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

chrome/browser/tab_contents/tab_contents.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_TAB_CONTENTS_TAB_CONTENTS_H_
 #define CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_
 #pragma once
 
 #include <deque>
 #include <map>
@@ skipping 290 matching lines @@
 
   // Internal state ------------------------------------------------------------
 
   // This flag indicates whether the tab contents is currently being
   // screenshotted by the DraggedTabController.
   bool capturing_contents() const { return capturing_contents_; }
   void set_capturing_contents(bool cap) { capturing_contents_ = cap; }
 
   // Indicates whether this tab should be considered crashed. The setter will
   // also notify the delegate when the flag is changed.
-  bool is_crashed() const { return is_crashed_; }
-  void SetIsCrashed(bool state);
+  bool is_crashed() const {
+    return (crashed_status_ == base::TERMINATION_STATUS_PROCESS_CRASHED ||
+            crashed_status_ == base::TERMINATION_STATUS_ABNORMAL_TERMINATION ||
+            crashed_status_ == base::TERMINATION_STATUS_PROCESS_WAS_KILLED);
+  }
+  base::TerminationStatus crashed_status() const { return crashed_status_; }
+  int crashed_error_code() const { return crashed_error_code_; }
+  void SetIsCrashed(base::TerminationStatus status, int error_code);
 
   // Call this after updating a page action to notify clients about the changes.
   void PageActionStateChanged();
 
   // Whether the tab is in the process of being destroyed.
   // Added as a tentative work-around for focus related bug #4633.  This allows
   // us not to store focus when a tab is being closed.
   bool is_being_destroyed() const { return is_being_destroyed_; }
 
   // Convenience method for notifying the delegate of a navigation state
@@ skipping 622 matching lines @@
   virtual RenderViewHostDelegate::AutoFill* GetAutoFillDelegate();
   virtual RenderViewHostDelegate::SSL* GetSSLDelegate();
   virtual RenderViewHostDelegate::FileSelect* GetFileSelectDelegate();
   virtual AutomationResourceRoutingDelegate*
       GetAutomationResourceRoutingDelegate();
   virtual TabContents* GetAsTabContents();
   virtual ViewType::Type GetRenderViewType() const;
   virtual int GetBrowserWindowID() const;
   virtual void RenderViewCreated(RenderViewHost* render_view_host);
   virtual void RenderViewReady(RenderViewHost* render_view_host);
-  virtual void RenderViewGone(RenderViewHost* render_view_host);
+  virtual void RenderViewGone(RenderViewHost* render_view_host,
+                              base::TerminationStatus status,
+                              int error_code);
   virtual void RenderViewDeleted(RenderViewHost* render_view_host);
   virtual void DidNavigate(RenderViewHost* render_view_host,
                            const ViewHostMsg_FrameNavigate_Params& params);
   virtual void UpdateState(RenderViewHost* render_view_host,
                            int32 page_id,
                            const std::string& state);
   virtual void UpdateTitle(RenderViewHost* render_view_host,
                            int32 page_id,
                            const std::wstring& title);
   virtual void UpdateEncoding(RenderViewHost* render_view_host,
@@ skipping 167 matching lines @@
 
   // RenderViewHost::ContentSettingsDelegate.
   scoped_ptr<TabSpecificContentSettings> content_settings_delegate_;
 
   // Data for loading state ----------------------------------------------------
 
   // Indicates whether we're currently loading a resource.
   bool is_loading_;
 
   // Indicates if the tab is considered crashed.
-  bool is_crashed_;
+  base::TerminationStatus crashed_status_;
+  int crashed_error_code_;
 
   // See waiting_for_response() above.
   bool waiting_for_response_;
 
   // Indicates the largest PageID we've seen.  This field is ignored if we are
   // a TabContents, in which case the max page ID is stored separately with
   // each SiteInstance.
   // TODO(brettw) this seems like it can be removed according to the comment.
   int32 max_page_id_;
 
@@ skipping 171 matching lines @@
   // Content restrictions, used to disable print/copy etc based on content's
   // (full-page plugins for now only) permissions.
   int content_restrictions_;
 
   // ---------------------------------------------------------------------------
 
   DISALLOW_COPY_AND_ASSIGN(TabContents);
 };
 
 #endif  // CHROME_BROWSER_TAB_CONTENTS_TAB_CONTENTS_H_