[DevTools] Migrate chrome to devtools_discovery.

chrome/browser/devtools/chrome_devtools_discovery_provider.cc

+// Copyright 2015 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/devtools/chrome_devtools_discovery_provider.h"
+
+#include "chrome/browser/devtools/devtools_target_impl.h"
+#include "chrome/browser/profiles/profile_manager.h"
+#include "chrome/browser/ui/browser_navigator.h"
+
+namespace {
+
+scoped_ptr<devtools_discovery::DevToolsTargetDescriptor>
+CreateNewChromeTab(const GURL& url) {
+  chrome::NavigateParams params(ProfileManager::GetLastUsedProfile(),
+      url, ui::PAGE_TRANSITION_AUTO_TOPLEVEL);
+  params.disposition = NEW_FOREGROUND_TAB;
+  chrome::Navigate(&params);
+  if (!params.target_contents)
+    return scoped_ptr<devtools_discovery::DevToolsTargetDescriptor>();
+  return DevToolsTargetImpl::CreateForTab(params.target_contents).Pass();
+}
+
+}  // namespace
+
+ChromeDevToolsDiscoveryProvider::ChromeDevToolsDiscoveryProvider() {
+}
+
+ChromeDevToolsDiscoveryProvider::~ChromeDevToolsDiscoveryProvider() {
+}
+
+devtools_discovery::DevToolsTargetDescriptor::List
+ChromeDevToolsDiscoveryProvider::GetDescriptors() {
+  std::vector<DevToolsTargetImpl*> list = DevToolsTargetImpl::EnumerateAll();
+  devtools_discovery::DevToolsTargetDescriptor::List result;
+  result.reserve(list.size());
+  for (const auto& descriptor : list)
+    result.push_back(descriptor);
+  return result;
+}
+
+// static
+void ChromeDevToolsDiscoveryProvider::Install() {
+  devtools_discovery::DevToolsDiscoveryManager* discovery_manager =
+      devtools_discovery::DevToolsDiscoveryManager::GetInstance();
+  discovery_manager->AddProvider(
+      make_scoped_ptr(new ChromeDevToolsDiscoveryProvider()));
+  discovery_manager->SetCreateCallback(base::Bind(&CreateNewChromeTab));
+}