MacViews: Fix positioning of top-level Widgets with parents

ui/views/cocoa/bridged_native_widget_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/cocoa/bridged_native_widget.h"
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/foundation_util.h"
 #import "base/mac/mac_util.h"
@@ skipping 94 matching lines @@
   scoped_ptr<BridgedNativeWidget>& bridge() {
     return native_widget_mac_->bridge();
   }
 
   // Overridden from testing::Test:
   void SetUp() override {
     ui::CocoaTest::SetUp();
 
     init_params_.native_widget = native_widget_mac_;
 
+    // Use a frameless window, otherwise Widget will try to center the window
+    // before the tests covering the Init() flow are ready to do that.
+    init_params_.type = Widget::InitParams::TYPE_WINDOW_FRAMELESS;
+
     // To control the lifetime without an actual window that must be closed,
     // tests in this file need to use WIDGET_OWNS_NATIVE_WIDGET.
     init_params_.ownership = Widget::InitParams::WIDGET_OWNS_NATIVE_WIDGET;
 
     // Opacity defaults to "infer" which is usually updated by ViewsDelegate.
     init_params_.opacity = Widget::InitParams::OPAQUE_WINDOW;
 
     native_widget_mac_->GetWidget()->Init(init_params_);
   }
 
@@ skipping 374 matching lines @@
   [center postNotificationName:NSWindowDidExitFullScreenNotification
                         object:window];
   EXPECT_EQ(1, [window ignoredToggleFullScreenCount]);  // No change.
   EXPECT_FALSE(bridge()->target_fullscreen_state());
 
   widget_->CloseNow();
 }
 
 }  // namespace test
 }  // namespace views