Move platform abstraction to base library

src/debug.cc

 // Copyright 2012 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/v8.h"
 
 #include "src/api.h"
 #include "src/arguments.h"
 #include "src/bootstrapper.h"
 #include "src/code-stubs.h"
@@ skipping 3307 matching lines @@
   new_queue.start_ = new_queue.end_;
   // Automatic destructor called on new_queue, freeing array_to_free.
 }
 
 
 LockingCommandMessageQueue::LockingCommandMessageQueue(Logger* logger, int size)
     : logger_(logger), queue_(size) {}
 
 
 bool LockingCommandMessageQueue::IsEmpty() const {
-  LockGuard<Mutex> lock_guard(&mutex_);
+  base::LockGuard<base::Mutex> lock_guard(&mutex_);
   return queue_.IsEmpty();
 }
 
 
 CommandMessage LockingCommandMessageQueue::Get() {
-  LockGuard<Mutex> lock_guard(&mutex_);
+  base::LockGuard<base::Mutex> lock_guard(&mutex_);
   CommandMessage result = queue_.Get();
   logger_->DebugEvent("Get", result.text());
   return result;
 }
 
 
 void LockingCommandMessageQueue::Put(const CommandMessage& message) {
-  LockGuard<Mutex> lock_guard(&mutex_);
+  base::LockGuard<base::Mutex> lock_guard(&mutex_);
   queue_.Put(message);
   logger_->DebugEvent("Put", message.text());
 }
 
 
 void LockingCommandMessageQueue::Clear() {
-  LockGuard<Mutex> lock_guard(&mutex_);
+  base::LockGuard<base::Mutex> lock_guard(&mutex_);
   queue_.Clear();
 }
 
 } }  // namespace v8::internal