[Mac] Lay out the browser window when adding the download shelf.

chrome/browser/ui/cocoa/browser_window_controller.h

 // Copyright (c) 2012 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_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 #define CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_
 
 // A class acting as the Objective-C controller for the Browser
 // object. Handles interactions between Cocoa and the cross-platform
 // code. Each window has a single toolbar and, by virtue of being a
@@ skipping 47 matching lines @@
 @class TranslateBubbleController;
 
 namespace content {
 class WebContents;
 }
 
 namespace extensions {
 class Command;
 }
 
+constexpr const gfx::Size kMinCocoaTabbedWindowSize(400, 272);
+constexpr const gfx::Size kMinCocoaPopupWindowSize(100, 122);
+
 @interface BrowserWindowController
     : TabWindowController<BookmarkBarControllerDelegate,
                           ViewResizer,
                           TabStripControllerDelegate> {
  @private
   // The ordering of these members is important as it determines the order in
   // which they are destroyed. |browser_| needs to be destroyed last as most of
   // the other objects hold weak references to it or things it owns
   // (tab/toolbar/bookmark models, profiles, etc).
   std::unique_ptr<Browser> browser_;
@@ skipping 536 matching lines @@
 // Returns the fullscreen toolbar controller.
 - (FullscreenToolbarController*)fullscreenToolbarController;
 
 // Sets the fullscreen toolbar controller.
 - (void)setFullscreenToolbarController:(FullscreenToolbarController*)controller;
 
 @end  // @interface BrowserWindowController (TestingAPI)
 
 
 #endif  // CHROME_BROWSER_UI_COCOA_BROWSER_WINDOW_CONTROLLER_H_