Rewrites the Mac view resizing logic to have the BrowserWindowController...

chrome/browser/cocoa/view_resizer.h

Index: chrome/browser/cocoa/view_resizer.h
===================================================================
--- chrome/browser/cocoa/view_resizer.h	(revision 0)
+++ chrome/browser/cocoa/view_resizer.h	(revision 0)
@@ -0,0 +1,21 @@
+// 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_COCOA_VIEW_RESIZER_H_
+#define CHROME_BROWSER_COCOA_VIEW_RESIZER_H_
+
+#include "chrome/browser/tabs/tab_strip_model.h"
+
+#import <Cocoa/Cocoa.h>
+
+// Defines a protocol that allows controllers to delegate resizing their views
+// to their parents.  When a controller needs to change a view's height, rather
+// than resizing it directly, it sends a message to its parent asking the parent
+// to perform the resize.  This allows the parent to do any re-layout that may
+// become necessary due to the resize.
+@protocol ViewResizer
+- (void)resizeView:(NSView*)view newHeight:(float)height;
+@end
+
+#endif  // CHROME_BROWSER_COCOA_VIEW_RESIZER_H_