This adds some plumbing for propagating the reason for a renderer's death

chrome/browser/renderer_host/render_widget_host_view.h

 // Copyright (c) 2010 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 CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_H_
 #define CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_H_
 #pragma once
 
 #if defined(OS_MACOSX)
 #include <OpenGL/OpenGL.h>
 #endif
 
 #include <string>
 #include <vector>
 
 #include "app/surface/transport_dib.h"
+#include "base/process_util.h"
 #include "gfx/native_widget_types.h"
 #include "gfx/rect.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebPopupType.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebTextInputType.h"
 
 namespace gfx {
 class Rect;
 class Size;
 }
@@ skipping 117 matching lines @@
   // other hand, if this always blindly paints, then if we're already in the
   // midst of a paint on the callstack, we can double-paint unnecessarily.
   // (Worse, we might recursively call RenderWidgetHost::GetBackingStore().)
   // Thus implementers should generally paint as much of |rect| as possible
   // synchronously with as little overpainting as possible.
   virtual void DidUpdateBackingStore(
       const gfx::Rect& scroll_rect, int scroll_dx, int scroll_dy,
       const std::vector<gfx::Rect>& copy_rects) = 0;
 
   // Notifies the View that the renderer has ceased to exist.
-  virtual void RenderViewGone() = 0;
+  virtual void RenderViewGone(base::TerminationStatus status,
+                              int error_code) = 0;
 
   // Notifies the View that the renderer will be delete soon.
   virtual void WillDestroyRenderWidget(RenderWidgetHost* rwh) = 0;
 
   // Tells the View to destroy itself.
   virtual void Destroy() = 0;
 
   // Tells the View that the tooltip text for the current mouse position over
   // the page has changed.
   virtual void SetTooltipText(const std::wstring& tooltip_text) = 0;
@@ skipping 134 matching lines @@
 
   // The current reserved area in view coordinates where contents should not be
   // rendered to draw the resize corner, sidebar mini tabs etc.
   gfx::Rect reserved_rect_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderWidgetHostView);
 };
 
 #endif  // CHROME_BROWSER_RENDERER_HOST_RENDER_WIDGET_HOST_VIEW_H_