Mojo: more idiomatic C++ bindings

mojo/public/cpp/bindings/lib/fixed_buffer.h

 // Copyright 2014 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 MOJO_PUBLIC_CPP_BINDINGS_LIB_FIXED_BUFFER_H_
 #define MOJO_PUBLIC_CPP_BINDINGS_LIB_FIXED_BUFFER_H_
 
-#include "mojo/public/cpp/bindings/buffer.h"
+#include "mojo/public/cpp/bindings/lib/buffer.h"
 #include "mojo/public/cpp/system/macros.h"
 
 namespace mojo {
 namespace internal {
 
 // FixedBuffer provides a simple way to allocate objects within a fixed chunk
 // of memory. Objects are allocated by calling the |Allocate| method, which
 // extends the buffer accordingly. Objects allocated in this way are not freed
 // explicitly. Instead, they remain valid so long as the FixedBuffer remains
 // valid.  The Leak method may be used to steal the underlying memory from the
@@ skipping 17 matching lines @@
 //   }
 //
 class FixedBuffer : public Buffer {
  public:
   explicit FixedBuffer(size_t size);
   virtual ~FixedBuffer();
 
   // Grows the buffer by |num_bytes| and returns a pointer to the start of the
   // addition. The resulting address is 8-byte aligned, and the content of the
   // memory is zero-filled.
-  virtual void* Allocate(size_t num_bytes, Destructor func = NULL)
-      MOJO_OVERRIDE;
+  virtual void* Allocate(size_t num_bytes) MOJO_OVERRIDE;
 
   size_t size() const { return size_; }
 
   // Returns the internal memory owned by the Buffer to the caller. The Buffer
   // relinquishes its pointer, effectively resetting the state of the Buffer
   // and leaving the caller responsible for freeing the returned memory address
   // when no longer needed.
   void* Leak();
 
  private:
   char* ptr_;
   size_t cursor_;
   size_t size_;
 
   MOJO_DISALLOW_COPY_AND_ASSIGN(FixedBuffer);
 };
 
 }  // namespace internal
 }  // namespace mojo
 
 #endif  // MOJO_PUBLIC_CPP_BINDINGS_LIB_FIXED_BUFFER_H_