Break out balsa and epoll_server from net/tools/flip_server.

net/tools/balsa/simple_buffer.cc

 // Copyright (c) 2009 The Chromium 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 "net/tools/flip_server/simple_buffer.h"
+#include "net/tools/balsa/simple_buffer.h"
 #include "base/logging.h"
 
 // Some of the following member functions are marked inlined, even though they
 // are virtual. This may seem counter-intuitive, since virtual functions are
 // generally not eligible for inlining. Profiling results indicate that these
 // large amount of runtime is spent on virtual function dispatch on these
 // simple functions. They are virtual because of the interface this class
 // inherits from. However, it is very unlikely that anyone will sub-class
 // SimpleBuffer and change their implementation. To get rid of this baggage,
 // internal implementation (e.g., Write) explicitly use SimpleBuffer:: to
@@ skipping 183 matching lines @@
 // amount of data specified here is expected to
 // already be resident (as if it was Written)
 inline void SimpleBuffer::AdvanceWritablePtr(int amount_to_advance) {
   write_idx_ += amount_to_advance;
   if (write_idx_ > storage_size_) {
     write_idx_ = storage_size_;
   }
 }
 
 }  // namespace net