Remove reinvented wheel for partial snapshot cache.

src/isolate.cc

Index: src/isolate.cc
diff --git a/src/isolate.cc b/src/isolate.cc
index 2c8367d7a1b26a480dd9be27dc0ff14fc2ac0fda..203ad1f6a06a576f7ccc561699c84dcf992b8d79 100644
--- a/src/isolate.cc
+++ b/src/isolate.cc
@@ -1757,11 +1757,6 @@ void Isolate::TearDown() {
     thread_data_table_->RemoveAllThreads(this);
   }
 
-  if (serialize_partial_snapshot_cache_ != NULL) {
-    delete[] serialize_partial_snapshot_cache_;
-    serialize_partial_snapshot_cache_ = NULL;
-  }
-
   delete this;
 
   // Restore the previous current isolate.
@@ -1825,26 +1820,6 @@ void Isolate::Deinit() {
 }
 
 
-void Isolate::PushToPartialSnapshotCache(Object* obj) {
-  int length = serialize_partial_snapshot_cache_length();
-  int capacity = serialize_partial_snapshot_cache_capacity();
-
-  if (length >= capacity) {
-    int new_capacity = static_cast<int>((capacity + 10) * 1.2);
-    Object** new_array = new Object*[new_capacity];
-    for (int i = 0; i < length; i++) {
-      new_array[i] = serialize_partial_snapshot_cache()[i];
-    }
-    if (capacity != 0) delete[] serialize_partial_snapshot_cache();
-    set_serialize_partial_snapshot_cache(new_array);
-    set_serialize_partial_snapshot_cache_capacity(new_capacity);
-  }
-
-  serialize_partial_snapshot_cache()[length] = obj;
-  set_serialize_partial_snapshot_cache_length(length + 1);
-}
-
-
 void Isolate::SetIsolateThreadLocals(Isolate* isolate,
                                      PerIsolateThreadData* data) {
   base::Thread::SetThreadLocal(isolate_key_, isolate);
@@ -2088,7 +2063,7 @@ bool Isolate::Init(Deserializer* des) {
 
   if (create_heap_objects) {
     // Terminate the cache array with the sentinel so we can iterate.
-    PushToPartialSnapshotCache(heap_.undefined_value());
+    partial_snapshot_cache_.Add(heap_.undefined_value());
   }
 
   InitializeThreadLocal();