Add popcnt support for pnacl

components/nacl/renderer/platform_info.cc

Index: components/nacl/renderer/platform_info.cc
diff --git a/components/nacl/renderer/platform_info.cc b/components/nacl/renderer/platform_info.cc
index da3280923977ae80af283cdfea4342dd79525a4a..d4eba29c92f072eeefece4a547c0fb039dbdea6e 100644
--- a/components/nacl/renderer/platform_info.cc
+++ b/components/nacl/renderer/platform_info.cc
@@ -75,7 +75,9 @@ std::string GetCpuFeatures() {
   // TODO: SSE 3
   else if (cpu.has_sse2()) features.push_back("+sse2");
 
-  // TODO: AES, POPCNT, LZCNT, ...
+  if (cpu.has_popcnt()) features.push_back("+popcnt");
+
+  // TODO: AES, LZCNT, ...
   return base::JoinString(features, ",");
 }