Move kMaxRegularHeapObjectSize into globals

src/ppc/code-stubs-ppc.cc

Index: src/ppc/code-stubs-ppc.cc
diff --git a/src/ppc/code-stubs-ppc.cc b/src/ppc/code-stubs-ppc.cc
index 6dd897b0314b6fae0d8a458c4b2b8f4b4afe1a13..f02f7303eb94dddb5f91de7408a0cfbb42226242 100644
--- a/src/ppc/code-stubs-ppc.cc
+++ b/src/ppc/code-stubs-ppc.cc
@@ -4581,7 +4581,7 @@ void FastNewRestParameterStub::Generate(MacroAssembler* masm) {
     // Fall back to %AllocateInNewSpace (if not too big).
     Label too_big_for_new_space;
     __ bind(&allocate);
-    __ Cmpi(r10, Operand(Page::kMaxRegularHeapObjectSize), r0);
+    __ Cmpi(r10, Operand(kMaxRegularHeapObjectSize), r0);
     __ bgt(&too_big_for_new_space);
     {
       FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);
@@ -4972,7 +4972,7 @@ void FastNewStrictArgumentsStub::Generate(MacroAssembler* masm) {
   // Fall back to %AllocateInNewSpace (if not too big).
   Label too_big_for_new_space;
   __ bind(&allocate);
-  __ Cmpi(r10, Operand(Page::kMaxRegularHeapObjectSize), r0);
+  __ Cmpi(r10, Operand(kMaxRegularHeapObjectSize), r0);
   __ bgt(&too_big_for_new_space);
   {
     FrameAndConstantPoolScope scope(masm, StackFrame::INTERNAL);