Enables docked windows by default

ash/wm/dock/docked_window_resizer.cc

Index: ash/wm/dock/docked_window_resizer.cc
diff --git a/ash/wm/dock/docked_window_resizer.cc b/ash/wm/dock/docked_window_resizer.cc
index 28d043848b298463ceae29a7f7289faed357b3df..f186a319e8a1b50959e939e1dc0601c70d0911f0 100644
--- a/ash/wm/dock/docked_window_resizer.cc
+++ b/ash/wm/dock/docked_window_resizer.cc
@@ -4,7 +4,6 @@
 
 #include "ash/wm/dock/docked_window_resizer.h"
 
-#include "ash/ash_switches.h"
 #include "ash/display/display_controller.h"
 #include "ash/launcher/launcher.h"
 #include "ash/root_window_controller.h"
@@ -142,9 +141,12 @@ void DockedWindowResizer::RevertDrag() {
     window_state->SetTrackedByWorkspace(false);
   next_window_resizer_->RevertDrag();
   // Restore docked state to what it was before the drag if necessary.
-  if (was_docked_ && !is_docked_) {
-    dock_layout_->DockDraggedWindow(GetTarget());
+  if (was_docked_ != is_docked_) {
     is_docked_ = was_docked_;
+    if (is_docked_)
+      dock_layout_->DockDraggedWindow(GetTarget());
+    else
+      dock_layout_->UndockDraggedWindow();

[flackr, 2013/11/01 16:52:28]

separate cl

[varkha, 2013/11/05 20:34:23]

Done. https://codereview.chromium.org/46893003/.

   }
   FinishedDragging();
   window_state->SetTrackedByWorkspace(was_tracked_by_workspace);