Make browser windows override_redirect when dragging tabs.

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

 // Copyright (c) 2012 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 "chrome/browser/ui/views/tabs/tab_drag_controller.h"
 
 #include <math.h>
 #include <set>
 
 #include "base/auto_reset.h"
@@ skipping 11 matching lines @@
 #include "chrome/browser/ui/views/tabs/tab.h"
 #include "chrome/browser/ui/views/tabs/tab_strip.h"
 #include "chrome/browser/ui/views/tabs/window_finder.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/notification_types.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/extension_function_dispatcher.h"
+#include "ui/aura/window_tree_host.h"
 #include "ui/events/event_constants.h"
 #include "ui/events/gestures/gesture_recognizer.h"
 #include "ui/gfx/geometry/point_conversions.h"
 #include "ui/gfx/screen.h"
 #include "ui/views/event_monitor.h"
 #include "ui/views/focus/view_storage.h"
 #include "ui/views/widget/root_view.h"
 #include "ui/views/widget/widget.h"
 
 #if defined(USE_ASH)
@@ skipping 1450 matching lines @@
     GetModel(source_tabstrip_)->InsertWebContentsAt(
         data->source_model_index, data->contents,
         (data->pinned ? TabStripModel::ADD_PINNED : 0));
   }
 }
 
 void TabDragController::CompleteDrag() {
   DCHECK(started_drag_);
 
   if (attached_tabstrip_) {
+    if (is_dragging_new_browser_) {
+      // Remap the window without override-redirect, so that the window manager
+      // will pick it up (we use an unmanaged window while dragging).
+      GetAttachedBrowserWidget()->GetNativeView()->GetHost()->
+        RemapAsNormalWindow();
+    }
+
     if (is_dragging_new_browser_ || did_restore_window_) {
       if (IsDockedOrSnapped(attached_tabstrip_)) {
         was_source_maximized_ = false;
         was_source_fullscreen_ = false;
       }
 
       // If source window was maximized - maximize the new window as well.
       if (was_source_maximized_ || was_source_fullscreen_)
         MaximizeAttachedWindow();
     }
@@ skipping 231 matching lines @@
                                                      point_in_screen,
                                                      drag_bounds));
   *drag_offset = point_in_screen - new_bounds.origin();
 
   Profile* profile =
       Profile::FromBrowserContext(drag_data_[0].contents->GetBrowserContext());
   Browser::CreateParams create_params(Browser::TYPE_TABBED,
                                       profile,
                                       host_desktop_type_);
   create_params.initial_bounds = new_bounds;
+  create_params.is_being_dragged = true;
   Browser* browser = new Browser(create_params);
   is_dragging_new_browser_ = true;
   SetWindowPositionManaged(browser->window()->GetNativeWindow(), false);
   // If the window is created maximized then the bounds we supplied are ignored.
   // We need to reset them again so they are honored.
   browser->window()->SetBounds(new_bounds);
 
   return browser;
 }
 
@@ skipping 53 matching lines @@
        it != browser_list->end(); ++it) {
     if ((*it)->tab_strip_model()->empty())
       exclude.insert((*it)->window()->GetNativeWindow());
   }
 #endif
   return GetLocalProcessWindowAtPoint(host_desktop_type_,
                                       screen_point,
                                       exclude);
 
 }