {
       Object& element = Object::Handle();
       Integer& intobj = Integer::Handle();
       Dart_Handle result;
       for (int i = 0; i < length; i++) {
         intobj = Integer::New(offset + i);
         element = GetListAt(isolate, instance, intobj, function, &result);
-        if (Dart_IsError(result)) {
+        if (::Dart_IsError(result)) {
           return result;  // Error condition.
         }
         if (!element.IsInteger()) {
           return Api::Error("%s expects the argument 'list' to be "
                             "a List of int", CURRENT_FUNC);
         }
         intobj ^= element.raw();
         ASSERT(intobj.AsInt64Value() <= 0xff);
         // TODO(hpayer): value should always be smaller then 0xff. Add error
         // handling.
@@ skipping 37 matching lines @@
     const Function& function = Function::Handle(
         Resolver::ResolveDynamic(instance, name, 3, 0));
     if (!function.IsNull()) {
       Integer& indexobj = Integer::Handle();
       Integer& valueobj = Integer::Handle();
       Dart_Handle result;
       for (int i = 0; i < length; i++) {
         indexobj = Integer::New(offset + i);
         valueobj = Integer::New(native_array[i]);
         SetListAt(isolate, instance, indexobj, valueobj, function, &result);
-        if (Dart_IsError(result)) {
+        if (::Dart_IsError(result)) {
           return result;  // Error condition.
         }
       }
       return Api::Success();
     }
   }
   return Api::Error("Object does not implement the 'List' interface");
 }
 
 
@@ skipping 772 matching lines @@
     }
     delete debug_region;
   } else {
     *buffer = NULL;
     *buffer_size = 0;
   }
 }
 
 
 }  // namespace dart