Prune shared extendion module after extension updating.

chrome/browser/extensions/error_console/error_console.cc

 // Copyright 2013 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/extensions/error_console/error_console.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
@@ skipping 208 matching lines @@
   CheckEnabled();
 }
 
 void ErrorConsole::OnExtensionLoaded(content::BrowserContext* browser_context,
                                      const Extension* extension) {
   CheckEnabled();
 }
 
 void ErrorConsole::OnExtensionInstalled(
     content::BrowserContext* browser_context,
-    const Extension* extension) {
+    const Extension* extension,
+    bool is_update) {
   // We don't want to have manifest errors from previous installs. We want
   // to keep runtime errors, though, because extensions are reloaded on a
   // refresh of chrome:extensions, and we don't want to wipe our history
   // whenever that happens.
   errors_.RemoveErrorsForExtensionOfType(extension->id(),
                                          ExtensionError::MANIFEST_ERROR);
   AddManifestErrorsForExtension(extension);
 }
 
 void ErrorConsole::OnExtensionUninstalled(
@@ skipping 37 matching lines @@
       ExtensionRegistry::Get(profile_)->GetExtensionById(
           extension_id, ExtensionRegistry::EVERYTHING);
   if (extension && extension->location() == Manifest::UNPACKED)
     return (1 << ExtensionError::NUM_ERROR_TYPES) - 1;
 
   // Otherwise, use the default mask.
   return default_mask_;
 }
 
 }  // namespace extensions