Fix window zoom in a sane way, remove nasty casts.

chrome/browser/ui/cocoa/browser_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/browser_window_cocoa.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/sys_string_conversions.h"
 #include "chrome/app/chrome_command_ids.h"
 #include "chrome/browser/bookmarks/bookmark_utils.h"
 #include "chrome/browser/download/download_shelf.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/tab_contents/tab_contents_view_mac.h"
 #include "chrome/browser/ui/browser.h"
 #include "chrome/browser/ui/browser_list.h"
 #import "chrome/browser/ui/cocoa/browser/avatar_button_controller.h"
 #import "chrome/browser/ui/cocoa/browser/avatar_menu_bubble_controller.h"
 #import "chrome/browser/ui/cocoa/browser/edit_search_engine_cocoa_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_controller.h"
 #import "chrome/browser/ui/cocoa/browser_window_utils.h"
 #import "chrome/browser/ui/cocoa/chrome_event_processing_window.h"
 #import "chrome/browser/ui/cocoa/content_settings/collected_cookies_mac.h"
 #import "chrome/browser/ui/cocoa/download/download_shelf_controller.h"
@@ skipping 569 matching lines @@
   [controller_ destroyBrowser];
 
   // at this point the controller is dead (autoreleased), so
   // make sure we don't try to reference it any more.
 }
 
 NSWindow* BrowserWindowCocoa::window() const {
   return [controller_ window];
 }
 
-void BrowserWindowCocoa::UpdatePreferredSize(content::WebContents* web_contents,
-                                             const gfx::Size& pref_size) {
-  static_cast<TabContentsViewMac*>(web_contents->GetView())->
-      set_preferred_width(pref_size.width());
-}
-
 void BrowserWindowCocoa::ShowAvatarBubble(WebContents* web_contents,
                                           const gfx::Rect& rect) {
   NSView* view = web_contents->GetNativeView();
   NSRect bounds = [view bounds];
   NSPoint point;
   point.x = NSMinX(bounds) + rect.right();
   // The view's origin is at the bottom but |rect|'s origin is at the top.
   point.y = NSMaxY(bounds) - rect.bottom();
   point = [view convertPoint:point toView:nil];
   point = [[view window] convertBaseToScreen:point];
 
   // |menu| will automatically release itself on close.
   AvatarMenuBubbleController* menu =
       [[AvatarMenuBubbleController alloc] initWithBrowser:browser_
                                                anchoredAt:point];
   [[menu bubble] setAlignment:info_bubble::kAlignEdgeToAnchorEdge];
   [menu showWindow:nil];
 }
 
 void BrowserWindowCocoa::ShowAvatarBubbleFromAvatarButton() {
   [[controller_ avatarButtonController] showAvatarBubble];
 }