[Mac] Fix weird layout issues when dragging a tab from a large screen to a sm...

chrome/browser/cocoa/tab_window_controller.h

 // Copyright (c) 2009 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.
 
 #ifndef CHROME_BROWSER_TAB_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_TAB_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C window controller for a window that has
 // tabs which can be dragged around. Tabs can be re-arranged within the same
 // window or dragged into other TabWindowController windows. This class doesn't
@@ skipping 31 matching lines @@
 @property(readonly, nonatomic) FastResizeView* tabContentArea;
 
 // Used during tab dragging to turn on/off the overlay window when a tab
 // is torn off. If -deferPerformClose (below) is used, -removeOverlay will
 // cause the controller to be autoreleased before returning.
 - (void)showOverlay;
 - (void)removeOverlay;
 - (void)removeOverlayAfterDelay:(NSTimeInterval)delay;
 - (NSWindow*)overlayWindow;
 
+// Returns YES if it is ok to constrain the window's frame to fit the screen.
+- (BOOL)shouldConstrainFrameRect;
+
 // A collection of methods, stubbed out in this base class, that provide
 // the implementation of tab dragging based on whatever model is most
 // appropriate.
 
 // Layout the tabs based on the current ordering of the model.
 - (void)layoutTabs;
 
 // Creates a new window by pulling the given tab out and placing it in
 // the new window. Returns the controller for the new window. The size of the
 // new window will be the same size as this window.
@@ skipping 66 matching lines @@
 
 @end
 
 @interface TabWindowController(ProtectedMethods)
 // Tells the tab strip to forget about this tab in preparation for it being
 // put into a different tab strip, such as during a drop on another window.
 - (void)detachTabView:(NSView*)view;
 @end
 
 #endif  // CHROME_BROWSER_TAB_WINDOW_CONTROLLER_H_