Move JavascriptTestObserver from chrome to content.

chrome/test/base/javascript_test_observer.cc

-// Copyright (c) 2011 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/test/base/javascript_test_observer.h"
-
-#include "content/public/browser/dom_operation_notification_details.h"
-#include "content/public/browser/notification_types.h"
-#include "content/public/browser/render_view_host.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/test/test_utils.h"
-
-TestMessageHandler::TestMessageHandler() : ok_(true) {
-}
-
-TestMessageHandler::~TestMessageHandler() {
-}
-
-void TestMessageHandler::SetError(const std::string& message) {
-  ok_ = false;
-  error_message_ = message;
-}
-
-void TestMessageHandler::Reset() {
-  ok_ = true;
-  error_message_.clear();
-}
-
-JavascriptTestObserver::JavascriptTestObserver(
-    content::WebContents* web_contents,
-    TestMessageHandler* handler)
-    : handler_(handler),
-      running_(false),
-      finished_(false) {
-  Reset();
-  registrar_.Add(this,
-                 content::NOTIFICATION_DOM_OPERATION_RESPONSE,
-                 content::Source<content::WebContents>(web_contents));
-}
-
-JavascriptTestObserver::~JavascriptTestObserver() {
-}
-
-bool JavascriptTestObserver::Run() {
-  // Messages may have arrived before Run was called.
-  if (!finished_) {
-    CHECK(!running_);
-    running_ = true;
-    content::RunMessageLoop();
-    running_ = false;
-  }
-  return handler_->ok();
-}
-
-void JavascriptTestObserver::Reset() {
-  CHECK(!running_);
-  running_ = false;
-  finished_ = false;
-  handler_->Reset();
-}
-
-void JavascriptTestObserver::Observe(
-    int type,
-    const content::NotificationSource& source,
-    const content::NotificationDetails& details) {
-  CHECK(type == content::NOTIFICATION_DOM_OPERATION_RESPONSE);
-  content::Details<content::DomOperationNotificationDetails> dom_op_details(
-      details);
-  // We might receive responses for other script execution, but we only
-  // care about the test finished message.
-  TestMessageHandler::MessageResponse response =
-      handler_->HandleMessage(dom_op_details->json);
-
-  if (response == TestMessageHandler::DONE) {
-    EndTest();
-  } else {
-    Continue();
-  }
-}
-
-void JavascriptTestObserver::Continue() {
-}
-
-void JavascriptTestObserver::EndTest() {
-  finished_ = true;
-  if (running_) {
-    running_ = false;
-    base::MessageLoopForUI::current()->Quit();
-  }
-}