Fix crash when displaying system print dialog on Linux.

content/public/renderer/render_view.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_PUBLIC_RENDERER_RENDER_VIEW_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_VIEW_H_
 
 #include "base/basictypes.h"
 #include "content/common/content_export.h"
 #include "ipc/ipc_message.h"
@@ skipping 46 matching lines @@
   // keeping back/forward history in sync.
   // Note that this is NOT updated for every main frame navigation, only for
   // "regular" navigations that go into session history. In particular, client
   // redirects, like the page cycler uses (document.location.href="foo") do not
   // count as regular navigations and do not increment the page id.
   virtual int GetPageId() const = 0;
 
   // Returns the size of the view.
   virtual gfx::Size GetSize() const = 0;
 
-  // Returns the window we are embedded within.
-  virtual gfx::NativeViewId GetHostWindow() const = 0;
-
   // Gets WebKit related preferences associated with this view.
   virtual webkit_glue::WebPreferences& GetWebkitPreferences() = 0;
 
   // Returns the associated WebView. May return NULL when the view is closing.
   virtual WebKit::WebView* GetWebView() = 0;
 
   // Gets the focused node. If no such node exists then the node will be isNull.
   virtual WebKit::WebNode GetFocusedNode() const = 0;
 
   // Gets the node that the context menu was pressed over.
@@ skipping 48 matching lines @@
   // The client should handle the navigation externally.
   virtual void LoadURLExternally(
       WebKit::WebFrame* frame,
       const WebKit::WebURLRequest& request,
       WebKit::WebNavigationPolicy policy) = 0;
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_VIEW_H_