Activate the workspace that dragged window has landed.

ui/aura_shell/default_container_layout_manager.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "ui/aura_shell/default_container_layout_manager.h"
 
 #include "base/auto_reset.h"
 #include "ui/aura/desktop.h"
 #include "ui/aura/event.h"
 #include "ui/aura/window.h"
@@ skipping 56 matching lines @@
   if (rotate_target)
     workspace_manager_->RotateWindows(drag, rotate_target);
 }
 
 void DefaultContainerLayoutManager::EndMove(
     aura::Window* drag,
     aura::MouseEvent* evnet) {
   // TODO(oshima): finish moving window between workspaces.
   AutoReset<bool> reset(&ignore_calculate_bounds_, true);
   drag_window_ = NULL;
-  Workspace* workspace = workspace_manager_->GetActiveWorkspace();
-  if (workspace)
-    workspace->Layout(NULL, NULL);
+
+  Workspace* workspace = workspace_manager_->FindBy(drag);
+  workspace->Layout(NULL, NULL);
+  workspace->Activate();
   workspace_manager_->SetOverview(false);
 }
 
 void DefaultContainerLayoutManager::EndResize(
     aura::Window* drag,
     aura::MouseEvent* evnet) {
   AutoReset<bool> reset(&ignore_calculate_bounds_, true);
   drag_window_ = NULL;
   Workspace* workspace = workspace_manager_->GetActiveWorkspace();
   if (workspace)
@@ skipping 67 matching lines @@
 
   Workspace* workspace = workspace_manager_->FindBy(child);
   gfx::Rect work_area = workspace->GetWorkAreaBounds();
   requested_bounds->set_origin(
       gfx::Point(child->GetTargetBounds().x(), work_area.y()));
   *requested_bounds = requested_bounds->AdjustToFit(work_area);
 }
 
 }  // namespace internal
 }  // namespace aura_shell