Fix build break.

runtime/vm/stub_code_arm64.cc

 // Copyright (c) 2014, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/globals.h"
 #if defined(TARGET_ARCH_ARM64)
 
 #include "vm/assembler.h"
 #include "vm/code_generator.h"
 #include "vm/compiler.h"
@@ skipping 768 matching lines @@
 //   LR : points to return address.
 //   R0 : code object of the Dart function to call.
 //   R1 : arguments descriptor array.
 //   R2 : arguments array.
 //   R3 : current thread.
 void StubCode::GenerateInvokeDartCodeStub(Assembler* assembler) {
   __ Comment("InvokeDartCodeStub");
 
   // Copy the C stack pointer (R31) into the stack pointer we'll actually use
   // to access the stack, and put the C stack pointer at the stack limit.
-  __ SetupDartSP(Isolate::GetSpecifiedStackSize());
+  __ SetupDartSP(OSThread::GetSpecifiedStackSize());
   __ EnterFrame(0);
 
   // Push code object to PC marker slot.
   __ ldr(TMP, Address(R3, Thread::invoke_dart_code_stub_offset()));
   __ Push(TMP);
 
   // Save the callee-saved registers.
   for (int i = kAbiFirstPreservedCpuReg; i <= kAbiLastPreservedCpuReg; i++) {
     const Register r = static_cast<Register>(i);
     // We use str instead of the Push macro because we will be pushing the PP
@@ skipping 1389 matching lines @@
   __ Bind(&miss);
   __ LoadIsolate(R2);
   __ ldr(CODE_REG, Address(R2, Isolate::ic_miss_code_offset()));
   __ ldr(R1, FieldAddress(CODE_REG, Code::entry_point_offset()));
   __ ret();
 }
 
 }  // namespace dart
 
 #endif  // defined TARGET_ARCH_ARM64