MacViews: Don't switch Spaces when calling ShowInactive() for a child Widget.

ui/views/widget/native_widget_mac_unittest.mm

 // Copyright 2014 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.
 
 #import "ui/views/widget/native_widget_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/foundation_util.h"
 #include "base/mac/mac_util.h"
@@ skipping 1357 matching lines @@
   EXPECT_TRUE([dialog_widget->GetNativeWindow() canBecomeKeyWindow]);
   // Dialogs shouldn't take main status away from their parent.
   EXPECT_FALSE([dialog_widget->GetNativeWindow() canBecomeMainWindow]);
 
   // Create a bubble widget with a parent: also shouldn't get main.
   BubbleDialogDelegateView* bubble_view = new SimpleBubbleView();
   bubble_view->set_parent_window(regular_widget->GetNativeView());
   Widget* bubble_widget = BubbleDialogDelegateView::CreateBubble(bubble_view);
   EXPECT_TRUE([bubble_widget->GetNativeWindow() canBecomeKeyWindow]);
   EXPECT_FALSE([bubble_widget->GetNativeWindow() canBecomeMainWindow]);
+  EXPECT_EQ(NSWindowCollectionBehaviorTransient,
+            [bubble_widget->GetNativeWindow() collectionBehavior] &
+                NSWindowCollectionBehaviorTransient);
 
   // But a bubble without a parent should still be able to become main.
   Widget* toplevel_bubble_widget =
       BubbleDialogDelegateView::CreateBubble(new SimpleBubbleView());
   EXPECT_TRUE([toplevel_bubble_widget->GetNativeWindow() canBecomeKeyWindow]);
   EXPECT_TRUE([toplevel_bubble_widget->GetNativeWindow() canBecomeMainWindow]);
 
   toplevel_bubble_widget->CloseNow();
   regular_widget->CloseNow();
 }
@@ skipping 540 matching lines @@
 
 - (void)dealloc {
   if (deallocFlag_) {
     DCHECK(!*deallocFlag_);
     *deallocFlag_ = true;
   }
   [super dealloc];
 }
 
 @end