Move platform abstraction to base library

src/store-buffer.h

 // Copyright 2011 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef V8_STORE_BUFFER_H_
 #define V8_STORE_BUFFER_H_
 
 #include "src/allocation.h"
-#include "src/checks.h"
+#include "src/base/logging.h"
+#include "src/base/platform/platform.h"
 #include "src/globals.h"
-#include "src/platform.h"
 
 namespace v8 {
 namespace internal {
 
 class Page;
 class PagedSpace;
 class StoreBuffer;
 
 typedef void (*ObjectSlotCallback)(HeapObject** from, HeapObject* to);
 
@@ skipping 90 matching lines @@
   // The store buffer is divided up into a new buffer that is constantly being
   // filled by mutator activity and an old buffer that is filled with the data
   // from the new buffer after compression.
   Address* start_;
   Address* limit_;
 
   Address* old_start_;
   Address* old_limit_;
   Address* old_top_;
   Address* old_reserved_limit_;
-  VirtualMemory* old_virtual_memory_;
+  base::VirtualMemory* old_virtual_memory_;
 
   bool old_buffer_is_sorted_;
   bool old_buffer_is_filtered_;
   bool during_gc_;
   // The garbage collector iterates over many pointers to new space that are not
   // handled by the store buffer.  This flag indicates whether the pointers
   // found by the callbacks should be added to the store buffer or not.
   bool store_buffer_rebuilding_enabled_;
   StoreBufferCallback callback_;
   bool may_move_store_buffer_entries_;
 
-  VirtualMemory* virtual_memory_;
+  base::VirtualMemory* virtual_memory_;
 
   // Two hash sets used for filtering.
   // If address is in the hash set then it is guaranteed to be in the
   // old part of the store buffer.
   uintptr_t* hash_set_1_;
   uintptr_t* hash_set_2_;
   bool hash_sets_are_empty_;
 
   void ClearFilteringHashSets();
 
@@ skipping 84 matching lines @@
   }
 
  private:
   StoreBuffer* store_buffer_;
   bool stored_state_;
 };
 
 } }  // namespace v8::internal
 
 #endif  // V8_STORE_BUFFER_H_