Create content::WebContentsDestroyedWatcher, use it in many tests.

chrome/browser/printing/print_dialog_cloud_interative_uitest.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.

[jam, 2013/10/15 16:50:52]

i dont think you meant to delete this?

[Avi (use Gerrit), 2013/10/15 16:57:24]

Yes I did. In discussions with Scott Byer, that seemed like the best option
since this is an obsolete test.

I will ask Scott to comment here.

-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "chrome/browser/printing/print_dialog_cloud.h"
-#include "chrome/browser/printing/print_dialog_cloud_internal.h"
-
-#include <functional>
-
-#include "base/bind.h"
-#include "base/file_util.h"
-#include "base/files/file_path.h"
-#include "base/memory/singleton.h"
-#include "base/path_service.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/threading/thread_restrictions.h"
-#include "base/values.h"
-#include "chrome/browser/printing/cloud_print/cloud_print_url.h"
-#include "chrome/browser/profiles/profile.h"
-#include "chrome/browser/ui/browser.h"
-#include "chrome/browser/ui/browser_window.h"
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/url_constants.h"
-#include "chrome/test/base/in_process_browser_test.h"
-#include "chrome/test/base/ui_test_utils.h"
-#include "content/public/browser/notification_service.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_browser_thread.h"
-#include "net/url_request/url_request.h"
-#include "net/url_request/url_request_filter.h"
-#include "net/url_request/url_request_test_job.h"
-#include "net/url_request/url_request_test_util.h"
-#include "ui/base/test/ui_controls.h"
-
-using content::BrowserThread;
-
-namespace {
-
-class TestData {
- public:
-  static TestData* GetInstance() {
-    return Singleton<TestData>::get();
-  }
-
-  const char* GetTestData() {
-    // Fetching this data blocks the IO thread, but we don't really care because
-    // this is a test.
-    base::ThreadRestrictions::ScopedAllowIO allow_io;
-
-    if (test_data_.empty()) {
-      base::FilePath test_data_directory;
-      PathService::Get(chrome::DIR_TEST_DATA, &test_data_directory);
-      base::FilePath test_file =
-          test_data_directory.AppendASCII("printing/cloud_print_uitest.html");
-      base::ReadFileToString(test_file, &test_data_);
-    }
-    return test_data_.c_str();
-  }
- private:
-  TestData() {}
-
-  std::string test_data_;
-
-  friend struct DefaultSingletonTraits<TestData>;
-};
-
-// A simple test net::URLRequestJob. We don't care what it does, only that
-// whether it starts and finishes.
-class SimpleTestJob : public net::URLRequestTestJob {
- public:
-  SimpleTestJob(net::URLRequest* request,
-                net::NetworkDelegate* network_delegate)
-      : net::URLRequestTestJob(request,
-                               network_delegate,
-                               test_headers(),
-                               TestData::GetInstance()->GetTestData(),
-                               true) {}
-
-  virtual void GetResponseInfo(net::HttpResponseInfo* info) OVERRIDE {
-    net::URLRequestTestJob::GetResponseInfo(info);
-    if (request_->url().SchemeIsSecure()) {
-      // Make up a fake certificate for this response since we don't have
-      // access to the real SSL info.
-      const char* kCertIssuer = "Chrome Internal";
-      const int kLifetimeDays = 100;
-
-      info->ssl_info.cert =
-          new net::X509Certificate(request_->url().GetWithEmptyPath().spec(),
-                                   kCertIssuer,
-                                   base::Time::Now(),
-                                   base::Time::Now() +
-                                   base::TimeDelta::FromDays(kLifetimeDays));
-      info->ssl_info.cert_status = 0;
-      info->ssl_info.security_bits = -1;
-    }
-  }
-
- private:
-  virtual ~SimpleTestJob() {}
-};
-
-class TestController {
- public:
-  static TestController* GetInstance() {
-    return Singleton<TestController>::get();
-  }
-  void set_result(bool value) {
-    result_ = value;
-  }
-  bool result() {
-    return result_;
-  }
-  void set_expected_url(const GURL& url) {
-    expected_url_ = url;
-  }
-  const GURL expected_url() {
-    return expected_url_;
-  }
-  void set_delegate(net::TestDelegate* delegate) {
-    delegate_ = delegate;
-  }
-  net::TestDelegate* delegate() {
-    return delegate_;
-  }
-  void set_use_delegate(bool value) {
-    use_delegate_ = value;
-  }
-  bool use_delegate() {
-    return use_delegate_;
-  }
- private:
-  TestController()
-      : result_(false),
-        use_delegate_(false),
-        delegate_(NULL) {}
-
-  bool result_;
-  bool use_delegate_;
-  GURL expected_url_;
-  net::TestDelegate* delegate_;
-
-  friend struct DefaultSingletonTraits<TestController>;
-};
-
-}  // namespace
-
-class PrintDialogCloudTest : public InProcessBrowserTest {
- public:
-  PrintDialogCloudTest() : handler_added_(false) {
-    PathService::Get(chrome::DIR_TEST_DATA, &test_data_directory_);
-  }
-
-  // Must be static for handing into AddHostnameHandler.
-  static net::URLRequest::ProtocolFactory Factory;
-
-  class AutoQuitDelegate : public net::TestDelegate {
-   public:
-    AutoQuitDelegate() {}
-
-    virtual void OnResponseCompleted(net::URLRequest* request) OVERRIDE {
-      BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
-                              base::MessageLoop::QuitClosure());
-    }
-  };
-
-  virtual void SetUp() OVERRIDE {
-    TestController::GetInstance()->set_result(false);
-    InProcessBrowserTest::SetUp();
-  }
-
-  virtual void TearDown() OVERRIDE {
-    if (handler_added_) {
-      BrowserThread::PostTask(
-          BrowserThread::IO, FROM_HERE,
-          base::Bind(UnregisterTestHandlers, scheme_, host_name_));
-      handler_added_ = false;
-      TestController::GetInstance()->set_delegate(NULL);
-    }
-    InProcessBrowserTest::TearDown();
-  }
-
-  // Normally this is something I would expect could go into SetUp(),
-  // but there seems to be some timing or ordering related issue with
-  // the test harness that made that flaky.  Calling this from the
-  // individual test functions seems to fix that.
-  void AddTestHandlers() {
-    if (!handler_added_) {
-      GURL cloud_print_service_url =
-          CloudPrintURL(browser()->profile()).
-          GetCloudPrintServiceURL();
-      scheme_ = cloud_print_service_url.scheme();
-      host_name_ = cloud_print_service_url.host();
-      BrowserThread::PostTask(
-          BrowserThread::IO, FROM_HERE,
-          base::Bind(RegisterTestHandlers, scheme_, host_name_));
-      handler_added_ = true;
-
-      GURL cloud_print_dialog_url =
-          CloudPrintURL(browser()->profile()).
-          GetCloudPrintServiceDialogURL();
-      TestController::GetInstance()->set_expected_url(cloud_print_dialog_url);
-      TestController::GetInstance()->set_delegate(&delegate_);
-    }
-
-    CreateDialogForTest();
-  }
-
-  void CreateDialogForTest() {
-    base::FilePath path_to_pdf =
-        test_data_directory_.AppendASCII("printing/cloud_print_uitest.pdf");
-    BrowserThread::PostTask(
-        BrowserThread::UI, FROM_HERE,
-        base::Bind(&print_dialog_cloud::CreatePrintDialogForFile,
-                   browser()->profile(), browser()->window()->GetNativeWindow(),
-                   path_to_pdf, string16(), string16(),
-                   std::string("application/pdf"), false));
-  }
-
- private:
-  static void RegisterTestHandlers(const std::string& scheme,
-                       const std::string& host_name) {
-    net::URLRequestFilter::GetInstance()->AddHostnameHandler(
-        scheme, host_name, &PrintDialogCloudTest::Factory);
-  }
-  static void UnregisterTestHandlers(const std::string& scheme,
-                         const std::string& host_name) {
-    net::URLRequestFilter::GetInstance()->RemoveHostnameHandler(scheme,
-                                                                host_name);
-  }
-
-  bool handler_added_;
-  std::string scheme_;
-  std::string host_name_;
-  base::FilePath test_data_directory_;
-  AutoQuitDelegate delegate_;
-};
-
-net::URLRequestJob* PrintDialogCloudTest::Factory(
-    net::URLRequest* request,
-    net::NetworkDelegate* network_delegate,
-    const std::string& scheme) {
-  if (request &&
-      (request->url() == TestController::GetInstance()->expected_url())) {
-    if (TestController::GetInstance()->use_delegate())
-      request->set_delegate(TestController::GetInstance()->delegate());
-    TestController::GetInstance()->set_result(true);
-    return new SimpleTestJob(request, network_delegate);
-  }
-  return new net::URLRequestTestJob(request,
-                                    network_delegate,
-                                    net::URLRequestTestJob::test_headers(),
-                                    std::string(),
-                                    true);
-}
-
-IN_PROC_BROWSER_TEST_F(PrintDialogCloudTest, HandlersRegistered) {
-  AddTestHandlers();
-
-  TestController::GetInstance()->set_use_delegate(true);
-
-  content::RunMessageLoop();
-
-  ASSERT_TRUE(TestController::GetInstance()->result());
-
-  // Close the dialog before finishing the test.
-  content::WindowedNotificationObserver tab_closed_observer(
-      content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
-      content::NotificationService::AllSources());
-
-  // Can't use ui_test_utils::SendKeyPressSync or
-  // ui_test_utils::SendKeyPressAndWait due to a race condition with closing
-  // the window. See http://crbug.com/111269
-  BrowserWindow* window = browser()->window();
-  ASSERT_TRUE(window);
-  gfx::NativeWindow native_window = window->GetNativeWindow();
-  ASSERT_TRUE(native_window);
-  bool key_sent = ui_controls::SendKeyPress(native_window, ui::VKEY_ESCAPE,
-                                            false, false, false, false);
-  EXPECT_TRUE(key_sent);
-  if (key_sent)
-    tab_closed_observer.Wait();
-}