Add "UninstallReason" parameter to ExtensionRegistryObserver::OnExtensionUninstalled.

chrome/browser/performance_monitor/performance_monitor.cc

 // 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.
 
 #include "chrome/browser/performance_monitor/performance_monitor.h"
 
 #include <set>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 576 matching lines @@
 
       // Check if the reason for the install was due to a successful
       // extension update. |extension| is NULL in case of install failure.
       if (extension &&
           installer->install_cause() == extension_misc::INSTALL_CAUSE_UPDATE) {
         AddExtensionEvent(EVENT_EXTENSION_UPDATE, extension);
       }
       break;
     }
     case chrome::NOTIFICATION_EXTENSION_UNINSTALLED_DEPRECATED: {
-      AddExtensionEvent(EVENT_EXTENSION_UNINSTALL,
-                        content::Details<Extension>(details).ptr());
+      extensions::UninstalledExtensionInfo* info =
+          content::Details<extensions::UninstalledExtensionInfo>(details).ptr();
+      AddExtensionEvent(EVENT_EXTENSION_UNINSTALL, info->extension);
       break;
     }
     case content::NOTIFICATION_RENDER_WIDGET_HOST_HANG: {
       std::string url;
       content::RenderWidgetHost* widget =
           content::Source<content::RenderWidgetHost>(source).ptr();
       if (widget->IsRenderView()) {
         content::RenderViewHost* view = content::RenderViewHost::From(widget);
         MaybeGetURLFromRenderView(view, &url);
       }
@@ skipping 96 matching lines @@
     if (!url_list.empty())
       url_list += ", ";
 
     url_list += url;
   }
 
   AddEvent(util::CreateRendererFailureEvent(base::Time::Now(), type, url_list));
 }
 
 }  // namespace performance_monitor