Only pass isolate parameter to C helper functions that need it.

src/deoptimizer.cc

 // Copyright 2010 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 181 matching lines @@
 #ifdef DEBUG
   node = Isolate::Current()->deoptimizer_data()->deoptimizing_code_list_;
   while (node != NULL) {
     ASSERT(node != reinterpret_cast<DeoptimizingCodeListNode*>(data));
     node = node->next();
   }
 #endif
 }
 
 
-void Deoptimizer::ComputeOutputFrames(Deoptimizer* deoptimizer,
-                                      Isolate* isolate) {
+void Deoptimizer::ComputeOutputFrames(Deoptimizer* deoptimizer) {
   deoptimizer->DoComputeOutputFrames();
 }
 
 
 Deoptimizer::Deoptimizer(Isolate* isolate,
                          JSFunction* function,
                          BailoutType type,
                          unsigned bailout_id,
                          Address from,
                          int fp_to_sp_delta)
@@ skipping 975 matching lines @@
 }
 
 
 DeoptimizingCodeListNode::~DeoptimizingCodeListNode() {
   GlobalHandles* global_handles = Isolate::Current()->global_handles();
   global_handles->Destroy(reinterpret_cast<Object**>(code_.location()));
 }
 
 
 } }  // namespace v8::internal