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

test/cctest/test-assembler-arm64.cc

 // Copyright 2013 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 173 matching lines @@
 
 
 #define START_AFTER_RESET()                                                    \
   __ SetStackPointer(csp);                                                     \
   __ PushCalleeSavedRegisters();
 
 #define START()                                                                \
   RESET();                                                                     \
   START_AFTER_RESET();
 
-#define RUN()                                                \
-  CpuFeatures::FlushICache(buf, masm.SizeOfGeneratedCode()); \
-  {                                                          \
-    void (*test_function)(void);                             \
-    memcpy(&test_function, &buf, sizeof(buf));               \
-    test_function();                                         \
+#define RUN()                                                       \
+  Assembler::FlushICache(isolate, buf, masm.SizeOfGeneratedCode()); \
+  {                                                                 \
+    void (*test_function)(void);                                    \
+    memcpy(&test_function, &buf, sizeof(buf));                      \
+    test_function();                                                \
   }
 
 #define END()                                                                  \
   core.Dump(&masm);                                                            \
   __ PopCalleeSavedRegisters();                                                \
   __ Ret();                                                                    \
   __ GetCode(NULL);
 
 #define TEARDOWN()                                                             \
   delete[] buf;
@@ skipping 11122 matching lines @@
   __ Mov(x0, 1);
 
   END();
 
   RUN();
 
   CHECK_EQUAL_64(0x1, x0);
 
   TEARDOWN();
 }