8210891: Remove unused extutil.h from JDK8u sources

Reviewed-by: prr

THIRD_PARTY_README

@@ -2857,35 +2857,6 @@ used in advertising or otherwise to promote the sale, use or other dealings
 in this Software without prior written authorization from the X Consortium.
 */
 
-_____________________________
-Copyright notice for extutil.h:
-Copyright 1989, 1998 The Open Group
-
-All Rights Reserved.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
-*
-* Author: Jim Fulton, MIT The Open Group
-*
-* Xlib Extension-Writing Utilities
-*
-* This package contains utilities for writing the client API for various
-* protocol extensions. THESE INTERFACES ARE NOT PART OF THE X STANDARD AND
-* ARE SUBJECT TO CHANGE!
-*/
-
 _____________________________
 Copyright notice for HPkeysym.h:
 /*

src/solaris/native/sun/awt/extutil.h

-/*
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This code is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 only, as
- * published by the Free Software Foundation.  Oracle designates this
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * This file is available under and governed by the GNU General Public
- * License version 2 only, as published by the Free Software Foundation.
- * However, the following notice accompanied the original version of this
- * file:
- *
- * $Xorg: extutil.h,v 1.3 2000/08/18 04:05:45 coskrey Exp $
- *
-Copyright 1989, 1998  The Open Group
-
-All Rights Reserved.
-
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
-OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
-AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
-CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
-
-Except as contained in this notice, the name of The Open Group shall not be
-used in advertising or otherwise to promote the sale, use or other dealings
-in this Software without prior written authorization from The Open Group.
- *
- * Author:  Jim Fulton, MIT The Open Group
- *
- *                     Xlib Extension-Writing Utilities
- *
- * This package contains utilities for writing the client API for various
- * protocol extensions.  THESE INTERFACES ARE NOT PART OF THE X STANDARD AND
- * ARE SUBJECT TO CHANGE!
- */
-/* $XFree86: xc/include/extensions/extutil.h,v 1.5 2001/01/17 17:53:20 dawes Exp $ */
-
-#if defined(__linux__) || defined(MACOSX)
-
-#ifndef _EXTUTIL_H_
-#define _EXTUTIL_H_
-
-/*
- * We need to keep a list of open displays since the Xlib display list isn't
- * public.  We also have to per-display info in a separate block since it isn't
- * stored directly in the Display structure.
- */
-typedef struct _XExtDisplayInfo {
-    struct _XExtDisplayInfo *next;      /* keep a linked list */
-    Display *display;                   /* which display this is */
-    XExtCodes *codes;                   /* the extension protocol codes */
-    XPointer data;                      /* extra data for extension to use */
-} XExtDisplayInfo;
-
-typedef struct _XExtensionInfo {
-    XExtDisplayInfo *head;              /* start of list */
-    XExtDisplayInfo *cur;               /* most recently used */
-    int ndisplays;                      /* number of displays */
-} XExtensionInfo;
-
-typedef struct _XExtensionHooks {
-    int (*create_gc)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              GC                        /* gc */,
-              XExtCodes*                /* codes */
-#endif
-);
-    int (*copy_gc)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              GC                        /* gc */,
-              XExtCodes*                /* codes */
-#endif
-);
-    int (*flush_gc)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              GC                        /* gc */,
-              XExtCodes*                /* codes */
-#endif
-);
-    int (*free_gc)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              GC                        /* gc */,
-              XExtCodes*                /* codes */
-#endif
-);
-    int (*create_font)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              XFontStruct*              /* fs */,
-              XExtCodes*                /* codes */
-#endif
-);
-    int (*free_font)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              XFontStruct*              /* fs */,
-              XExtCodes*                /* codes */
-#endif
-);
-    int (*close_display)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              XExtCodes*                /* codes */
-#endif
-);
-    Bool (*wire_to_event)(
-#if NeedNestedPrototypes
-               Display*                 /* display */,
-               XEvent*                  /* re */,
-               xEvent*                  /* event */
-#endif
-);
-    Status (*event_to_wire)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              XEvent*                   /* re */,
-              xEvent*                   /* event */
-#endif
-);
-    int (*error)(
-#if NeedNestedPrototypes
-              Display*                  /* display */,
-              xError*                   /* err */,
-              XExtCodes*                /* codes */,
-              int*                      /* ret_code */
-#endif
-);
-    char *(*error_string)(
-#if NeedNestedPrototypes
-                Display*                /* display */,
-                int                     /* code */,
-                XExtCodes*              /* codes */,
-                char*                   /* buffer */,
-                int                     /* nbytes */
-#endif
-);
-} XExtensionHooks;
-
-extern XExtensionInfo *XextCreateExtension(
-#if NeedFunctionPrototypes
-    void
-#endif
-);
-extern void XextDestroyExtension(
-#if NeedFunctionPrototypes
-    XExtensionInfo*     /* info */
-#endif
-);
-extern XExtDisplayInfo *XextAddDisplay(
-#if NeedFunctionPrototypes
-    XExtensionInfo*     /* extinfo */,
-    Display*            /* dpy */,
-    char*               /* ext_name */,
-    XExtensionHooks*    /* hooks */,
-    int                 /* nevents */,
-    XPointer            /* data */
-#endif
-);
-extern int XextRemoveDisplay(
-#if NeedFunctionPrototypes
-    XExtensionInfo*     /* extinfo */,
-    Display*            /* dpy */
-#endif
-);
-extern XExtDisplayInfo *XextFindDisplay(
-#if NeedFunctionPrototypes
-    XExtensionInfo*     /* extinfo */,
-    Display*            /* dpy */
-#endif
-);
-
-#define XextHasExtension(i) ((i) && ((i)->codes))
-#define XextCheckExtension(dpy,i,name,val) \
-  if (!XextHasExtension(i)) { XMissingExtension (dpy, name); return val; }
-#define XextSimpleCheckExtension(dpy,i,name) \
-  if (!XextHasExtension(i)) { XMissingExtension (dpy, name); return; }
-
-
-/*
- * helper macros to generate code that is common to all extensions; caller
- * should prefix it with static if extension source is in one file; this
- * could be a utility function, but have to stack 6 unused arguments for
- * something that is called many, many times would be bad.
- */
-#define XEXT_GENERATE_FIND_DISPLAY(proc,extinfo,extname,hooks,nev,data) \
-XExtDisplayInfo *proc (Display *dpy) \
-{ \
-    XExtDisplayInfo *dpyinfo; \
-    if (!extinfo) { if (!(extinfo = XextCreateExtension())) return NULL; } \
-    if (!(dpyinfo = XextFindDisplay (extinfo, dpy))) \
-      dpyinfo = XextAddDisplay (extinfo,dpy,extname,hooks,nev,data); \
-    return dpyinfo; \
-}
-
-#define XEXT_FIND_DISPLAY_PROTO(proc) \
-        XExtDisplayInfo *proc(Display *dpy)
-
-#define XEXT_GENERATE_CLOSE_DISPLAY(proc,extinfo) \
-int proc (Display *dpy, XExtCodes *codes) \
-{ \
-    return XextRemoveDisplay (extinfo, dpy); \
-}
-
-#define XEXT_CLOSE_DISPLAY_PROTO(proc) \
-        int proc(Display *dpy, XExtCodes *codes)
-
-#define XEXT_GENERATE_ERROR_STRING(proc,extname,nerr,errl) \
-char *proc (Display *dpy, int code, XExtCodes *codes, char *buf, int n) \
-{  \
-    code -= codes->first_error;  \
-    if (code >= 0 && code < nerr) { \
-        char tmp[256]; \
-        sprintf (tmp, "%s.%d", extname, code); \
-        XGetErrorDatabaseText (dpy, "XProtoError", tmp, errl[code], buf, n); \
-        return buf; \
-    } \
-    return (char *)0; \
-}
-
-#define XEXT_ERROR_STRING_PROTO(proc) \
-        char *proc(Display *dpy, int code, XExtCodes *codes, char *buf, int n)
-#endif
-
-#endif /* __linux__ || MACOSX */