Revert cl 9528 to fix mac test_shell_tests

net/base/io_buffer.h

Index: net/base/io_buffer.h
===================================================================
--- net/base/io_buffer.h	(revision 9528)
+++ net/base/io_buffer.h	(working copy)
@@ -19,7 +19,7 @@
     DCHECK(buffer_size);
     data_ = new char[buffer_size];
   }
-  explicit IOBuffer(char* data) : data_(data) {}
+  explicit IOBuffer(char* buffer) : data_(buffer) {}
   virtual ~IOBuffer() {
     delete[] data_;
   }
@@ -30,20 +30,6 @@
   char* data_;
 };
 
-// This class allows the creation of a temporary IOBuffer that doesn't really
-// own the underlying buffer. Please use this class only as a last resort.
-// A good example is the buffer for a synchronous operation, where we can be
-// sure that nobody is keeping an extra reference to this object so the lifetime
-// of the buffer can be completely managed by its intended owner.
-class WrappedIOBuffer : public net::IOBuffer {
- public:
-  explicit WrappedIOBuffer(const char* data)
-      : net::IOBuffer(const_cast<char*>(data)) {}
-  ~WrappedIOBuffer() {
-    data_ = NULL;
-  }
-};
-
 }  // namespace net
 
 #endif  // NET_BASE_IO_BUFFER_H_