Remove WebContents methods that duplicate WebContentsView methods.

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/api/infobars/infobar_service.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_infobar_delegate.h"
 #include "chrome/browser/extensions/image_loader.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.h"
 #include "chrome/browser/ui/cocoa/infobars/infobar.h"
 #import "chrome/browser/ui/cocoa/menu_button.h"
 #include "chrome/common/extensions/extension.h"
 #include "chrome/common/extensions/extension_constants.h"
 #include "chrome/common/extensions/extension_icon_set.h"
 #include "chrome/common/extensions/extension_resource.h"
 #include "content/public/browser/web_contents.h"
+#include "content/public/browser/web_contents_view.h"
 #include "grit/theme_resources.h"
 #include "skia/ext/skia_utils_mac.h"
 #include "ui/base/resource/resource_bundle.h"
 #include "ui/gfx/canvas.h"
 #include "ui/gfx/image/image.h"
 
 namespace {
 const CGFloat kAnimationDuration = 0.12;
 const CGFloat kBottomBorderHeightPx = 1.0;
 const CGFloat kButtonHeightPx = 26.0;
@@ skipping 232 matching lines @@
 }
 
 - (void)setButtonImage:(NSImage*)image {
   [dropdownButton_ setImage:image];
 }
 
 @end
 
 InfoBar* ExtensionInfoBarDelegate::CreateInfoBar(InfoBarService* owner) {
   NSWindow* window =
-      [(NSView*)owner->GetWebContents()->GetContentNativeView() window];
+      [(NSView*)owner->GetWebContents()->GetView()->GetContentNativeView()
+          window];
   ExtensionInfoBarController* controller =
       [[ExtensionInfoBarController alloc] initWithDelegate:this
                                                      owner:owner
                                                     window:window];
   return new InfoBar(controller, this);
 }