Profiler experiments: Honor postponing of interrupts in HandleStackGuardInterrupt

src/execution.h

 // Copyright 2011 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 208 matching lines @@
   }
   uintptr_t real_jslimit() {
     return thread_local_.real_jslimit_;
   }
   Address address_of_jslimit() {
     return reinterpret_cast<Address>(&thread_local_.jslimit_);
   }
   Address address_of_real_jslimit() {
     return reinterpret_cast<Address>(&thread_local_.real_jslimit_);
   }
+  bool ShouldPostponeInterrupts();
 
  private:
   StackGuard();
 
   // You should hold the ExecutionAccess lock when calling this method.
   bool has_pending_interrupts(const ExecutionAccess& lock) {
     // Sanity check: We shouldn't be asking about pending interrupts
     // unless we're not postponing them anymore.
     ASSERT(!should_postpone_interrupts(lock));
     return thread_local_.interrupt_flags_ != 0;
@@ skipping 61 matching lines @@
   friend class StackLimitCheck;
   friend class PostponeInterruptsScope;
 
   DISALLOW_COPY_AND_ASSIGN(StackGuard);
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_EXECUTION_H_