Retry WebAPK download if fails for the first time.

chrome/browser/android/webapk/webapk_installer_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/webapk/webapk_installer.h"
 
 #include <jni.h>
 #include <memory>
 #include <string>
 
@@ skipping 109 matching lines @@
 
     Run();
   }
 
   WebApkInstaller* CreateWebApkInstaller() {
     ShortcutInfo info(GURL::EmptyGURL());
     info.icon_url = icon_url_;
 
     // WebApkInstaller owns itself.
     WebApkInstaller* installer = new TestWebApkInstaller(info, SkBitmap());
-    installer->SetTimeoutMs(100);
+    installer->SetTimeoutMs(200);
     return installer;
   }
 
   void Run() {
     base::RunLoop run_loop;
     on_completed_callback_ = run_loop.QuitClosure();
     run_loop.Run();
   }
 
   bool success() { return success_; }
@@ skipping 198 matching lines @@
   runner->RunInstallWebApk();
   EXPECT_FALSE(runner->success());
 }
 
 // Test update succeeding.
 TEST_F(WebApkInstallerTest, UpdateSuccess) {
   std::unique_ptr<WebApkInstallerRunner> runner = CreateWebApkInstallerRunner();
   runner->RunUpdateWebApk();
   EXPECT_TRUE(runner->success());
 }