Revert of Add unit tests for AddToHomescreenDataFetcher

chrome/browser/android/webapps/add_to_homescreen_data_fetcher_unittest.cc

Index: chrome/browser/android/webapps/add_to_homescreen_data_fetcher_unittest.cc
diff --git a/chrome/browser/android/webapps/add_to_homescreen_data_fetcher_unittest.cc b/chrome/browser/android/webapps/add_to_homescreen_data_fetcher_unittest.cc
deleted file mode 100644
index 4bde273d6c84339c88e6a67065b92da8b7503f1f..0000000000000000000000000000000000000000
--- a/chrome/browser/android/webapps/add_to_homescreen_data_fetcher_unittest.cc
+++ /dev/null
@@ -1,303 +0,0 @@
-// 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 "chrome/browser/android/webapps/add_to_homescreen_data_fetcher.h"
-
-#include <memory>
-#include <string>
-
-#include "base/callback_forward.h"
-#include "base/files/file_path.h"
-#include "base/macros.h"
-#include "base/memory/ref_counted.h"
-#include "base/message_loop/message_loop.h"
-#include "base/run_loop.h"
-#include "base/strings/nullable_string16.h"
-#include "base/strings/utf_string_conversions.h"
-#include "base/time/time.h"
-#include "chrome/common/web_application_info.h"
-#include "chrome/test/base/chrome_render_view_host_test_harness.h"
-#include "chrome/test/base/testing_profile.h"
-#include "content/browser/service_worker/embedded_worker_test_helper.h"
-#include "content/browser/service_worker/service_worker_context_core.h"
-#include "content/common/service_worker/service_worker_status_code.h"
-#include "content/public/browser/browser_thread.h"
-#include "content/public/browser/site_instance.h"
-#include "content/public/browser/web_contents.h"
-#include "content/public/common/manifest.h"
-#include "content/test/test_web_contents.h"
-#include "net/http/http_status_code.h"
-#include "third_party/WebKit/public/platform/WebDisplayMode.h"
-#include "ui/gfx/image/image_unittest_util.h"
-#include "url/gurl.h"
-
-namespace {
-
-const char* kDefaultManifestUrl = "https://www.example.com/manifest.json";
-const char* kDefaultManifestName = "Default Name";
-const char* kDefaultManifestShortName = "Default Short Name";
-const char* kDefaultStartUrl = "https://www.example.com/index.html";
-const blink::WebDisplayMode kDefaultManifestDisplayMode =
-    blink::WebDisplayModeStandalone;
-
-// WebContents subclass which mocks out image and manifest fetching.
-class MockWebContents : public content::TestWebContents {
- public:
-  explicit MockWebContents(content::BrowserContext* browser_context)
-      : content::TestWebContents(browser_context) {}
-
-  ~MockWebContents() override {
-  }
-
-  // Sets the manifest to be returned by GetManifest().
-  // |fetch_delay_ms| is the time in milliseconds that the simulated fetch of
-  // the web manifest should take.
-  void SetManifest(const GURL& manifest_url,
-                   const content::Manifest& manifest,
-                   int fetch_delay_ms) {
-    manifest_url_ = manifest_url;
-    manifest_ = manifest;
-    manifest_fetch_delay_ms_ = fetch_delay_ms;
-  }
-
-  int DownloadImage(const GURL& url,
-                    bool is_favicon,
-                    uint32_t max_bitmap_size,
-                    bool bypass_cache,
-                    const ImageDownloadCallback& callback) override {
-    const int kIconSizePx = 144;
-    SkBitmap icon = gfx::test::CreateBitmap(kIconSizePx, kIconSizePx);
-    std::vector<SkBitmap> icons(1u, icon);
-    std::vector<gfx::Size> pixel_sizes(1u, gfx::Size(kIconSizePx, kIconSizePx));
-    content::BrowserThread::PostTask(
-        content::BrowserThread::UI,
-        FROM_HERE,
-        base::Bind(callback, 0, net::HTTP_OK, url, icons, pixel_sizes));
-    return 0;
-  }
-
-  void GetManifest(const GetManifestCallback& callback) override {
-    content::BrowserThread::PostDelayedTask(
-        content::BrowserThread::UI, FROM_HERE,
-        base::Bind(callback, manifest_url_, manifest_),
-        base::TimeDelta::FromMilliseconds(manifest_fetch_delay_ms_));
-  }
-
- private:
-  GURL manifest_url_;
-  content::Manifest manifest_;
-  int manifest_fetch_delay_ms_;
-
-  DISALLOW_COPY_AND_ASSIGN(MockWebContents);
-};
-
-// Tracks which of the AddToHomescreenDataFetcher::Observer callbacks have been
-// called.
-class ObserverWaiter : public AddToHomescreenDataFetcher::Observer {
- public:
-  ObserverWaiter() {}
-  ~ObserverWaiter() override {}
-
-  // Waits till the OnDataAvailable() callback is called.
-  void WaitForDataAvailable() {
-    if (data_available_)
-      return;
-
-    base::RunLoop run_loop;
-    quit_closure_ = run_loop.QuitClosure();
-    run_loop.Run();
-  }
-
-  void OnDidDetermineWebApkCompatibility(bool is_webapk_compatible) override {
-    determined_webapk_compatibility_ = true;
-    is_webapk_compatible_ = is_webapk_compatible;
-  }
-
-  void OnUserTitleAvailable(const base::string16& title) override {
-    title_available_ = true;
-  }
-
-  SkBitmap FinalizeLauncherIconInBackground(const SkBitmap& icon,
-                                            const GURL& url,
-                                            bool* is_generated) override {
-    *is_generated = false;
-    return icon;
-  }
-
-  void OnDataAvailable(const ShortcutInfo& info,
-                       const SkBitmap& icon) override {
-    data_available_ = true;
-    if (!quit_closure_.is_null())
-      quit_closure_.Run();
-  }
-
-  bool is_webapk_compatible() const { return is_webapk_compatible_; }
-  bool determined_webapk_compatibility() const {
-    return determined_webapk_compatibility_;
-  }
-  bool title_available() const { return title_available_; }
-
- private:
-  bool is_webapk_compatible_;
-  bool determined_webapk_compatibility_;
-  bool title_available_;
-  bool data_available_;
-  base::Closure quit_closure_;
-
-  DISALLOW_COPY_AND_ASSIGN(ObserverWaiter);
-};
-
-// Builds non-null base::NullableString16 from a UTF8 string.
-base::NullableString16 NullableStringFromUTF8(const std::string& value) {
-  return base::NullableString16(base::UTF8ToUTF16(value), false);
-}
-
-// Builds WebAPK compatible content::Manifest.
-content::Manifest BuildDefaultManifest() {
-  content::Manifest manifest;
-  manifest.name = NullableStringFromUTF8(kDefaultManifestName);
-  manifest.short_name = NullableStringFromUTF8(kDefaultManifestShortName);
-  manifest.start_url = GURL(kDefaultStartUrl);
-  manifest.display = kDefaultManifestDisplayMode;
-  return manifest;
-}
-
-}  // anonymous namespace
-
-// Tests AddToHomescreenDataFetcher. These tests should be browser tests but
-// Android does not support browser tests yet (crbug.com/611756).
-class AddToHomescreenDataFetcherTest : public ChromeRenderViewHostTestHarness {
- public:
-  AddToHomescreenDataFetcherTest() {}
-  ~AddToHomescreenDataFetcherTest() override {}
-
-  void SetUp() override {
-    ChromeRenderViewHostTestHarness::SetUp();
-
-    ASSERT_TRUE(profile()->CreateHistoryService(false, true));
-    profile()->CreateFaviconService();
-
-    embedded_worker_test_helper_.reset(
-        new content::EmbeddedWorkerTestHelper(base::FilePath()));
-
-    scoped_refptr<content::SiteInstance> site_instance =
-        content::SiteInstance::Create(browser_context());
-    site_instance->GetProcess()->Init();
-    MockWebContents* mock_web_contents = new MockWebContents(browser_context());
-    mock_web_contents->Init(content::WebContents::CreateParams(
-        browser_context(), std::move(site_instance)));
-    SetContents(mock_web_contents);
-  }
-
-  scoped_refptr<AddToHomescreenDataFetcher> BuildFetcher(
-      bool check_webapk_compatible,
-      AddToHomescreenDataFetcher::Observer* observer) {
-    return new AddToHomescreenDataFetcher(web_contents(), 1, 1, 1, 1,
-                                          check_webapk_compatible, observer);
-  }
-
-  // Set the manifest to be returned as a result of WebContents::GetManifest().
-  void SetManifest(const GURL& manifest_url,
-                   const content::Manifest& manifest,
-                   int fetch_delay_ms) {
-    MockWebContents* mock_web_contents =
-        static_cast<MockWebContents*>(web_contents());
-    mock_web_contents->SetManifest(manifest_url, manifest, fetch_delay_ms);
-  }
-
-  // Registers service worker at |url|. Blocks till the service worker is
-  // registered.
-  void RegisterServiceWorker(const GURL& url) {
-    base::RunLoop run_loop;
-    embedded_worker_test_helper_->context()->RegisterServiceWorker(
-        url, GURL(url.spec() + "/service_worker.js"), nullptr,
-        base::Bind(&AddToHomescreenDataFetcherTest::OnServiceWorkerRegistered,
-                   base::Unretained(this), run_loop.QuitClosure()));
-  }
-
- private:
-  // Callback for RegisterServiceWorker() for when service worker registration
-  // has completed.
-  void OnServiceWorkerRegistered(const base::Closure& callback,
-                                 content::ServiceWorkerStatusCode status,
-                                 const std::string& status_message,
-                                 int64_t registration_id) {
-    ASSERT_EQ(content::SERVICE_WORKER_OK, status)
-        << content::ServiceWorkerStatusToString(status);
-    callback.Run();
-  }
-
-  std::unique_ptr<content::EmbeddedWorkerTestHelper>
-      embedded_worker_test_helper_;
-
-  DISALLOW_COPY_AND_ASSIGN(AddToHomescreenDataFetcherTest);
-};
-
-// Checks that AddToHomescreenDataFetcher::Observer::OnUserTitleAvailable() is
-// called when the web manifest fetch times out. The add-to-homescreen dialog
-// makes the dialog's text field editable once OnUserTitleAvailable() is called.
-TEST_F(AddToHomescreenDataFetcherTest, ManifestFetchTimesOutNoServiceWorker) {
-  SetManifest(GURL(kDefaultManifestUrl), BuildDefaultManifest(), 10000);
-
-  ObserverWaiter waiter;
-  scoped_refptr<AddToHomescreenDataFetcher> fetcher(
-      BuildFetcher(false, &waiter));
-  fetcher->OnDidGetWebApplicationInfo(WebApplicationInfo());
-  waiter.WaitForDataAvailable();
-
-  EXPECT_FALSE(waiter.determined_webapk_compatibility());
-  EXPECT_TRUE(waiter.title_available());
-
-  fetcher->set_weak_observer(nullptr);
-}
-
-// Class for tests which should be run with AddToHomescreenDataFetcher built
-// with both true and false values of |check_webapk_compatible|.
-class AddToHomescreenDataFetcherTestCommon
-    : public AddToHomescreenDataFetcherTest,
-      public testing::WithParamInterface<bool> {
- public:
-  AddToHomescreenDataFetcherTestCommon() {}
-  ~AddToHomescreenDataFetcherTestCommon() override {}
-
-  scoped_refptr<AddToHomescreenDataFetcher> BuildFetcher(
-      AddToHomescreenDataFetcher::Observer* observer) {
-    return AddToHomescreenDataFetcherTest::BuildFetcher(
-        check_webapk_compatibility(), observer);
-  }
-
-  // The value of |check_webapk_compatible| used when building the
-  // AddToHomescreenDataFetcher.
-  bool check_webapk_compatibility() { return GetParam(); }
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(AddToHomescreenDataFetcherTestCommon);
-};
-
-// Checks that the AddToHomescreenDataFetcher::Observer callbacks are called
-// when a service worker is registered and the manifest fetch times out.
-TEST_P(AddToHomescreenDataFetcherTestCommon, ManifestFetchTimesOut) {
-    RegisterServiceWorker(GURL(kDefaultStartUrl));
-    SetManifest(GURL(kDefaultManifestUrl), BuildDefaultManifest(), 10000);
-
-    ObserverWaiter waiter;
-    scoped_refptr<AddToHomescreenDataFetcher> fetcher(BuildFetcher(&waiter));
-    fetcher->OnDidGetWebApplicationInfo(WebApplicationInfo());
-    waiter.WaitForDataAvailable();
-
-    if (check_webapk_compatibility()) {
-      EXPECT_TRUE(waiter.determined_webapk_compatibility());
-      EXPECT_FALSE(waiter.is_webapk_compatible());
-    } else {
-      EXPECT_FALSE(waiter.determined_webapk_compatibility());
-    }
-    // This callback enables the text field in the add-to-homescreen dialog.
-    EXPECT_TRUE(waiter.title_available());
-
-    fetcher->set_weak_observer(nullptr);
-}
-
-INSTANTIATE_TEST_CASE_P(CheckWebApkCompatibility,
-                        AddToHomescreenDataFetcherTestCommon,
-                        ::testing::Values(false, true));