Rename write buffers to store buffers.

src/serialize.cc

Index: src/serialize.cc
===================================================================
--- src/serialize.cc	(revision 6201)
+++ src/serialize.cc	(working copy)
@@ -498,10 +498,10 @@
       UNCLASSIFIED,
       39,
       "power_double_int_function");
-  Add(ExternalReference::write_buffer_top().address(),
+  Add(ExternalReference::store_buffer_top().address(),
       UNCLASSIFIED,
       40,
-      "write_buffer_top");
+      "store_buffer_top");
 }
 
 
@@ -652,8 +652,8 @@
 
 void Deserializer::Deserialize() {
   // Don't GC while deserializing - just expand the heap.
-  Address* write_buffer_top =
-      reinterpret_cast<Address*>(Heap::write_buffer_top());
+  Address* store_buffer_top =
+      reinterpret_cast<Address*>(Heap::store_buffer_top());
   AlwaysAllocateScope always_allocate;
   // Don't use the free lists while deserializing.
   LinearAllocationScope allocate_linearly;
@@ -670,7 +670,7 @@
   Heap::IterateWeakRoots(this, VISIT_ALL);
 
   Heap::set_global_contexts_list(Heap::undefined_value());
-  Heap::public_set_write_buffer_top(write_buffer_top);
+  Heap::public_set_store_buffer_top(store_buffer_top);
 }