Make DevTools support for the embedded SharedWorker.

content/browser/shared_worker/shared_worker_host.cc

 // Copyright 2014 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/shared_worker/shared_worker_host.h"
 
 #include "base/metrics/histogram.h"
+#include "content/browser/devtools/shared_worker_devtools_manager.h"
 #include "content/browser/frame_host/render_frame_host_delegate.h"
 #include "content/browser/frame_host/render_frame_host_impl.h"
 #include "content/browser/message_port_service.h"
 #include "content/browser/shared_worker/shared_worker_instance.h"
 #include "content/browser/shared_worker/shared_worker_message_filter.h"
+#include "content/browser/shared_worker/shared_worker_service_impl.h"
 #include "content/browser/worker_host/worker_document_set.h"
 #include "content/common/view_messages.h"
 #include "content/common/worker_messages.h"
 #include "content/public/browser/browser_thread.h"
 #include "content/public/browser/content_browser_client.h"
+#include "content/public/browser/render_process_host.h"
 #include "content/public/common/content_client.h"
 
 namespace content {
 namespace {
 
 // Notifies RenderViewHost that one or more worker objects crashed.
 void WorkerCrashCallback(int render_process_unique_id, int render_frame_id) {
   RenderFrameHostImpl* host =
       RenderFrameHostImpl::FromID(render_process_unique_id, render_frame_id);
   if (host)
     host->delegate()->WorkerCrashed(host);
 }
 
+void NotifyWorkerScriptLoadedOnUI(int worker_process_id, int worker_route_id) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  SharedWorkerDevToolsManager::GetInstance()->WorkerContextStarted(
+      worker_process_id, worker_route_id);
+}
+
+void NotifyWorkerDestroyedOnUI(int worker_process_id, int worker_route_id) {
+  DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
+  SharedWorkerDevToolsManager::GetInstance()->WorkerDestroyed(worker_process_id,
+                                                              worker_route_id);
+}
+
 }  // namespace
 
-SharedWorkerHost::SharedWorkerHost(SharedWorkerInstance* instance)
+SharedWorkerHost::SharedWorkerHost(SharedWorkerInstance* instance,
+                                   SharedWorkerMessageFilter* filter)
     : instance_(instance),
       worker_document_set_(new WorkerDocumentSet()),
-      container_render_filter_(NULL),
-      worker_route_id_(MSG_ROUTING_NONE),
+      container_render_filter_(filter),
+      worker_process_id_(filter->render_process_id()),
+      worker_route_id_(filter->GetNextRoutingID()),
       load_failed_(false),
       closed_(false),
       creation_time_(base::TimeTicks::Now()) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
 }
 
 SharedWorkerHost::~SharedWorkerHost() {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::IO));
   UMA_HISTOGRAM_LONG_TIMES("SharedWorker.TimeToDeleted",
                            base::TimeTicks::Now() - creation_time_);
   // If we crashed, tell the RenderViewHosts.
   if (instance_ && !load_failed_) {
     const WorkerDocumentSet::DocumentInfoSet& parents =
         worker_document_set_->documents();
     for (WorkerDocumentSet::DocumentInfoSet::const_iterator parent_iter =
              parents.begin();
          parent_iter != parents.end();
          ++parent_iter) {
       BrowserThread::PostTask(BrowserThread::UI,
                               FROM_HERE,
                               base::Bind(&WorkerCrashCallback,
                                          parent_iter->render_process_id(),
                                          parent_iter->render_frame_id()));
     }
   }
+  BrowserThread::PostTask(
+      BrowserThread::UI,
+      FROM_HERE,
+      base::Bind(
+          &NotifyWorkerDestroyedOnUI, worker_process_id_, worker_route_id_));
+  SharedWorkerServiceImpl::GetInstance()->NotifyWorkerDestroyed(
+      worker_process_id_, worker_route_id_);
 }
 
 bool SharedWorkerHost::Send(IPC::Message* message) {
   if (!container_render_filter_) {
     delete message;
     return false;
   }
   return container_render_filter_->Send(message);
 }
 
-void SharedWorkerHost::Init(SharedWorkerMessageFilter* filter) {
-  CHECK(instance_);
-  DCHECK(worker_route_id_ == MSG_ROUTING_NONE);
-  container_render_filter_ = filter;
-  worker_route_id_ = filter->GetNextRoutingID();
-
+void SharedWorkerHost::Start(bool pause_on_start) {
   WorkerProcessMsg_CreateWorker_Params params;
   params.url = instance_->url();
   params.name = instance_->name();
   params.content_security_policy = instance_->content_security_policy();
   params.security_policy_type = instance_->security_policy_type();
+  params.pause_on_start = pause_on_start;
   params.route_id = worker_route_id_;
   Send(new WorkerProcessMsg_CreateWorker(params));
 
   for (FilterList::const_iterator i = filters_.begin(); i != filters_.end();
        ++i) {
     i->filter()->Send(new ViewMsg_WorkerCreated(i->route_id()));
   }
 }
 
 bool SharedWorkerHost::FilterMessage(const IPC::Message& message,
@@ skipping 42 matching lines @@
 }
 
 void SharedWorkerHost::WorkerContextDestroyed() {
   if (!instance_)
     return;
   instance_.reset();
   worker_document_set_ = NULL;
 }
 
 void SharedWorkerHost::WorkerScriptLoaded() {
-  // TODO(horo): implement this.
   UMA_HISTOGRAM_TIMES("SharedWorker.TimeToScriptLoaded",
                       base::TimeTicks::Now() - creation_time_);
+  BrowserThread::PostTask(
+      BrowserThread::UI,
+      FROM_HERE,
+      base::Bind(
+          &NotifyWorkerScriptLoadedOnUI, worker_process_id_, worker_route_id_));
 }
 
 void SharedWorkerHost::WorkerScriptLoadFailed() {
   UMA_HISTOGRAM_TIMES("SharedWorker.TimeToScriptLoadFailed",
                       base::TimeTicks::Now() - creation_time_);
   if (!instance_)
     return;
   load_failed_ = true;
   for (FilterList::const_iterator i = filters_.begin(); i != filters_.end();
        ++i) {
@@ skipping 136 matching lines @@
                                         int message_port_id) {
   for (FilterList::iterator i = filters_.begin(); i != filters_.end(); ++i) {
     if (i->filter() == filter && i->route_id() == route_id) {
       i->set_message_port_id(message_port_id);
       return;
     }
   }
 }
 
 }  // namespace content