Panel Overflow on Mac.

chrome/browser/ui/panels/panel_titlebar_view_cocoa.h

 // Copyright (c) 2011 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_UI_PANELS_PANEL_TITLEBAR_VIEW_COCOA_H_
 #define CHROME_BROWSER_UI_PANELS_PANEL_TITLEBAR_VIEW_COCOA_H_
 
 #import <Cocoa/Cocoa.h>
 
 #import "base/mac/cocoa_protocols.h"
@@ skipping 87 matching lines @@
 - (void)checkMouseAndUpdateSettingsButtonVisibility;
 
 // Draw Attention methods - change appearance of titlebar to attract user.
 - (void)drawAttention;
 - (void)stopDrawingAttention;
 - (BOOL)isDrawingAttention;
 - (void)startGlintAnimation;
 - (void)restartGlintAnimation:(NSTimer*)timer;
 - (void)stopGlintAnimation;
 
+// Returns width of titlebar when shown in "icon only" mode.
+- (int)iconOnlyWidthInScreenCoordinates;
+
 @end  // @interface PanelTitlebarView
 
 // Methods which are either only for testing, or only public for testing.
 @interface PanelTitlebarViewCocoa(TestingAPI)
 
 - (PanelWindowControllerCocoa*)controller;
 
 - (NSTextField*)title;
 
 // Simulates click on a close button. Used to test panel closing.
 - (void)simulateCloseButtonClick;
 
 // NativePanelTesting support.
 - (void)pressLeftMouseButtonTitlebar;
 - (void)releaseLeftMouseButtonTitlebar;
 - (void)dragTitlebarDeltaX:(double)delta_x
                     deltaY:(double)delta_y;
 - (void)cancelDragTitlebar;
 - (void)finishDragTitlebar;
 
 @end  // @interface PanelTitlebarViewCocoa(TestingAPI)
 
 #endif  // CHROME_BROWSER_UI_PANELS_PANEL_TITLEBAR_VIEW_COCOA_H_