Move Sad Tab implementation out of the TabContentsViews.

content/browser/renderer_host/render_widget_host_view_win.cc

 // Copyright (c) 2011 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 "content/browser/renderer_host/render_widget_host_view_win.h"
 
 #include <algorithm>
 
 #include "base/command_line.h"
 #include "base/i18n/rtl.h"
@@ skipping 775 matching lines @@
     ScrollWindowEx(scroll_dx, scroll_dy, NULL, &clip_rect, NULL, NULL,
                    SW_INVALIDATE);
   }
 
   if (!about_to_validate_and_paint_)
     Redraw();
 }
 
 void RenderWidgetHostViewWin::RenderViewGone(base::TerminationStatus status,
                                              int error_code) {
-  // TODO(darin): keep this around, and draw sad-tab into it.
   UpdateCursorIfOverSelf();
   Destroy();
 }
 
 void RenderWidgetHostViewWin::WillWmDestroy() {
   CleanupCompositorWindow();
 }
 
 void RenderWidgetHostViewWin::Destroy() {
   // We've been told to destroy.
@@ skipping 1623 matching lines @@
 
   size_t offset = selection_range_.GetMin() - selection_text_offset_;
   memcpy(reinterpret_cast<char*>(reconv) + sizeof(RECONVERTSTRING),
          selection_text_.c_str() + offset, len * sizeof(WCHAR));
 
   // According to Microsft API document, IMR_RECONVERTSTRING and
   // IMR_DOCUMENTFEED should return reconv, but some applications return
   // need_size.
   return reinterpret_cast<LRESULT>(reconv);
 }