Move kMaxRegularHeapObjectSize into globals

src/ppc/macro-assembler-ppc.cc

Index: src/ppc/macro-assembler-ppc.cc
diff --git a/src/ppc/macro-assembler-ppc.cc b/src/ppc/macro-assembler-ppc.cc
index 7408cf3903fd154917129c7e97876a87d61f6c77..9b5f80ebe980a6b7c106750f5b885c55761b43a4 100644
--- a/src/ppc/macro-assembler-ppc.cc
+++ b/src/ppc/macro-assembler-ppc.cc
@@ -1812,7 +1812,7 @@ void MacroAssembler::LoadFromNumberDictionary(Label* miss, Register elements,
 void MacroAssembler::Allocate(int object_size, Register result,
                               Register scratch1, Register scratch2,
                               Label* gc_required, AllocationFlags flags) {
-  DCHECK(object_size <= Page::kMaxRegularHeapObjectSize);
+  DCHECK(object_size <= kMaxRegularHeapObjectSize);
   DCHECK((flags & ALLOCATION_FOLDED) == 0);
   if (!FLAG_inline_new) {
     if (emit_debug_code()) {
@@ -2068,7 +2068,7 @@ void MacroAssembler::FastAllocate(Register object_size, Register result,
 void MacroAssembler::FastAllocate(int object_size, Register result,
                                   Register scratch1, Register scratch2,
                                   AllocationFlags flags) {
-  DCHECK(object_size <= Page::kMaxRegularHeapObjectSize);
+  DCHECK(object_size <= kMaxRegularHeapObjectSize);
   DCHECK(!AreAliased(result, scratch1, scratch2, ip));
 
   // Make object size into bytes.