Misc cleanup in net/spdy/core.

net/spdy/core/array_output_buffer.h

 // Copyright 2017 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.
 
 #ifndef NET_SPDY_CORE_ARRAY_OUTPUT_BUFFER_H_
 #define NET_SPDY_CORE_ARRAY_OUTPUT_BUFFER_H_
 
 #include <cstddef>
 #include "net/spdy/core/zero_copy_output_buffer.h"
 
 namespace net {
 
 class ArrayOutputBuffer : public ZeroCopyOutputBuffer {
  public:
   // |buffer| is pointed to the output to write to, and |size| is the capacity
   // of the output.
   ArrayOutputBuffer(char* buffer, int64_t size)
       : current_(buffer), begin_(buffer), capacity_(size) {}
   ~ArrayOutputBuffer() override{};
 
+  ArrayOutputBuffer(const ArrayOutputBuffer&) = delete;
+  ArrayOutputBuffer& operator=(const ArrayOutputBuffer&) = delete;
+
   void Next(char** data, int* size) override;
   void AdvanceWritePtr(int64_t count) override;
   uint64_t BytesFree() const override;
 
   size_t Size() const { return current_ - begin_; }
   char* Begin() const { return begin_; }
 
   // Resets the buffer to its original state.
   void Reset() {
     capacity_ += Size();
     current_ = begin_;
   }
 
-  ArrayOutputBuffer(const ArrayOutputBuffer&) = delete;
-  ArrayOutputBuffer& operator=(const ArrayOutputBuffer&) = delete;
 
  private:
   char* current_ = nullptr;
   char* begin_ = nullptr;
   int64_t capacity_ = 0;
 };
 
 }  // namespace net
 
 #endif  // NET_SPDY_CORE_ARRAY_OUTPUT_BUFFER_H_