Use correct call size for PredictableCodeSizeScopes.

src/arm/macro-assembler-arm.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 89 matching lines @@
   int size = 2 * kInstrSize;
   Instr mov_instr = cond | MOV | LeaveCC;
   intptr_t immediate = reinterpret_cast<intptr_t>(target);
   if (!Operand(immediate, rmode).is_single_instruction(this, mov_instr)) {
     size += kInstrSize;
   }
   return size;
 }
 
 
+int MacroAssembler::CallStubSize(
+    CodeStub* stub, TypeFeedbackId ast_id, Condition cond) {
+  return CallSize(
+      stub->GetCode(isolate()), RelocInfo::CODE_TARGET, ast_id, cond);
+}
+
+
 int MacroAssembler::CallSizeNotPredictableCodeSize(
     Address target, RelocInfo::Mode rmode, Condition cond) {
   int size = 2 * kInstrSize;
   Instr mov_instr = cond | MOV | LeaveCC;
   intptr_t immediate = reinterpret_cast<intptr_t>(target);
   if (!Operand(immediate, rmode).is_single_instruction(NULL, mov_instr)) {
     size += kInstrSize;
   }
   return size;
 }
@@ skipping 3971 matching lines @@
     sub(result, result, Operand(dividend));
   }
   if (ms.shift() > 0) mov(result, Operand(result, ASR, ms.shift()));
   add(result, result, Operand(dividend, LSR, 31));
 }
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_TARGET_ARCH_ARM