Implement the new Photo picker, part one.

chrome/browser/android/chrome_feature_list.h

Index: chrome/browser/android/chrome_feature_list.h
diff --git a/chrome/browser/android/chrome_feature_list.h b/chrome/browser/android/chrome_feature_list.h
index 35e667e21328e253203820f6e885d8b7c9ac7bc7..4607338385fe2fe46385eeb84b70804835a379b5 100644
--- a/chrome/browser/android/chrome_feature_list.h
+++ b/chrome/browser/android/chrome_feature_list.h
@@ -21,9 +21,10 @@ extern const base::Feature kCCTExternalLinkHandling;
 extern const base::Feature kCCTPostMessageAPI;
 extern const base::Feature kChromeHomeFeature;
 extern const base::Feature kContextualSearchSingleActions;
+extern const base::Feature kContextualSearchUrlActions;
 extern const base::Feature kCustomFeedbackUi;
 extern const base::Feature kDownloadAutoResumptionThrottling;
-extern const base::Feature kContextualSearchUrlActions;
+extern const base::Feature kEnableNewPhotoPicker;
 extern const base::Feature kImportantSitesInCBD;
 extern const base::Feature kImprovedA2HS;
 extern const base::Feature kNoCreditCardAbort;