Uncrashy TaskManagerBrowserTest.PopulateWebCacheFields

chrome/browser/task_manager.cc

 // Copyright (c) 2010 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 "chrome/browser/task_manager.h"
 
 #include "app/l10n_util.h"
 #include "app/resource_bundle.h"
 #include "base/compiler_specific.h"
 #include "base/i18n/number_formatting.h"
@@ skipping 40 matching lines @@
 template <class T>
 int ValueCompare(T value1, T value2) {
   if (value1 < value2)
     return -1;
   if (value1 == value2)
     return 0;
   return 1;
 }
 
 std::wstring FormatStatsSize(const WebKit::WebCache::ResourceTypeStat& stat) {
+  // TODO(phajdan.jr): Remove this when we fix http://crbug.com/42301 properly.
+  if (static_cast<int64>(stat.size) < 0 ||
+      static_cast<int64>(stat.liveSize) < 0) {
+    return l10n_util::GetString(IDS_TASK_MANAGER_NA_CELL_TEXT);
+  }
+
   return l10n_util::GetStringF(IDS_TASK_MANAGER_CACHE_SIZE_CELL_TEXT,
       FormatBytes(stat.size, DATA_UNITS_KIBIBYTE, false),
       FormatBytes(stat.liveSize, DATA_UNITS_KIBIBYTE, false));
 }
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 // TaskManagerModel class
 ////////////////////////////////////////////////////////////////////////////////
@@ skipping 904 matching lines @@
   MetricsMap::const_iterator iter = metrics_map_.find(handle);
   if (iter == metrics_map_.end())
     return false;
 
   if (!iter->second->GetMemoryBytes(&usage->first, &usage->second))
     return false;
 
   memory_usage_map_.insert(std::make_pair(handle, *usage));
   return true;
 }