Make FlushICache part of Assembler(Base) and take Isolate as parameter.

src/ia32/macro-assembler-ia32.cc

Index: src/ia32/macro-assembler-ia32.cc
diff --git a/src/ia32/macro-assembler-ia32.cc b/src/ia32/macro-assembler-ia32.cc
index 474bb7773236aa1ff1690c17e30a0780271153ae..76f763d7e238b24ec9f9a3ae5dbc527e7c03ab9d 100644
--- a/src/ia32/macro-assembler-ia32.cc
+++ b/src/ia32/macro-assembler-ia32.cc
@@ -2845,7 +2845,7 @@ CodePatcher::CodePatcher(byte* address, int size)
 
 CodePatcher::~CodePatcher() {
   // Indicate that code has changed.
-  CpuFeatures::FlushICache(address_, size_);
+  Assembler::FlushICacheWithoutIsolate(address_, size_);
 
   // Check that the code was patched as expected.
   DCHECK(masm_.pc_ == address_ + size_);