Have panels respond to changes in work area on Linux.

ui/base/x/x11_util.cc

 // Copyright (c) 2011 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.
 
 // This file defines utility functions for X11 (Linux only). This code has been
 // ported from XCB since we can't use XCB on Ubuntu while its 32-bit support
 // remains woefully incomplete.
 
 #include "ui/base/x/x11_util.h"
 
@@ skipping 62 matching lines @@
        base::Bind(&LogErrorEventDescription, d, *e));
   return 0;
 }
 
 int DefaultX11IOErrorHandler(Display* d) {
   // If there's an IO error it likely means the X server has gone away
   LOG(ERROR) << "X IO Error detected";
   _exit(1);
 }
 
-Atom GetAtom(const char* name) {
-#if defined(TOOLKIT_USES_GTK)
-  return gdk_x11_get_xatom_by_name_for_display(
-      gdk_display_get_default(), name);
-#else
-  return XInternAtom(GetXDisplay(), name, false);
-#endif
-}
-
 // Note: The caller should free the resulting value data.
 bool GetProperty(XID window, const std::string& property_name, long max_length,
                  Atom* type, int* format, unsigned long* num_items,
                  unsigned char** property) {
   Atom property_atom = GetAtom(property_name.c_str());
   unsigned long remaining_bytes = 0;
   return XGetWindowProperty(GetXDisplay(),
                             window,
                             property_atom,
                             0,          // offset into property data to read
@@ skipping 320 matching lines @@
   if (format != 8) {
     XFree(property);
     return false;
   }
 
   value->assign(reinterpret_cast<char*>(property), num_items);
   XFree(property);
   return true;
 }
 
+Atom GetAtom(const char* name) {
+#if defined(TOOLKIT_USES_GTK)
+  return gdk_x11_get_xatom_by_name_for_display(
+      gdk_display_get_default(), name);
+#else
+  return XInternAtom(GetXDisplay(), name, false);
+#endif
+}
+
 XID GetParentWindow(XID window) {
   XID root = None;
   XID parent = None;
   XID* children = NULL;
   unsigned int num_children = 0;
   XQueryTree(GetXDisplay(), window, &root, &parent, &children, &num_children);
   if (children)
     XFree(children);
   return parent;
 }
@@ skipping 490 matching lines @@
       << "request_code " << static_cast<int>(error_event.request_code) << ", "
       << "minor_code " << static_cast<int>(error_event.minor_code)
       << " (" << request_str << ")";
 }
 
 // ----------------------------------------------------------------------------
 // End of x11_util_internal.h
 
 
 }  // namespace ui