Lands http://codereview.chromium.org/6288010/ for jamiewalch:

chrome/browser/ui/views/tabs/dragged_tab_controller.cc

Index: chrome/browser/ui/views/tabs/dragged_tab_controller.cc
diff --git a/chrome/browser/ui/views/tabs/dragged_tab_controller.cc b/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
index 706b85d04cbb828fa25c6a453a2231976fe8b7d7..ad3cd049c3c6f7a1db132277a15d1d3c14cbb31c 100644
--- a/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
+++ b/chrome/browser/ui/views/tabs/dragged_tab_controller.cc
@@ -532,7 +532,7 @@ void DraggedTabController::UpdateWindowCreatePoint() {
 
 gfx::Point DraggedTabController::GetWindowCreatePoint() const {
   gfx::Point cursor_point = GetCursorScreenPoint();
-  if (dock_info_.type() != DockInfo::NONE) {
+  if (dock_info_.type() != DockInfo::NONE && dock_info_.in_enable_area()) {
     // If we're going to dock, we need to return the exact coordinate,
     // otherwise we may attempt to maximize on the wrong monitor.
     return cursor_point;