Issue #2503 - Part 1: add CPU IS support flags to Navigator interface

dom/base/Navigator.cpp

@@ -678,6 +678,18 @@ Navigator::CpuHasSSE2()
   return mozilla::supports_sse2();
 }
 
+bool
+Navigator::CpuHasAVX()
+{
+  return mozilla::supports_avx();
+}
+
+bool
+Navigator::CpuHasAVX2()
+{
+  return mozilla::supports_avx2();
+}
+
 void
 Navigator::RefreshMIMEArray()
 {

dom/base/Navigator.h

@@ -173,6 +173,8 @@ public:
   bool JavaEnabled(ErrorResult& aRv);
   uint64_t HardwareConcurrency();
   bool CpuHasSSE2();
+  bool CpuHasAVX();
+  bool CpuHasAVX2();
   bool TaintEnabled()
   {
     return false;

dom/webidl/Navigator.webidl

@@ -211,6 +211,10 @@ partial interface Navigator {
    */
   [ChromeOnly]
   readonly attribute boolean cpuHasSSE2;
+  [ChromeOnly]
+  readonly attribute boolean cpuHasAVX;
+  [ChromeOnly]
+  readonly attribute boolean cpuHasAVX2;
 };
 
 // nsIDOMNavigatorDesktopNotification