Autoscroll new background tabs on iPad

ios/chrome/browser/chrome_switches.h

Index: ios/chrome/browser/chrome_switches.h
diff --git a/ios/chrome/browser/chrome_switches.h b/ios/chrome/browser/chrome_switches.h
index 74c9423d0d59820a356110a6aad9544c6aaab61b..93d322798ba4729510bff18024bbfde39c642eeb 100644
--- a/ios/chrome/browser/chrome_switches.h
+++ b/ios/chrome/browser/chrome_switches.h
@@ -21,6 +21,7 @@ extern const char kDisableOfflineAutoReload[];
 extern const char kDisablePaymentRequest[];
 extern const char kDisableQRScanner[];
 extern const char kDisableSpotlightActions[];
+extern const char kDisableTabStripAutoScrollNewTabs[];
 extern const char kDisableTabSwitcher[];
 extern const char kDisableIOSPhysicalWeb[];
 extern const char kDisableDownloadImageRenaming[];
@@ -39,6 +40,7 @@ extern const char kEnablePaymentRequest[];
 extern const char kEnableQRScanner[];
 extern const char kEnableReaderModeToolbarIcon[];
 extern const char kEnableSpotlightActions[];
+extern const char kEnableTabStripAutoScrollNewTabs[];

[rohitrao (ping after 24h), 2017/01/06 15:35:21]

I would remove this flag completely, since it's never really used.  If --disable
is passed, we'll turn off the feature.  If nothing is passed, it will be on by
default.

[liaoyuke, 2017/01/06 20:46:49]

Done.

 extern const char kEnableTabSwitcher[];
 extern const char kEnableIOSPhysicalWeb[];
 extern const char kEnableDownloadImageRenaming[];