Made Isolate a mandatory parameter for everything Handle-related.

src/ia32/macro-assembler-ia32.cc

 // 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 1951 matching lines @@
     if (emit_debug_code()) {
       mov(Operand(esi, 0), Immediate(0));
     }
   }
 }
 
 
 void MacroAssembler::CallApiFunctionAndReturn(Address function_address,
                                               int stack_space) {
   ExternalReference next_address =
-      ExternalReference::handle_scope_next_address();
+      ExternalReference::handle_scope_next_address(isolate());
   ExternalReference limit_address =
-      ExternalReference::handle_scope_limit_address();
+      ExternalReference::handle_scope_limit_address(isolate());
   ExternalReference level_address =
-      ExternalReference::handle_scope_level_address();
+      ExternalReference::handle_scope_level_address(isolate());
 
   // Allocate HandleScope in callee-save registers.
   mov(ebx, Operand::StaticVariable(next_address));
   mov(edi, Operand::StaticVariable(limit_address));
   add(Operand::StaticVariable(level_address), Immediate(1));
 
   if (FLAG_log_timer_events) {
     FrameScope frame(this, StackFrame::MANUAL);
     PushSafepointRegisters();
     PrepareCallCFunction(0, eax);
@@ skipping 1094 matching lines @@
   j(greater, &no_info_available);
   cmp(MemOperand(scratch_reg, -AllocationSiteInfo::kSize),
       Immediate(Handle<Map>(isolate()->heap()->allocation_site_info_map())));
   bind(&no_info_available);
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_IA32