Add app startup parameters to start the app in qr and incognito search.

ios/chrome/common/app_group/app_group_constants.h

 // Copyright 2015 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_COMMON_APP_GROUP_APP_GROUP_CONSTANTS_H_
 #define IOS_CHROME_COMMON_APP_GROUP_APP_GROUP_CONSTANTS_H_
 
 #import <Foundation/Foundation.h>
 
 // Constants that are shared between apps belonging to the chrome iOS app group.
@@ skipping 36 matching lines @@
 
 // The command to trigger a voice search.
 extern const char kChromeAppGroupVoiceSearchCommand[];
 
 // The command to open a new tab.
 extern const char kChromeAppGroupNewTabCommand[];
 
 // The command to focus the omnibox.
 extern const char kChromeAppGroupFocusOmniboxCommand[];
 
+// The command to open an incognito search.
+extern const char kChromeAppGroupIncognitoSearchCommand[];
+
+// The command to open the QR Code scanner.
+extern const char kChromeAppGroupQRScannerCommand[];
+
 // The key in kChromeAppGroupCommandPreference containing a NSDate at which
 // |kChromeAppGroupCommandAppPreference| issued the command.
 extern const char kChromeAppGroupCommandTimePreference[];
 
 // The key in kChromeAppGroupCommandPreference containing a parameter for the
 // command. The nature of the parameter depends on the command.
 extern const char kChromeAppGroupCommandParameterPreference[];
 
 // The key of a preference containing Chrome client ID reported in the metrics
 // client ID. If the user does not opt in, this value must be cleared from the
@@ skipping 43 matching lines @@
 // application group is defined. If not (i.e. on simulator, or if entitlements
 // do not allow it) returns [NSUserDefaults standardUserDefaults].
 NSUserDefaults* GetGroupUserDefaults();
 
 // The application name of |application|.
 NSString* ApplicationName(AppGroupApplications application);
 
 }  // namespace app_group
 
 #endif  // IOS_CHROME_COMMON_APP_GROUP_APP_GROUP_CONSTANTS_H_