Context menu egtests, plus related utilities.

ios/testing/earl_grey/matchers.h

Index: ios/testing/earl_grey/matchers.h
diff --git a/ios/testing/earl_grey/matchers.h b/ios/testing/earl_grey/matchers.h
new file mode 100644
index 0000000000000000000000000000000000000000..64b5fc7c92808b977a6ba397ba5f3ca4402e778e
--- /dev/null
+++ b/ios/testing/earl_grey/matchers.h
@@ -0,0 +1,22 @@
+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef IOS_TESTING_EARL_GREY_MATCHERS_H_
+#define IOS_TESTING_EARL_GREY_MATCHERS_H_
+
+#import <Foundation/Foundation.h>
+
+#import <EarlGrey/EarlGrey.h>
+
+namespace testing {
+
+// Matcher for context menu item containing |text|.
+id<GREYMatcher> contextMenuItemContainingText(NSString* text);

[Eugene But (OOO till 7-30), 2016/08/30 18:11:04]

The name suggests that |text| can be a substring of item's text. But it looks
like implementation does full match, not  only substring.

[marq (ping after 24h), 2016/08/31 13:07:57]

Done.

+
+// Matcher for a UI element to tap to dismiss the the context menu.

[Eugene But (OOO till 7-30), 2016/08/30 18:11:04]

Maybe document the difference between iPhone and iPad?

[marq (ping after 24h), 2016/08/31 13:07:57]

Done.

+id<GREYMatcher> elementToDismissContextMenu();
+
+}  // namespace testing
+
+#endif  // IOS_TESTING_EARL_GREY_MATCHERS_H_