Move DescriptorArray into the map

src/v8globals.h

Index: src/v8globals.h
diff --git a/src/v8globals.h b/src/v8globals.h
index 37c4c65a873b0e7910d2df36f8650cf8607ca178..648413fed2107b61b130264390b6f215c686bb8b 100644
--- a/src/v8globals.h
+++ b/src/v8globals.h
@@ -52,15 +52,6 @@ const intptr_t kPointerAlignmentMask = kPointerAlignment - 1;
 const intptr_t kDoubleAlignment = 8;
 const intptr_t kDoubleAlignmentMask = kDoubleAlignment - 1;
 
-// Desired alignment for maps.
-#if V8_HOST_ARCH_64_BIT
-const intptr_t kMapAlignmentBits = kObjectAlignmentBits;
-#else
-const intptr_t kMapAlignmentBits = kObjectAlignmentBits + 3;
-#endif
-const intptr_t kMapAlignment = (1 << kMapAlignmentBits);
-const intptr_t kMapAlignmentMask = kMapAlignment - 1;
-
 // Desired alignment for generated code is 32 bytes (to improve cache line
 // utilization).
 const int kCodeAlignmentBits = 5;
@@ -396,10 +387,6 @@ enum StateTag {
 #define POINTER_SIZE_ALIGN(value)                               \
   (((value) + kPointerAlignmentMask) & ~kPointerAlignmentMask)
 
-// MAP_POINTER_ALIGN returns the value aligned as a map pointer.
-#define MAP_POINTER_ALIGN(value)                                \
-  (((value) + kMapAlignmentMask) & ~kMapAlignmentMask)
-
 // CODE_POINTER_ALIGN returns the value aligned as a generated code segment.
 #define CODE_POINTER_ALIGN(value)                               \
   (((value) + kCodeAlignmentMask) & ~kCodeAlignmentMask)