Use a C++11 feature in a single file, to discover if this works everywhere.

content/browser/gpu/gpu_data_manager_impl_private.cc

Index: content/browser/gpu/gpu_data_manager_impl_private.cc
diff --git a/content/browser/gpu/gpu_data_manager_impl_private.cc b/content/browser/gpu/gpu_data_manager_impl_private.cc
index 359cf9652cbddbd5bee6444d8b2196baced21488..95e0c47963c8396a7ac060dec5c376480c950f75 100644
--- a/content/browser/gpu/gpu_data_manager_impl_private.cc
+++ b/content/browser/gpu/gpu_data_manager_impl_private.cc
@@ -138,9 +138,9 @@ void UpdateStats(const gpu::GPUInfo& gpu_info,
   std::vector<uint32> flag_disabled_entries;
   disabled = true;
   blacklist->GetDecisionEntries(&flag_disabled_entries, disabled);
-  for (size_t i = 0; i < flag_disabled_entries.size(); ++i) {
+  for (uint32 disabled_entry : flag_disabled_entries) {
     UMA_HISTOGRAM_ENUMERATION("GPU.BlacklistTestResultsPerDisabledEntry",
-        flag_disabled_entries[i], max_entry_id + 1);
+        disabled_entry, max_entry_id + 1);
   }
 
   const gpu::GpuFeatureType kGpuFeatures[] = {