Abstract base 'ExtensionView' to Fix DEPS violation in extension_view_host.h

chrome/browser/ui/cocoa/infobars/extension_infobar_controller.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/infobars/extension_infobar_controller.h"
 
 #include <cmath>
 
 #include "chrome/browser/extensions/extension_infobar_delegate.h"
+#include "chrome/browser/extensions/extension_view.h"
 #include "chrome/browser/extensions/extension_view_host.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/browser_finder.h"
 #import "chrome/browser/ui/cocoa/animatable_view.h"
 #import "chrome/browser/ui/cocoa/extensions/extension_action_context_menu_controller.h"
 #include "chrome/browser/ui/cocoa/infobars/infobar_cocoa.h"
 #import "chrome/browser/ui/cocoa/menu_button.h"
 #include "content/public/browser/web_contents.h"
 #include "extensions/browser/image_loader.h"
@@ skipping 126 matching lines @@
 
 - (void)dealloc {
   [[NSNotificationCenter defaultCenter] removeObserver:self];
   [super dealloc];
 }
 
 - (void)addAdditionalControls {
   [self removeButtons];
 
   extensionView_ = [self delegate]->AsExtensionInfoBarDelegate()
-      ->extension_view_host()->view()->native_view();
+      ->extension_view_host()->view()->GetNativeView();
 
   // Add the extension's RenderWidgetHostView to the view hierarchy of the
   // InfoBar and make sure to place it below the Close button.
   [infoBarView_ addSubview:extensionView_
                 positioned:NSWindowBelow
                 relativeTo:(NSView*)closeButton_];
 
   // Add the context menu button to the hierarchy.
   [dropdownButton_ setShowsBorderOnlyWhileMouseInside:YES];
   CGFloat buttonY =
@@ skipping 94 matching lines @@
 // static
 scoped_ptr<infobars::InfoBar> ExtensionInfoBarDelegate::CreateInfoBar(
     scoped_ptr<ExtensionInfoBarDelegate> delegate) {
   scoped_ptr<InfoBarCocoa> infobar(
       new InfoBarCocoa(delegate.PassAs<infobars::InfoBarDelegate>()));
   base::scoped_nsobject<ExtensionInfoBarController> controller(
       [[ExtensionInfoBarController alloc] initWithInfoBar:infobar.get()]);
   infobar->set_controller(controller);
   return infobar.PassAs<infobars::InfoBar>();
 }