Move XID, XDisplay, GetXDisplay and a few other types to ui/gfx/x/x11_types.h

ui/base/clipboard/clipboard_gtk.cc

Index: ui/base/clipboard/clipboard_gtk.cc
diff --git a/ui/base/clipboard/clipboard_gtk.cc b/ui/base/clipboard/clipboard_gtk.cc
index 85da6448c05b3639e7dffd93334bac2c8bb42c23..86f4a3c3dc3bd5954d19e8b4b68c260c4a203668 100644
--- a/ui/base/clipboard/clipboard_gtk.cc
+++ b/ui/base/clipboard/clipboard_gtk.cc
@@ -62,9 +62,9 @@ SelectionChangeObserver::SelectionChangeObserver()
       clipboard_sequence_number_(0),
       primary_sequence_number_(0) {
   int ignored;
-  if (XFixesQueryExtension(GetXDisplay(), &event_base_, &ignored)) {
-    clipboard_atom_ = XInternAtom(GetXDisplay(), "CLIPBOARD", false);
-    XFixesSelectSelectionInput(GetXDisplay(), GetX11RootWindow(),
+  if (XFixesQueryExtension(gfx::GetXDisplay(), &event_base_, &ignored)) {
+    clipboard_atom_ = XInternAtom(gfx::GetXDisplay(), "CLIPBOARD", false);
+    XFixesSelectSelectionInput(gfx::GetXDisplay(), GetX11RootWindow(),
                                clipboard_atom_,
                                XFixesSetSelectionOwnerNotifyMask |
                                XFixesSelectionWindowDestroyNotifyMask |
@@ -72,7 +72,7 @@ SelectionChangeObserver::SelectionChangeObserver()
     // This seems to be semi-optional. For some reason, registering for any
     // selection notify events seems to subscribe us to events for both the
     // primary and the clipboard buffers. Register anyway just to be safe.
-    XFixesSelectSelectionInput(GetXDisplay(), GetX11RootWindow(),
+    XFixesSelectSelectionInput(gfx::GetXDisplay(), GetX11RootWindow(),
                                XA_PRIMARY,
                                XFixesSetSelectionOwnerNotifyMask |
                                XFixesSelectionWindowDestroyNotifyMask |