Make policy errors available to display in about:policy.

ui/base/resource/resource_bundle.cc

 // Copyright (c) 2011 The Chromium 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 "ui/base/resource/resource_bundle.h"
 
 #include "base/command_line.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/metrics/histogram.h"
@@ skipping 97 matching lines @@
 
 /* static */
 void ResourceBundle::CleanupSharedInstance() {
   if (g_shared_instance_) {
     delete g_shared_instance_;
     g_shared_instance_ = NULL;
   }
 }
 
 /* static */
+bool ResourceBundle::HasSharedInstance() {
+  return g_shared_instance_ != NULL;
+}
+
+/* static */
 ResourceBundle& ResourceBundle::GetSharedInstance() {
   // Must call InitSharedInstance before this function.
   CHECK(g_shared_instance_ != NULL);
   return *g_shared_instance_;
 }
 
 /* static */
 bool ResourceBundle::LocaleDataPakExists(const std::string& locale) {
   return !GetLocaleFilePath(locale).empty();
 }
@@ skipping 282 matching lines @@
 }
 
 RefCountedStaticMemory* ResourceBundle::LoadedDataPack::GetStaticMemory(
     int resource_id) const {
   if (!data_pack_.get())
     return NULL;
   return data_pack_->GetStaticMemory(resource_id);
 }
 
 }  // namespace ui