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..113b02388742df08e186ac177ddc990573162f34 100644
--- a/chrome/browser/android/chrome_feature_list.h
+++ b/chrome/browser/android/chrome_feature_list.h
@@ -21,11 +21,12 @@ 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 kImportantSitesInCBD;
 extern const base::Feature kImprovedA2HS;
+extern const base::Feature kNewPhotoPicker;
 extern const base::Feature kNoCreditCardAbort;
 extern const base::Feature kNTPCondensedLayoutFeature;
 extern const base::Feature kNTPCondensedTileLayoutFeature;