Remove the dependency of Zone on Isolate

src/x64/regexp-macro-assembler-x64.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/v8.h"
 
 #if V8_TARGET_ARCH_X64
 
 #include "src/cpu-profiler.h"
 #include "src/log.h"
@@ skipping 75 matching lines @@
  *              Address start,
  *              Address end,
  *              int* capture_output_array,
  *              bool at_start,
  *              byte* stack_area_base,
  *              bool direct_call)
  */
 
 #define __ ACCESS_MASM((&masm_))
 
-RegExpMacroAssemblerX64::RegExpMacroAssemblerX64(
-    Mode mode,
-    int registers_to_save,
-    Zone* zone)
-    : NativeRegExpMacroAssembler(zone),
-      masm_(zone->isolate(), NULL, kRegExpCodeSize),
+RegExpMacroAssemblerX64::RegExpMacroAssemblerX64(Isolate* isolate, Zone* zone,
+                                                 Mode mode,
+                                                 int registers_to_save)
+    : NativeRegExpMacroAssembler(isolate, zone),
+      masm_(isolate, NULL, kRegExpCodeSize),
       no_root_array_scope_(&masm_),
       code_relative_fixup_positions_(4, zone),
       mode_(mode),
       num_registers_(registers_to_save),
       num_saved_registers_(registers_to_save),
       entry_label_(),
       start_label_(),
       success_label_(),
       backtrack_label_(),
       exit_label_() {
@@ skipping 1323 matching lines @@
   }
 }
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }}  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_X64