Remove window.status plumbing, it's unused and the spec says it's a dummy

content/renderer/render_view_impl.h

 // 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.
 
 #ifndef CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 #define CONTENT_RENDERER_RENDER_VIEW_IMPL_H_
 
 #include <stddef.h>
 #include <stdint.h>
 
@@ skipping 289 matching lines @@
                                      blink::WebTextDirection main_text_hint,
                                      base::string16* sub_text,
                                      blink::WebTextDirection sub_text_hint);
   void ShowValidationMessage(const blink::WebRect& anchor_in_viewport,
                              const blink::WebString& main_text,
                              blink::WebTextDirection main_text_hint,
                              const blink::WebString& sub_text,
                              blink::WebTextDirection hint) override;
   void HideValidationMessage() override;
   void MoveValidationMessage(const blink::WebRect& anchor_in_viewport) override;
-  void SetStatusText(const blink::WebString& text) override;
   void SetMouseOverURL(const blink::WebURL& url) override;
   void SetKeyboardFocusURL(const blink::WebURL& url) override;
   bool AcceptsLoadDrops() override;
   void FocusNext() override;
   void FocusPrevious() override;
   void FocusedNodeChanged(const blink::WebNode& fromNode,
                           const blink::WebNode& toNode) override;
   void DidUpdateLayout() override;
 #if defined(OS_ANDROID)
   bool DidTapMultipleTargets(
@@ skipping 508 matching lines @@
   // ---------------------------------------------------------------------------
 
   base::WeakPtrFactory<RenderViewImpl> weak_ptr_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(RenderViewImpl);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_RENDER_VIEW_IMPL_H_