MD History: Move flaky focus tests into interactive UI tests

chrome/test/data/webui/md_history/history_synced_tabs_test.js

Index: chrome/test/data/webui/md_history/history_synced_tabs_test.js
diff --git a/chrome/test/data/webui/md_history/history_synced_tabs_test.js b/chrome/test/data/webui/md_history/history_synced_tabs_test.js
index 8336ae087ad6f7924f3a33850e5047f8de9daaea..b4080a4ce50c0fb941f59488075041d67384098f 100644
--- a/chrome/test/data/webui/md_history/history_synced_tabs_test.js
+++ b/chrome/test/data/webui/md_history/history_synced_tabs_test.js
@@ -225,95 +225,6 @@ suite('<history-synced-device-manager>', function() {
     });
   });
 
-  // Fails on Mac, http://crbug.com/640862
-  test.skip('focus and keyboard nav', function() {
-    var sessionList = [
-      createSession('Nexus 5', [createWindow([
-                      'http://www.example.com', 'http://www.google.com'
-                    ])]),
-      createSession('Pixel C', [createWindow(['http://www.badssl.com'])]),
-      createSession('Potato', [createWindow(['http://www.wikipedia.org'])]),
-    ];
-
-    setForeignSessions(sessionList);
-
-    var lastFocused;
-    var cards;
-    var focused;
-    var onFocusHandler = element.focusGrid_.onFocus;
-    element.focusGrid_.onFocus = function(row, e) {
-      onFocusHandler.call(element.focusGrid_, row, e);
-      lastFocused = e.currentTarget;
-    };
-
-    return PolymerTest.flushTasks().then(function() {
-      cards = polymerSelectAll(element, 'history-synced-device-card');
-
-      focused = cards[0].$['menu-button'];
-      focused.focus();
-
-      // Go to the collapse button.
-      MockInteractions.pressAndReleaseKeyOn(focused, 39, [], 'ArrowRight');
-      focused = cards[0].$['collapse-button'];
-      assertEquals(focused, lastFocused);
-
-      // Go to the first url.
-      MockInteractions.pressAndReleaseKeyOn(focused, 40, [], 'ArrowDown');
-      focused = polymerSelectAll(cards[0], '.website-title')[0];
-      assertEquals(focused, lastFocused);
-
-      // Collapse the first card.
-      MockInteractions.pressAndReleaseKeyOn(focused, 38, [], 'ArrowUp');
-      focused = cards[0].$['collapse-button'];
-      assertEquals(focused, lastFocused);
-      MockInteractions.tap(focused);
-    }).then(function() {
-      // Pressing down goes to the next card.
-      MockInteractions.pressAndReleaseKeyOn(focused, 40, [], 'ArrowDown');
-      focused = cards[1].$['collapse-button'];
-      assertEquals(focused, lastFocused);
-
-      // Expand the first card.
-      MockInteractions.pressAndReleaseKeyOn(focused, 38, [], 'ArrowUp');
-      focused = cards[0].$['collapse-button'];
-      assertEquals(focused, lastFocused);
-      MockInteractions.tap(focused);
-    }).then(function() {
-      // First card's urls are focusable again.
-      MockInteractions.pressAndReleaseKeyOn(focused, 40, [], 'ArrowDown');
-      focused = polymerSelectAll(cards[0], '.website-title')[0];
-      assertEquals(focused, lastFocused);
-
-      // Remove the second URL from the first card.
-      sessionList[0].windows[0].tabs.splice(1, 1);
-      setForeignSessions(sessionList.slice());
-      return PolymerTest.flushTasks();
-    }).then(function() {
-      cards = polymerSelectAll(element, 'history-synced-device-card');
-
-      // Go to the next card's menu buttons.
-      MockInteractions.pressAndReleaseKeyOn(focused, 40, [], 'ArrowDown');
-      focused = cards[1].$['collapse-button'];
-      assertEquals(focused, lastFocused);
-
-      MockInteractions.pressAndReleaseKeyOn(focused, 38, [], 'ArrowUp');
-      focused = polymerSelectAll(cards[0], '.website-title')[0];
-      assertEquals(focused, lastFocused);
-
-      // Remove the second card.
-      sessionList.splice(1, 1);
-      setForeignSessions(sessionList.slice());
-      return PolymerTest.flushTasks();
-    }).then(function() {
-      cards = polymerSelectAll(element, 'history-synced-device-card');
-
-      // Pressing down goes to the next card.
-      MockInteractions.pressAndReleaseKeyOn(focused, 40, [], 'ArrowDown');
-      focused = cards[1].$['collapse-button'];
-      assertEquals(focused, lastFocused);
-    });
-  });
-
   test('click synced tab', function(done) {
     setForeignSessions(
         [createSession(