Get rid of distinction between below- and above-watermark in page allocation....

src/objects-debug.cc

Index: src/objects-debug.cc
===================================================================
--- src/objects-debug.cc	(revision 7216)
+++ src/objects-debug.cc	(working copy)
@@ -91,6 +91,9 @@
     case BYTE_ARRAY_TYPE:
       ByteArray::cast(this)->ByteArrayVerify();
       break;
+    case FREE_SPACE_TYPE:
+      FreeSpace::cast(this)->FreeSpaceVerify();
+      break;
     case EXTERNAL_PIXEL_ARRAY_TYPE:
       ExternalPixelArray::cast(this)->ExternalPixelArrayVerify();
       break;
@@ -192,6 +195,11 @@
 }
 
 
+void FreeSpace::FreeSpaceVerify() {
+  ASSERT(IsFreeSpace());
+}
+
+
 void ExternalPixelArray::ExternalPixelArrayVerify() {
   ASSERT(IsExternalPixelArray());
 }