mac: Don't allow animations on FullscreenLowPowerWindow.

chrome/browser/ui/cocoa/fullscreen_low_power_coordinator.mm

 // Copyright 2016 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/cocoa/fullscreen_low_power_coordinator.h"
 
 #include "ui/base/cocoa/animation_utils.h"
 #include "ui/gfx/mac/scoped_cocoa_disable_screen_updates.h"
 
 namespace {
@@ skipping 48 matching lines @@
     ui::AcceleratedWidgetMac* widget)
     : content_window_(content_window, base::scoped_policy::RETAIN),
       widget_(widget) {
   if (widget_) {
     widget_->SetFullscreenLowPowerCoordinator(this);
     CALayer* fullscreen_low_power_layer = widget_->GetFullscreenLowPowerLayer();
     if (fullscreen_low_power_layer) {
       low_power_window_.reset([[FullscreenLowPowerWindow alloc]
           initWithEventTargetWindow:content_window_
                           withLayer:fullscreen_low_power_layer]);
+      [low_power_window_ setAnimationBehavior:NSWindowAnimationBehaviorNone];
     }
   }
 
   SetHasActiveSheet([content_window_ attachedSheet]);
   ChildWindowsChanged();
 }
 
 FullscreenLowPowerCoordinatorCocoa::~FullscreenLowPowerCoordinatorCocoa() {
   if (widget_)
     widget_->ResetFullscreenLowPowerCoordinator();
@@ skipping 137 matching lines @@
         }
       } else {
         // Move behind the main window.
         state_ = Disabled;
         [low_power_window_ orderWindow:NSWindowBelow
                             relativeTo:[content_window_ windowNumber]];
       }
       break;
   }
 }