Even more reordering the methods in headers and implementation in net/.

net/base/io_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/base/io_buffer.h"
 
 #include "base/logging.h"
 
 namespace net {
 
@@ skipping 34 matching lines @@
   data_ = NULL;
 }
 
 DrainableIOBuffer::DrainableIOBuffer(IOBuffer* base, int size)
     : IOBuffer(base->data()),
       base_(base),
       size_(size),
       used_(0) {
 }
 
-DrainableIOBuffer::~DrainableIOBuffer() {
-  // The buffer is owned by the |base_| instance.
-  data_ = NULL;
-}
-
 void DrainableIOBuffer::DidConsume(int bytes) {
   SetOffset(used_ + bytes);
 }
 
 int DrainableIOBuffer::BytesRemaining() const {
   return size_ - used_;
 }
 
 // Returns the number of consumed bytes.
 int DrainableIOBuffer::BytesConsumed() const {
   return used_;
 }
 
 void DrainableIOBuffer::SetOffset(int bytes) {
   DCHECK(bytes >= 0 && bytes <= size_);
   used_ = bytes;
   data_ = base_->data() + used_;
 }
 
+DrainableIOBuffer::~DrainableIOBuffer() {
+  // The buffer is owned by the |base_| instance.
+  data_ = NULL;
+}
+
 GrowableIOBuffer::GrowableIOBuffer()
     : IOBuffer(),
       capacity_(0),
       offset_(0) {
 }
 
-GrowableIOBuffer::~GrowableIOBuffer() {
-  data_ = NULL;
-}
-
 void GrowableIOBuffer::SetCapacity(int capacity) {
   DCHECK(capacity >= 0);
   // realloc will crash if it fails.
   real_data_.reset(static_cast<char*>(realloc(real_data_.release(), capacity)));
   capacity_ = capacity;
   if (offset_ > capacity)
     set_offset(capacity);
   else
     set_offset(offset_);  // The pointer may have changed.
 }
 
 void GrowableIOBuffer::set_offset(int offset) {
   DCHECK(offset >= 0 && offset <= capacity_);
   offset_ = offset;
   data_ = real_data_.get() + offset;
 }
 
 int GrowableIOBuffer::RemainingCapacity() {
   return capacity_ - offset_;
 }
 
 char* GrowableIOBuffer::StartOfBuffer() {
   return real_data_.get();
 }
 
+GrowableIOBuffer::~GrowableIOBuffer() {
+  data_ = NULL;
+}
+
 PickledIOBuffer::PickledIOBuffer() : IOBuffer() {}
 
-PickledIOBuffer::~PickledIOBuffer() { data_ = NULL; }
-
 void PickledIOBuffer::Done() {
   data_ = const_cast<char*>(static_cast<const char*>(pickle_.data()));
 }
 
+PickledIOBuffer::~PickledIOBuffer() { data_ = NULL; }
 
 WrappedIOBuffer::WrappedIOBuffer(const char* data)
     : IOBuffer(const_cast<char*>(data)) {
 }
 
 WrappedIOBuffer::~WrappedIOBuffer() {
   data_ = NULL;
 }
 
 }  // namespace net