[ios] Move NativeAppLauncher upstream

ios/chrome/browser/native_app_launcher/ios_appstore_ids.h

+// Copyright 2014 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.
+
+#ifndef IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_IOS_APPSTORE_IDS_H_
+#define IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_IOS_APPSTORE_IDS_H_
+
+namespace ios_internal {

[rohitrao (ping after 24h), 2016/11/17 03:15:22]

Remove the namespace.  We're intentionally trying not to use namespaces anymore.

[sczs1, 2016/11/18 23:42:48]

Done.

+
+// Constants with the iOS AppStore IDs for Google native iOS apps recognized

[rohitrao (ping after 24h), 2016/11/17 03:15:22]

// Appstore IDs.

Let's drop the google-specific language from the comment.

[sczs1, 2016/11/18 23:42:48]

Done.

+// by Chrome.
+extern const char kIOSAppStoreGmail[];
+extern const char kIOSAppStoreGoogleDocs[];
+extern const char kIOSAppStoreGoogleDrive[];
+extern const char kIOSAppStoreGoogleMaps[];
+extern const char kIOSAppStoreGooglePhotos[];
+extern const char kIOSAppStoreGooglePlayMusic[];
+extern const char kIOSAppStoreGooglePlus[];
+extern const char kIOSAppStoreGoogleSheets[];
+extern const char kIOSAppStoreGoogleSlides[];
+extern const char kIOSAppStoreSpaces[];
+extern const char kIOSAppStoreYouTube[];
+
+// Non-Google iOS native apps that we recognize. Recognizes TestFlight so

[rohitrao (ping after 24h), 2016/11/17 03:15:22]

Let's drop this comment entirely and merge this constant into the section above.

[sczs1, 2016/11/18 23:42:48]

Done.

+// users using Chrome to read email can click on a TestFlight invitation link
+// and launch TestFlight app. Chrome shouldn't need to do this, but UIWebView
+// treats beta.itunes.apple.com in some special way.
+extern const char kIOSAppStoreTestFlight[];
+
+}  // namespace ios_internal
+
+#endif  // IOS_CHROME_BROWSER_NATIVE_APP_LAUNCHER_IOS_APPSTORE_IDS_H_