Revert of Linux Aura: Make tab dragging great again

ui/base/x/x11_util.h

Index: ui/base/x/x11_util.h
diff --git a/ui/base/x/x11_util.h b/ui/base/x/x11_util.h
index eb61d9346750757cf4cae6f468fe8877218eab68..8cd8bde7a72b93b01e6e8e48ae0f3f53bb8302e0 100644
--- a/ui/base/x/x11_util.h
+++ b/ui/base/x/x11_util.h
@@ -37,22 +37,6 @@
 
 namespace ui {
 
-// These constants are defined in the EWMH spec for _NET_WM_MOVERESIZE.
-enum class NetWmMoveResize {
-  SIZE_TOPLEFT = 0,
-  SIZE_TOP = 1,
-  SIZE_TOPRIGHT = 2,
-  SIZE_RIGHT = 3,
-  SIZE_BOTTOMRIGHT = 4,
-  SIZE_BOTTOM = 5,
-  SIZE_BOTTOMLEFT = 6,
-  SIZE_LEFT = 7,
-  MOVE = 8,            // movement only
-  SIZE_KEYBOARD = 9,   // size via keyboard
-  MOVE_KEYBOARD = 10,  // move via keyboard
-  CANCEL = 11,         // cancel operation
-};
-
 // These functions use the default display and this /must/ be called from
 // the UI thread. Thus, they don't support multiple displays.
 
@@ -99,13 +83,6 @@
 
 // Sets whether |window| should use the OS window frame.
 UI_BASE_X_EXPORT void SetUseOSWindowFrame(XID window, bool use_os_window_frame);
-
-// Requests the window manager move or resize the window on behalf of Chromium.
-// Clients MUST release all grabs prior to calling.  Callers must check that the
-// WM supports the _NET_WM_MOVERESIZE protocol.
-UI_BASE_X_EXPORT void MoveResizeManagedWindow(XID window,
-                                              gfx::Point root_location,
-                                              NetWmMoveResize mode);
 
 // These functions do not cache their results --------------------------