arc: Use incognito profile for OptIn and cookie fetcher

chrome/browser/extensions/api/messaging/arc_support_host.cc

Index: chrome/browser/extensions/api/messaging/arc_support_host.cc
diff --git a/chrome/browser/extensions/api/messaging/arc_support_host.cc b/chrome/browser/extensions/api/messaging/arc_support_host.cc
new file mode 100644
index 0000000000000000000000000000000000000000..b54489b60d77ab7f402fa2dd342c98fddf65a373
--- /dev/null
+++ b/chrome/browser/extensions/api/messaging/arc_support_host.cc
@@ -0,0 +1,83 @@
+// Copyright 2016 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 "arc_support_host.h"
+#include "base/json/json_reader.h"
+#include "base/json/json_writer.h"
+#include "base/thread_task_runner_handle.h"
+#include "base/values.h"
+
+namespace {
+const char kAction[] = "action";
+const char kActionFetchAuthCode[] = "fetchAuthCode";
+const char kActionCancelAuthCode[] = "cancelAuthCode";
+const char kActionCloseUI[] = "closeUI";
+}  // namespace
+
+// static
+const char ArcSupportHost::kHostName[] = "com.google.arc_support";
+
+// static
+const char* const ArcSupportHost::kHostOrigin[] = {
+    "chrome-extension://cnbgggchhmkkdmeppjobngjoejnihlei/"
+};
+
+// static
+scoped_ptr<extensions::NativeMessageHost> ArcSupportHost::Create() {
+  return scoped_ptr<NativeMessageHost>(new ArcSupportHost());
+}
+
+ArcSupportHost::ArcSupportHost() {
+  arc::ArcAuthService::Get()->AddObserver(this);
+}
+
+ArcSupportHost::~ArcSupportHost() {
+  arc::ArcAuthService::Get()->RemoveObserver(this);
+}
+
+void ArcSupportHost::Start(Client* client) {
+  DCHECK(!client_);
+  client_ = client;
+}
+
+void ArcSupportHost::OnOptInUINeedToClose() {
+  if (!client_)
+    return;
+
+  base::DictionaryValue response;
+  response.SetString(kAction, kActionCloseUI);
+  std::string response_string;
+  base::JSONWriter::Write(response, &response_string);
+  client_->PostMessageFromNativeHost(response_string);
+}
+
+void ArcSupportHost::OnMessage(const std::string& request_string) {
+  scoped_ptr<base::Value> request_value =
+      base::JSONReader::Read(request_string);
+  scoped_ptr<base::DictionaryValue> request(
+      static_cast<base::DictionaryValue*>(request_value.release()));
+  if (!request.get()) {
+    NOTREACHED();
+    return;
+  }
+
+  std::string action;
+  if (!request->GetString(kAction, &action)) {
+    NOTREACHED();
+    return;
+  }
+
+  if (action == kActionFetchAuthCode) {
+    arc::ArcAuthService::Get()->FetchAuthCode();
+  } else if (action == kActionCancelAuthCode) {
+    arc::ArcAuthService::Get()->CancelAuthCode();
+  } else {
+    NOTREACHED();
+  }
+}
+
+scoped_refptr<base::SingleThreadTaskRunner> ArcSupportHost::task_runner()
+    const {
+  return base::ThreadTaskRunnerHandle::Get();
+}