Fix minimum size in app windows on Mac.

chrome/browser/ui/cocoa/extensions/shell_window_cocoa.mm

 // 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.
 
 #include "chrome/browser/ui/cocoa/extensions/shell_window_cocoa.h"
 
 #include "base/mac/mac_util.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/cocoa/browser_window_utils.h"
@@ skipping 74 matching lines @@
       params.bounds.width(), params.bounds.height());
   NSUInteger style_mask = NSTitledWindowMask | NSClosableWindowMask |
                           NSMiniaturizableWindowMask | NSResizableWindowMask |
                           NSTexturedBackgroundWindowMask;
   scoped_nsobject<NSWindow> window([[ShellNSWindow alloc]
       initWithContentRect:cocoa_bounds
                 styleMask:style_mask
                   backing:NSBackingStoreBuffered
                     defer:NO]);
   [window setTitle:base::SysUTF8ToNSString(extension->name())];
-  gfx::Size min_size = params.maximum_size;
+  gfx::Size min_size = params.minimum_size;
   if (min_size.width() || min_size.height()) {
     [window setContentMinSize:NSMakeSize(min_size.width(), min_size.height())];
   }
   gfx::Size max_size = params.maximum_size;
   if (max_size.width() || max_size.height()) {
     CGFloat max_width = max_size.width() ? max_size.width() : CGFLOAT_MAX;
     CGFloat max_height = max_size.height() ? max_size.height() : CGFLOAT_MAX;
     [window setContentMaxSize:NSMakeSize(max_width, max_height)];
   }
 
@@ skipping 208 matching lines @@
   return [window_controller_ window];
 }
 
 // static
 ShellWindow* ShellWindow::CreateImpl(Profile* profile,
                                      const extensions::Extension* extension,
                                      const GURL& url,
                                      const ShellWindow::CreateParams& params) {
   return new ShellWindowCocoa(profile, extension, url, params);
 }