Decrease size of first page of property cell space.

BUG=
R=danno@chromium.org, mstarzinger@chromium.org

Review URL: https://codereview.chromium.org/17027006

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@15148 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

src/spaces.cc

@@ -1045,7 +1045,7 @@ intptr_t PagedSpace::SizeOfFirstPage() {
       size = 16 * kPointerSize * KB;
       break;
     case PROPERTY_CELL_SPACE:
-      size = 16 * kPointerSize * KB;
+      size = 8 * kPointerSize * KB;
       break;
     case CODE_SPACE:
       if (heap()->isolate()->code_range()->exists()) {

test/cctest/test-mark-compact.cc

@@ -557,7 +557,7 @@ TEST(BootUpMemoryUse) {
       }
     } else {                            // 32-bit.
       if (v8::internal::Snapshot::IsEnabled()) {
-        CHECK_LE(delta, 2942 * 1024);
+        CHECK_LE(delta, 2910 * 1024);
       } else {
         CHECK_LE(delta, 3400 * 1024);
       }