Introduces DevToolsManagerDelegate.

content/browser/service_worker/service_worker_context_wrapper.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 "content/browser/service_worker/service_worker_context_wrapper.h"
 
 #include "base/files/file_path.h"
 #include "content/browser/service_worker/service_worker_context_core.h"
 #include "content/browser/service_worker/service_worker_context_observer.h"
 #include "content/browser/service_worker/service_worker_process_manager.h"
@@ skipping 18 matching lines @@
   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
     BrowserThread::PostTask(
         BrowserThread::IO,
         FROM_HERE,
         base::Bind(&ServiceWorkerContextWrapper::Init,
                    this,
                    user_data_directory,
                    make_scoped_refptr(quota_manager_proxy)));
     return;
   }
+  observer_list_->AddObserver(this);
   DCHECK(!context_core_);
   context_core_.reset(new ServiceWorkerContextCore(
       user_data_directory,
       quota_manager_proxy,
       observer_list_,
       make_scoped_ptr(new ServiceWorkerProcessManager(this))));
 }
 
 void ServiceWorkerContextWrapper::Shutdown() {
   if (!BrowserThread::CurrentlyOn(BrowserThread::IO)) {
     DCHECK_CURRENTLY_ON(BrowserThread::UI);
     browser_context_ = NULL;
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE,
         base::Bind(&ServiceWorkerContextWrapper::Shutdown, this));
     return;
   }
+  observer_list_->RemoveObserver(this);
   // Breaks the reference cycle through ServiceWorkerProcessManager.
   context_core_.reset();
 }
 
 ServiceWorkerContextCore* ServiceWorkerContextWrapper::context() {
   DCHECK_CURRENTLY_ON(BrowserThread::IO);
   return context_core_.get();
 }
 
 static void FinishRegistrationOnIO(
@@ skipping 54 matching lines @@
                    pattern,
                    continuation));
     return;
   }
 
   context()->UnregisterServiceWorker(
       pattern,
       base::Bind(&FinishUnregistrationOnIO, continuation));
 }
 
+void ServiceWorkerContextWrapper::AddStatusChangeObserver(
+    StatusChangeObserver* observer) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  status_change_observers_.AddObserver(observer);
+}
+
+void ServiceWorkerContextWrapper::RemoveStatusChangeObserver(
+    StatusChangeObserver* observer) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  status_change_observers_.RemoveObserver(observer);
+}
+
 void ServiceWorkerContextWrapper::AddObserver(
     ServiceWorkerContextObserver* observer) {
   observer_list_->AddObserver(observer);
 }
 
 void ServiceWorkerContextWrapper::RemoveObserver(
     ServiceWorkerContextObserver* observer) {
   observer_list_->RemoveObserver(observer);
 }
 
+void ServiceWorkerContextWrapper::GetRunningServiceWorkerInfo(
+    const GetRunningServiceWorkerInfoCallback& callback) {
+  // TODO(horo): Implement this.
+  NOTIMPLEMENTED();
+}
+
+void ServiceWorkerContextWrapper::OnWorkerStarted(int64 version_id,
+                                                  int process_id,
+                                                  int thread_id) {
+  NotifyStatusChangeObservers();
+}
+
+void ServiceWorkerContextWrapper::OnWorkerStopped(int64 version_id,
+                                                  int process_id,
+                                                  int thread_id) {
+  NotifyStatusChangeObservers();
+}
+
+void ServiceWorkerContextWrapper::OnVersionStateChanged(int64 version_id) {

[michaeln, 2014/05/05 21:01:15]

does the devtools use case care about this one?

+  NotifyStatusChangeObservers();
+}
+
+void ServiceWorkerContextWrapper::NotifyStatusChangeObservers() {
+  if (!BrowserThread::CurrentlyOn(BrowserThread::UI)) {
+    BrowserThread::PostTask(
+        BrowserThread::UI,
+        FROM_HERE,
+        base::Bind(&ServiceWorkerContextWrapper::NotifyStatusChangeObservers,
+                   this));
+    return;
+  }
+  DCHECK_CURRENTLY_ON(BrowserThread::UI);
+  FOR_EACH_OBSERVER(
+      StatusChangeObserver, status_change_observers_, OnStatusChanged());
+}
+
 }  // namespace content