Introduce runtime.onSuspendCanceled() event.

chrome/browser/extensions/api/runtime/runtime_api.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/extensions/api/runtime/runtime_api.h"
 
 #include "chrome/common/extensions/extension.h"
 #include "chrome/browser/extensions/extension_event_router.h"
 #include "chrome/browser/extensions/extension_host.h"
 #include "chrome/browser/extensions/extension_process_manager.h"
@@ skipping 23 matching lines @@
   // However, since the extension has just been installed, it hasn't had a
   // chance to register for events. So we register on its behalf. If the
   // extension does not actually have a listener, the event will just be
   // ignored.
   system->event_router()->AddLazyEventListener(kOnInstalledEvent, extension_id);
   system->event_router()->DispatchEventToExtension(
       extension_id, kOnInstalledEvent, "[]", NULL, GURL());
 }
 
 bool RuntimeGetBackgroundPageFunction::RunImpl() {
-  ExtensionHost* host =
-      ExtensionSystem::Get(profile())->process_manager()->
-          GetBackgroundHostForExtension(extension_id());
-  if (host) {
-    OnPageLoaded(host);
-  } else if (GetExtension()->has_lazy_background_page()) {
-    ExtensionSystem::Get(profile())->lazy_background_task_queue()->
-        AddPendingTask(
-           profile(), extension_id(),
-           base::Bind(&RuntimeGetBackgroundPageFunction::OnPageLoaded,
-                      this));
-  } else {
-    error_ = kNoBackgroundPageError;

[Matt Perry, 2012/07/24 19:25:15]

We lost this error in the transition. Could you add it back before adding the
task: if (!GetExtension()->has_background_page()) error_ = kNoBg;

-    return false;
-  }
+  ExtensionSystem::Get(profile())->lazy_background_task_queue()->
+      AddPendingTask(
+          profile(), extension_id(),
+          base::Bind(&RuntimeGetBackgroundPageFunction::OnPageLoaded,
+                    this));
 
   return true;
 }
 
 void RuntimeGetBackgroundPageFunction::OnPageLoaded(ExtensionHost* host) {
   if (host) {
     SendResponse(true);
   } else {
     error_ = kPageLoadError;
     SendResponse(false);
   }
 }
 
 }   // namespace extensions