Clear the background_page_ready flag in DisableExtension.

chrome/browser/extensions/extension_service.cc

 // Copyright (c) 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/extension_service.h"
 
 #include <algorithm>
 #include <iterator>
 #include <set>
 
@@ skipping 948 matching lines @@
   }
 
   extension_prefs_->SetExtensionState(extension_id, Extension::DISABLED);
   extension_prefs_->AddDisableReason(extension_id, disable_reason);
 
   int include_mask = INCLUDE_EVERYTHING & ~INCLUDE_DISABLED;
   extension = GetExtensionById(extension_id, include_mask);
   if (!extension)
     return;
 
+  // Reset the background_page_ready flag
+  if (extensions::BackgroundInfo::HasBackgroundPage(extension))

[Matt Perry, 2013/04/19 18:50:44]

nit: remove the if. Should be harmless to clear the bool regardless.

+    extension_runtime_data_[extension->id()].background_page_ready = false;
+
   // Move it over to the disabled list. Don't send a second unload notification
   // for terminated extensions being disabled.
   disabled_extensions_.Insert(make_scoped_refptr(extension));
   if (extensions_.Contains(extension->id())) {
     extensions_.Remove(extension->id());
     NotifyExtensionUnloaded(extension, extension_misc::UNLOAD_REASON_DISABLE);
   } else {
     terminated_extensions_.Remove(extension->id());
   }
 
@@ skipping 2105 matching lines @@
 }
 
 void ExtensionService::AddUpdateObserver(extensions::UpdateObserver* observer) {
   update_observers_.AddObserver(observer);
 }
 
 void ExtensionService::RemoveUpdateObserver(
     extensions::UpdateObserver* observer) {
   update_observers_.RemoveObserver(observer);
 }