Added a Isolate* parameter to Serializer::enabled().

src/ia32/lithium-codegen-ia32.h

 // Copyright 2012 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 441 matching lines @@
       stack_depth_--;
     }
     void push(X87Register reg) {
       ASSERT(is_mutable_);
       ASSERT(stack_depth_ < X87Register::kNumAllocatableRegisters);
       stack_[stack_depth_] = reg;
       stack_depth_++;
     }
 
     MacroAssembler* masm() const { return masm_; }
+    Isolate* isolate() const { return masm_->isolate(); }
 
    private:
     int ArrayIndex(X87Register reg);
     int st2idx(int pos);
 
     X87Register stack_[X87Register::kNumAllocatableRegisters];
     int stack_depth_;
     bool is_mutable_;
     MacroAssembler* masm_;
   };
@@ skipping 66 matching lines @@
   Label exit_;
   Label* external_exit_;
   Label done_;
   int instruction_index_;
   LCodeGen::X87Stack x87_stack_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_IA32_LITHIUM_CODEGEN_IA32_H_