Remove TabContents from constrained windows.

chrome/browser/ui/cocoa/login_prompt_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.
 
 #import "chrome/browser/ui/cocoa/login_prompt_cocoa.h"
 
 #include "base/mac/bundle_locations.h"
 #include "base/mac/mac_util.h"
 #include "base/string16.h"
 #include "base/string_util.h"
 #include "base/sys_string_conversions.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/password_manager/password_manager.h"
 #include "chrome/browser/tab_contents/tab_util.h"
 #include "chrome/browser/ui/cocoa/constrained_window_mac.h"
 #include "chrome/browser/ui/login/login_model.h"
 #include "chrome/browser/ui/login/login_prompt.h"
-#include "chrome/browser/ui/tab_contents/tab_contents.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/web_contents.h"
 #include "grit/generated_resources.h"
 #include "net/url_request/url_request.h"
 #include "third_party/GTM/AppKit/GTMUILocalizerAndLayoutTweaker.h"
 #include "ui/base/l10n/l10n_util.h"
 
 using content::BrowserThread;
 using content::PasswordForm;
 using content::WebContents;
@@ skipping 38 matching lines @@
     [sheet_controller_ setExplanation:base::SysUTF16ToNSString(explanation)];
 
     // Scary thread safety note: This can potentially be called *after* SetAuth
     // or CancelAuth (say, if the request was cancelled before the UI thread got
     // control).  However, that's OK since any UI interaction in those functions
     // will occur via an InvokeLater on the UI thread, which is guaranteed
     // to happen after this is called (since this was InvokeLater'd first).
     WebContents* requesting_contents = GetWebContentsForLogin();
     DCHECK(requesting_contents);
 
-    TabContents* tab_contents =
-      TabContents::FromWebContents(requesting_contents);
-    SetDialog(new ConstrainedWindowMac(tab_contents, this));
+    SetDialog(new ConstrainedWindowMac(requesting_contents, this));
 
     NotifyAuthNeeded();
   }
 
   // Overridden from ConstrainedWindowMacDelegate:
   virtual void DeleteDelegate() {
     DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
 
     // The constrained window is going to delete itself; clear our pointer.
     SetDialog(NULL);
@@ skipping 98 matching lines @@
        sizeToFitFixedWidthTextField:explanationField_];
 
   // Resize the window (no shifting needed due to window layout).
   NSSize windowDelta = NSMakeSize(0, explanationShift);
   [GTMUILocalizerAndLayoutTweaker
       resizeWindowWithoutAutoResizingSubViews:[self window]
                                         delta:windowDelta];
 }
 
 @end