[iOS] Add EG tests for the Keyboard accessory view.

ios/chrome/browser/ui/toolbar/toolbar_egtest.mm

 // 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.
 
 #import <EarlGrey/EarlGrey.h>
 #import <XCTest/XCTest.h>
 
 #include "base/ios/ios_util.h"
 #include "components/strings/grit/components_strings.h"
 #import "ios/chrome/browser/ui/commands/generic_chrome_command.h"
@@ skipping 453 matching lines @@
   NSString* typingShield = @"Hide keyboard";
   NSString* clearText = IsIPadIdiom() ? typingShield : cancelButtonText;
 
   [[EarlGrey selectElementWithMatcher:grey_accessibilityLabel(clearText)]
       performAction:grey_tap()];
   [[EarlGrey selectElementWithMatcher:chrome_test_util::Omnibox()]
       assertWithMatcher:chrome_test_util::OmniboxText("")];
 
   SelectNewTabPagePanel(NewTabPage::kMostVisitedPanel);
 }
+
+// Tests typing in the omnibox using the keyboard accessory view.
+- (void)testToolbarOmniboxKeyboardAccessoryView {
+  // Select the omnibox to get the keyboard up.
+  id<GREYMatcher> locationbarButton = grey_allOf(
+      grey_accessibilityLabel(l10n_util::GetNSString(IDS_OMNIBOX_EMPTY_HINT)),
+      grey_minimumVisiblePercent(0.2), nil);
+  [[EarlGrey selectElementWithMatcher:locationbarButton]
+      assertWithMatcher:grey_text(@"Search or type URL")];
+  [[EarlGrey selectElementWithMatcher:locationbarButton]
+      performAction:grey_tap()];
+
+  // Tap the "/" keyboard accessory button.
+  id<GREYMatcher> slashButtonMatcher = grey_allOf(
+      grey_accessibilityLabel(@"/"), grey_kindOfClass([UIButton class]), nil);
+
+  [[EarlGrey selectElementWithMatcher:slashButtonMatcher]
+      performAction:grey_tap()];
+
+  // Tap the ".com" keyboard accessory button.
+  id<GREYMatcher> dotComButtonMatcher =
+      grey_allOf(grey_accessibilityLabel(@".com"),
+                 grey_kindOfClass([UIButton class]), nil);
+
+  [[EarlGrey selectElementWithMatcher:dotComButtonMatcher]
+      performAction:grey_tap()];
+
+  // Verify that the omnibox contains "/.com"
+  [[EarlGrey
+      selectElementWithMatcher:grey_allOf(grey_accessibilityLabel(@"/.com"),
+                                          grey_kindOfClass(
+                                              [OmniboxPopupMaterialRow class]),
+                                          nil)]
+      assertWithMatcher:grey_sufficientlyVisible()];
+}
+
 @end