Use shared matchers for common elements.

ios/chrome/browser/ui/history/history_ui_egtest.mm

Index: ios/chrome/browser/ui/history/history_ui_egtest.mm
diff --git a/ios/chrome/browser/ui/history/history_ui_egtest.mm b/ios/chrome/browser/ui/history/history_ui_egtest.mm
index 02c6255542d3645a8423731661348401be7c8ef9..14ce2caffb3e8efdfc4da7c29fb4b3e87b2991ad 100644
--- a/ios/chrome/browser/ui/history/history_ui_egtest.mm
+++ b/ios/chrome/browser/ui/history/history_ui_egtest.mm
@@ -115,10 +115,6 @@ id<GREYMatcher> OpenClearBrowsingDataButton() {
   return ButtonWithAccessibilityLabelId(
       IDS_HISTORY_OPEN_CLEAR_BROWSING_DATA_DIALOG);
 }
-// Matcher for the Open in New Tab option in the context menu.
-id<GREYMatcher> OpenInNewTabButton() {
-  return ButtonWithAccessibilityLabelId(IDS_IOS_CONTENT_CONTEXT_OPENLINKNEWTAB);
-}
 // Matcher for the Open in New Incognito Tab option in the context menu.
 id<GREYMatcher> OpenInNewIncognitoTabButton() {
   return ButtonWithAccessibilityLabelId(
@@ -430,7 +426,8 @@ void MockSignIn() {
 
   // Select "Open in New Tab" and confirm that new tab is opened with selected
   // URL.
-  [[EarlGrey selectElementWithMatcher:OpenInNewTabButton()]
+  [[EarlGrey
+      selectElementWithMatcher:chrome_test_util::OpenLinkInNewTabMenuItem()]

[Eugene But (OOO till 7-30), 2017/03/06 20:10:04]

ditto

[baxley, 2017/03/06 20:53:34]

Done.

       performAction:grey_tap()];
   [[EarlGrey selectElementWithMatcher:chrome_test_util::OmniboxText(
                                           _URL1.GetContent())]