[Cleanup] Move all browsertests to use ScopedFeatureList to modify features

chrome/browser/net/predictor_tab_helper.h

Index: chrome/browser/net/predictor_tab_helper.h
diff --git a/chrome/browser/net/predictor_tab_helper.h b/chrome/browser/net/predictor_tab_helper.h
index 643dbc9de9055f15f51bc4439a8dcd60b753c7da..59e90cae78a266da5d093a38515f363b2409f12e 100644
--- a/chrome/browser/net/predictor_tab_helper.h
+++ b/chrome/browser/net/predictor_tab_helper.h
@@ -5,6 +5,7 @@
 #ifndef CHROME_BROWSER_NET_PREDICTOR_TAB_HELPER_H_
 #define CHROME_BROWSER_NET_PREDICTOR_TAB_HELPER_H_
 
+#include "base/feature_list.h"
 #include "base/macros.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
@@ -12,6 +13,12 @@
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_user_data.h"
 
+namespace features {
+
+extern const base::Feature kPreconnectMore;
+
+}  // namespace features

[Ilya Sherman, 2017/06/12 21:50:29]

I don't think that it's appropriate for this header to add to the features
namespace.  Instead, please declare and define this feature in
//chrome/common/chrome_features.{h,cc}.

[chaopeng, 2017/06/28 19:21:24]

Done.

+
 namespace content {
 class NavigationHandle;
 }