Revert of Linux Aura: Make tab dragging great again

ui/base/x/x11_util.cc

Index: ui/base/x/x11_util.cc
diff --git a/ui/base/x/x11_util.cc b/ui/base/x/x11_util.cc
index 31a6eed6c1b5339304227b311e084ccc72d21a06..ec6b5363d72403d266c487e9e625a49ff7751e1d 100644
--- a/ui/base/x/x11_util.cc
+++ b/ui/base/x/x11_util.cc
@@ -493,30 +493,6 @@
                   PropModeReplace,
                   reinterpret_cast<unsigned char*>(&motif_hints),
                   sizeof(MotifWmHints)/sizeof(long));
-}
-
-void MoveResizeManagedWindow(XID window,
-                             gfx::Point root_location,
-                             NetWmMoveResize mode) {
-  XDisplay* display = gfx::GetXDisplay();
-  XAtom message_type = GetAtom("_NET_WM_MOVERESIZE");
-  XEvent event;
-  memset(&event, 0, sizeof(event));
-  event.xclient.type = ClientMessage;
-  event.xclient.display = display;
-  event.xclient.window = window;
-  event.xclient.message_type = message_type;
-  event.xclient.format = 32;
-  event.xclient.data.l[0] = root_location.x();
-  event.xclient.data.l[1] = root_location.y();
-  event.xclient.data.l[2] = static_cast<long>(mode);
-  event.xclient.data.l[3] =
-      Button1;  // Currently all our managed dragging is done with LMB.
-  event.xclient.data.l[4] = 1;  // Requested by normal application
-
-  XSendEvent(display, DefaultRootWindow(display), False,
-             SubstructureRedirectMask | SubstructureNotifyMask, &event);
-  XFlush(display);
 }
 
 bool IsShapeExtensionAvailable() {