Initial work on making extensions work in incognito mode.

chrome/browser/cocoa/extensions/browser_actions_controller.mm

 // 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 "browser_actions_controller.h"
 
 #include <string>
 
 #include "base/sys_string_conversions.h"
 #include "chrome/browser/browser.h"
@@ skipping 12 matching lines @@
 extern const CGFloat kBrowserActionButtonPadding = 3;
 
 NSString* const kBrowserActionsChangedNotification = @"BrowserActionsChanged";
 
 @interface BrowserActionsController(Private)
 - (void)createActionButtonForExtension:(Extension*)extension
                              withIndex:(int)index;
 - (void)removeActionButtonForExtension:(Extension*)extension;
 - (void)repositionActionButtons;
 - (int)currentTabId;
+- (bool)shouldDisplayBrowserAction:(Extension*)extension;
 @end
 
 // A helper class to proxy extension notifications to the view controller's
 // appropriate methods.
 class ExtensionsServiceObserverBridge : public NotificationObserver,
                                         public ExtensionToolbarModel::Observer {
  public:
   ExtensionsServiceObserverBridge(BrowserActionsController* owner,
                                   Profile* profile) : owner_(owner) {
     registrar_.Add(this, NotificationType::EXTENSION_HOST_VIEW_SHOULD_CLOSE,
@@ skipping 89 matching lines @@
        iter != toolbarModel_->end(); ++iter) {
     [self createActionButtonForExtension:*iter withIndex:i++];
   }
 }
 
 - (void)createActionButtonForExtension:(Extension*)extension
                              withIndex:(int)index {
   if (!extension->browser_action())
     return;
 
+  if (![self shouldDisplayBrowserAction:extension])
+    return;
+
   // Show the container if it's the first button. Otherwise it will be shown
   // already.
   if ([buttons_ count] == 0)
     [containerView_ setHidden:NO];
 
   BrowserActionButton* newButton = [[[BrowserActionButton alloc]
       initWithExtension:extension
                 profile:profile_
                   tabId:[self currentTabId]] autorelease];
   [newButton setTarget:self];
@@ skipping 107 matching lines @@
       return button;
   }
   NOTREACHED();
   return nil;
 }
 
 - (NSButton*)buttonWithIndex:(int)index {
   return [buttonOrder_ objectAtIndex:(NSUInteger)index];
 }
 
+- (bool)shouldDisplayBrowserAction:(Extension*)extension {
+  return (!profile_->IsOffTheRecord() ||
+          profile_->GetExtensionsService()->
+              IsIncognitoEnabled(extension->id()));
+}
+
 @end