Remove the dependency of Zone on Isolate

src/mips/regexp-macro-assembler-mips.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_MIPS
 
 #include "src/code-stubs.h"
 #include "src/log.h"
@@ skipping 77 matching lines @@
  * (in regexp-macro-assembler.cc) via the CALL_GENERATED_REGEXP_CODE macro
  * in mips/simulator-mips.h.
  * When calling as a non-direct call (i.e., from C++ code), the return address
  * area is overwritten with the ra register by the RegExp code. When doing a
  * direct call from generated code, the return address is placed there by
  * the calling code, as in a normal exit frame.
  */
 
 #define __ ACCESS_MASM(masm_)
 
-RegExpMacroAssemblerMIPS::RegExpMacroAssemblerMIPS(
-    Mode mode,
-    int registers_to_save,
-    Zone* zone)
-    : NativeRegExpMacroAssembler(zone),
-      masm_(new MacroAssembler(zone->isolate(), NULL, kRegExpCodeSize)),
+RegExpMacroAssemblerMIPS::RegExpMacroAssemblerMIPS(Isolate* isolate, Zone* zone,
+                                                   Mode mode,
+                                                   int registers_to_save)
+    : NativeRegExpMacroAssembler(isolate, zone),
+      masm_(new MacroAssembler(isolate, NULL, kRegExpCodeSize)),
       mode_(mode),
       num_registers_(registers_to_save),
       num_saved_registers_(registers_to_save),
       entry_label_(),
       start_label_(),
       success_label_(),
       backtrack_label_(),
       exit_label_(),
       internal_failure_label_() {
   DCHECK_EQ(0, registers_to_save % 2);
@@ skipping 1203 matching lines @@
 }
 
 
 #undef __
 
 #endif  // V8_INTERPRETED_REGEXP
 
 }}  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_MIPS