Bug 838504 - Turn on SSSE3 opt on Skia for Windows. r=gw280

configure.in

@@ -2177,6 +2177,11 @@ ia64*-hpux*)
         dnl Probably also a compiler bug, but what can you do?
         PROFILE_USE_LDFLAGS="-LTCG:PGUPDATE"
         LDFLAGS="$LDFLAGS -DYNAMICBASE"
+        if test "$_MSC_VER" -ge 1500; then
+            dnl VS2008 or later supports SSSE3
+            HAVE_TOOLCHAIN_SUPPORT_MSSSE3=1
+            AC_SUBST(HAVE_TOOLCHAIN_SUPPORT_MSSSE3)
+        fi
     fi
     AC_DEFINE(HAVE_SNPRINTF)
     AC_DEFINE(_WINDOWS)

gfx/skia/Makefile.in

@@ -377,9 +377,6 @@ CPPSRCS += \
 	SkFontHost_sandbox_none.cpp \
 	SkTime_win.cpp \
 	$(NULL)
-ifdef _MSC_VER
-HAVE_COMPILER_FLAG_MSSSE3=1
-endif
 endif
 
 ifneq (,$(INTEL_ARCHITECTURE))