Split NumberDictionary into a randomly seeded and an unseeded

src/profile-generator.cc

Index: src/profile-generator.cc
===================================================================
--- src/profile-generator.cc	(revision 10400)
+++ src/profile-generator.cc	(working copy)
@@ -1231,10 +1231,10 @@
       entries_sorted_(false) {
   STATIC_ASSERT(
       sizeof(HeapGraphEdge) ==
-      SnapshotSizeConstants<sizeof(void*)>::kExpectedHeapGraphEdgeSize);  // NOLINT
+      SnapshotSizeConstants<kPointerSize>::kExpectedHeapGraphEdgeSize);
   STATIC_ASSERT(
       sizeof(HeapEntry) ==
-      SnapshotSizeConstants<sizeof(void*)>::kExpectedHeapEntrySize);  // NOLINT
+      SnapshotSizeConstants<kPointerSize>::kExpectedHeapEntrySize);
   for (int i = 0; i < VisitorSynchronization::kNumberOfSyncTags; ++i) {
     gc_subroot_entries_[i] = NULL;
   }
@@ -2289,7 +2289,7 @@
       }
     }
   } else if (js_obj->HasDictionaryElements()) {
-    NumberDictionary* dictionary = js_obj->element_dictionary();
+    SeededNumberDictionary* dictionary = js_obj->element_dictionary();
     int length = dictionary->Capacity();
     for (int i = 0; i < length; ++i) {
       Object* k = dictionary->KeyAt(i);