Nukes USE_AURA ifdefs from views

ui/views/controls/webview/webview.cc

 // 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.
 
 #include "ui/views/controls/webview/webview.h"
 
 #include "content/public/browser/browser_accessibility_state.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/navigation_controller.h"
 #include "content/public/browser/render_view_host.h"
@@ skipping 236 matching lines @@
     web_contents()->SetParentNativeViewAccessible(
         parent()->GetNativeViewAccessible());
   }
 #endif
 }
 
 void WebView::DetachWebContents() {
   if (web_contents()) {
     wcv_holder_->Detach();
 #if defined(OS_WIN)
-    if (!is_embedding_fullscreen_widget_) {
-#if !defined(USE_AURA)
-      // TODO(beng): This should either not be necessary, or be done implicitly
-      // by NativeViewHostWin on Detach(). As it stands, this is needed so that
-      // the of the detached contents knows to tell the renderer it's been
-      // hidden.
-      //
-      // Moving this out of here would also mean we wouldn't be potentially
-      // calling member functions on a half-destroyed WebContents.
-      ShowWindow(web_contents()->GetView()->GetNativeView(), SW_HIDE);
-#else
+    if (!is_embedding_fullscreen_widget_)
       web_contents()->SetParentNativeViewAccessible(NULL);
 #endif
-    }
-#endif
   }
 }
 
 void WebView::ReattachForFullscreenChange(bool enter_fullscreen) {
   DetachWebContents();
   is_embedding_fullscreen_widget_ = enter_fullscreen &&
       web_contents() && web_contents()->GetFullscreenRenderWidgetHostView();
   AttachWebContents();
 }
 
 content::WebContents* WebView::CreateWebContents(
       content::BrowserContext* browser_context) {
   content::WebContents* contents = NULL;
   if (ViewsDelegate::views_delegate) {
     contents = ViewsDelegate::views_delegate->CreateWebContents(
         browser_context, NULL);
   }
 
   if (!contents) {
     content::WebContents::CreateParams create_params(
         browser_context, NULL);
     return content::WebContents::Create(create_params);
   }
 
   return contents;
 }
 
 }  // namespace views