Don't ignore manifest icons for sites that don't have a service worker.

chrome/browser/android/webapps/add_to_homescreen_data_fetcher_unittest.cc

 // 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/string_util.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/time/time.h"
+#include "chrome/browser/installable/installable_manager.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"
@@ skipping 159 matching lines @@
 
     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)));
+    InstallableManager::CreateForWebContents(mock_web_contents);
     SetContents(mock_web_contents);
   }
 
   void TearDown() override {
     embedded_worker_test_helper_.reset();
     ChromeRenderViewHostTestHarness::TearDown();
   }
 
   scoped_refptr<AddToHomescreenDataFetcher> BuildFetcher(
       bool check_webapk_compatible,
@@ skipping 153 matching lines @@
     }
     // 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));