CodeStubs contain their corresponding Isolate* now. (part 1)

test/cctest/test-code-stubs-ia32.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 37 matching lines @@
   // Allocate an executable page of memory.
   size_t actual_size;
   byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
                                                    &actual_size,
                                                    true));
   CHECK(buffer);
   HandleScope handles(isolate);
   MacroAssembler assm(isolate, buffer, static_cast<int>(actual_size));
   int offset =
     source_reg.is(esp) ? 0 : (HeapNumber::kValueOffset - kSmiTagSize);
-  DoubleToIStub stub(source_reg, destination_reg, offset, true);
+  DoubleToIStub stub(isolate, source_reg, destination_reg, offset, true);
   byte* start = stub.GetCode(isolate)->instruction_start();
 
   __ push(ebx);
   __ push(ecx);
   __ push(edx);
   __ push(esi);
   __ push(edi);
 
   if (!source_reg.is(esp)) {
     __ lea(source_reg, MemOperand(esp, 6 * kPointerSize - offset));
@@ skipping 71 matching lines @@
 
   for (size_t s = 0; s < sizeof(source_registers) / sizeof(Register); s++) {
     for (size_t d = 0; d < sizeof(dest_registers) / sizeof(Register); d++) {
       RunAllTruncationTests(
           MakeConvertDToIFuncTrampoline(isolate,
                                         source_registers[s],
                                         dest_registers[d]));
     }
   }
 }