Disable proxy config button and show banner if proxy prefs are managed.

chrome/browser/cocoa/preferences_window_controller.h

 // Copyright (c) 2010 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 <Cocoa/Cocoa.h>
 
 #include "base/scoped_ptr.h"
 #include "base/scoped_nsobject.h"
 #include "chrome/browser/options_window.h"
 #include "chrome/browser/pref_member.h"
+#include "chrome/browser/pref_set_observer.h"
 
 namespace PreferencesWindowControllerInternal {
 class PrefObserverBridge;
 class ManagedPrefsBannerState;
 }
 
 @class CustomHomePagesModel;
 @class FontLanguageSettingsController;
 class PrefService;
 class Profile;
@@ skipping 95 matching lines @@
   IBOutlet NSButton* downloadLocationButton_;
   StringPrefMember defaultDownloadLocation_;
   BooleanPrefMember askForSaveLocation_;
   IBOutlet NSButton* resetFileHandlersButton_;
   StringPrefMember autoOpenFiles_;
   BooleanPrefMember translateEnabled_;
   BooleanPrefMember tabsToLinks_;
   FontLanguageSettingsController* fontLanguageSettings_;
   StringPrefMember currentTheme_;
   IBOutlet NSButton* enableLoggingCheckbox_;
+  scoped_ptr<PrefSetObserver> proxyPrefs_;
+  BOOL proxiesConfigureButtonEnabled_;
 }
 
 // Designated initializer. |profile| should not be NULL.
 - (id)initWithProfile:(Profile*)profile initialPage:(OptionsPage)initialPage;
 
 // Show the preferences window.
 - (void)showPreferences:(id)sender;
 
 // Switch to the given preference page.
 - (void)switchToPage:(OptionsPage)page animate:(BOOL)animate;
@@ skipping 27 matching lines @@
 - (IBAction)changeFontAndLanguageSettings:(id)sender;
 - (IBAction)openProxyPreferences:(id)sender;
 - (IBAction)showCertificates:(id)sender;
 - (IBAction)resetToDefaults:(id)sender;
 
 // When a toolbar button is clicked
 - (IBAction)toolbarButtonSelected:(id)sender;
 
 // Usable from cocoa bindings to hook up the custom home pages table.
 @property (nonatomic, readonly) CustomHomePagesModel* customPagesSource;
+@property (assign, nonatomic) BOOL proxiesConfigureButtonEnabled;
 
 @end
 
 @interface PreferencesWindowController(Testing)
 
 - (IntegerPrefMember*)lastSelectedPage;
 - (NSToolbar*)toolbar;
 - (NSView*)basicsView;
 - (NSView*)personalStuffView;
 - (NSView*)underTheHoodView;
 
 // Converts the given OptionsPage value (which may be OPTIONS_PAGE_DEFAULT)
 // into a concrete OptionsPage value.
 - (OptionsPage)normalizePage:(OptionsPage)page;
 
 // Returns the toolbar item corresponding to the given page.  Should be
 // called only after awakeFromNib is.
 - (NSToolbarItem*)getToolbarItemForPage:(OptionsPage)page;
 
 // Returns the (normalized) page corresponding to the given toolbar item.
 // Should be called only after awakeFromNib is.
 - (OptionsPage)getPageForToolbarItem:(NSToolbarItem*)toolbarItem;
 
 // Returns the view corresponding to the given page.  Should be called
 // only after awakeFromNib is.
 - (NSView*)getPrefsViewForPage:(OptionsPage)page;
 
 @end