[DevTools] Migrate chrome to devtools_discovery.

chrome/browser/extensions/api/debugger/debugger_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.
 
 // Implements the Chrome Extensions Debugger API.
 
 #include "chrome/browser/extensions/api/debugger/debugger_api.h"
 
 #include <map>
 #include <set>
@@ skipping 13 matching lines @@
 #include "chrome/browser/extensions/api/debugger/debugger_api_constants.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/extensions/extension_tab_util.h"
 #include "chrome/browser/infobars/infobar_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
 #include "chrome/common/chrome_switches.h"
 #include "chrome/grit/generated_resources.h"
 #include "components/infobars/core/confirm_infobar_delegate.h"
 #include "components/infobars/core/infobar.h"
+#include "content/public/browser/browser_thread.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/notification_source.h"
 #include "content/public/browser/render_process_host.h"
 #include "content/public/browser/render_view_host.h"
 #include "content/public/browser/render_widget_host.h"
 #include "content/public/browser/web_contents.h"
 #include "content/public/common/content_client.h"
 #include "content/public/common/url_utils.h"
 #include "extensions/browser/event_router.h"
@@ skipping 681 matching lines @@
 
 }  // namespace
 
 DebuggerGetTargetsFunction::DebuggerGetTargetsFunction() {
 }
 
 DebuggerGetTargetsFunction::~DebuggerGetTargetsFunction() {
 }
 
 bool DebuggerGetTargetsFunction::RunAsync() {
-  DevToolsTargetImpl::EnumerateAllTargets(
-      base::Bind(&DebuggerGetTargetsFunction::SendTargetList, this));
+  std::vector<DevToolsTargetImpl*> list = DevToolsTargetImpl::EnumerateAll();
+  content::BrowserThread::PostTask(
+      content::BrowserThread::UI,
+      FROM_HERE,
+      base::Bind(&DebuggerGetTargetsFunction::SendTargetList, this, list));
   return true;
 }
 
 void DebuggerGetTargetsFunction::SendTargetList(
     const std::vector<DevToolsTargetImpl*>& target_list) {
   scoped_ptr<base::ListValue> result(new base::ListValue());
   for (size_t i = 0; i < target_list.size(); ++i)
     result->Append(SerializeTarget(*target_list[i]));
   STLDeleteContainerPointers(target_list.begin(), target_list.end());
   SetResult(result.release());
   SendResponse(true);
 }
 
 }  // namespace extensions