Move platform abstraction to base library

src/store-buffer.cc

 // 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.
 
 #include "src/store-buffer.h"
 
 #include <algorithm>
 
 #include "src/v8.h"
 
@@ skipping 19 matching lines @@
       callback_(NULL),
       may_move_store_buffer_entries_(true),
       virtual_memory_(NULL),
       hash_set_1_(NULL),
       hash_set_2_(NULL),
       hash_sets_are_empty_(true) {
 }
 
 
 void StoreBuffer::SetUp() {
-  virtual_memory_ = new VirtualMemory(kStoreBufferSize * 3);
+  virtual_memory_ = new base::VirtualMemory(kStoreBufferSize * 3);
   uintptr_t start_as_int =
       reinterpret_cast<uintptr_t>(virtual_memory_->address());
   start_ =
       reinterpret_cast<Address*>(RoundUp(start_as_int, kStoreBufferSize * 2));
   limit_ = start_ + (kStoreBufferSize / kPointerSize);
 
   old_virtual_memory_ =
-      new VirtualMemory(kOldStoreBufferLength * kPointerSize);
+      new base::VirtualMemory(kOldStoreBufferLength * kPointerSize);
   old_top_ = old_start_ =
       reinterpret_cast<Address*>(old_virtual_memory_->address());
   // Don't know the alignment requirements of the OS, but it is certainly not
   // less than 0xfff.
   ASSERT((reinterpret_cast<uintptr_t>(old_start_) & 0xfff) == 0);
-  int initial_length = static_cast<int>(OS::CommitPageSize() / kPointerSize);
+  int initial_length =
+      static_cast<int>(base::OS::CommitPageSize() / kPointerSize);
   ASSERT(initial_length > 0);
   ASSERT(initial_length <= kOldStoreBufferLength);
   old_limit_ = old_start_ + initial_length;
   old_reserved_limit_ = old_start_ + kOldStoreBufferLength;
 
   CHECK(old_virtual_memory_->Commit(
             reinterpret_cast<void*>(old_start_),
             (old_limit_ - old_start_) * kPointerSize,
             false));
 
@@ skipping 546 matching lines @@
     }
     old_buffer_is_sorted_ = false;
     old_buffer_is_filtered_ = false;
     *old_top_++ = reinterpret_cast<Address>(int_addr << kPointerSizeLog2);
     ASSERT(old_top_ <= old_limit_);
   }
   heap_->isolate()->counters()->store_buffer_compactions()->Increment();
 }
 
 } }  // namespace v8::internal