Cleaned up CpuFeature scope handling.

src/ia32/code-stubs-ia32.h

Index: src/ia32/code-stubs-ia32.h
diff --git a/src/ia32/code-stubs-ia32.h b/src/ia32/code-stubs-ia32.h
index af1c99994a8d1b2863a684f25aa4b2fd7cba070c..9d5c0beeaef428eb047aeaf42e87cf51c336e7c6 100644
--- a/src/ia32/code-stubs-ia32.h
+++ b/src/ia32/code-stubs-ia32.h
@@ -540,7 +540,7 @@ class RecordWriteStub: public PlatformCodeStub {
       if (!scratch0_.is(eax) && !scratch1_.is(eax)) masm->push(eax);
       if (!scratch0_.is(edx) && !scratch1_.is(edx)) masm->push(edx);
       if (mode == kSaveFPRegs) {
-        CpuFeatures::Scope scope(SSE2);
+        CpuFeatureScope scope(masm, SSE2);
         masm->sub(esp,
                   Immediate(kDoubleSize * (XMMRegister::kNumRegisters - 1)));
         // Save all XMM registers except XMM0.
@@ -554,7 +554,7 @@ class RecordWriteStub: public PlatformCodeStub {
     inline void RestoreCallerSaveRegisters(MacroAssembler*masm,
                                            SaveFPRegsMode mode) {
       if (mode == kSaveFPRegs) {
-        CpuFeatures::Scope scope(SSE2);
+        CpuFeatureScope scope(masm, SSE2);
         // Restore all XMM registers except XMM0.
         for (int i = XMMRegister::kNumRegisters - 1; i > 0; i--) {
           XMMRegister reg = XMMRegister::from_code(i);