Android accessibility should not treat whitespace-only nodes as interesting.

content/browser/accessibility/one_shot_accessibility_tree_search_unittest.cc

Index: content/browser/accessibility/one_shot_accessibility_tree_search_unittest.cc
diff --git a/content/browser/accessibility/one_shot_accessibility_tree_search_unittest.cc b/content/browser/accessibility/one_shot_accessibility_tree_search_unittest.cc
index 21dc1c5f687afa43b85f9eba2bb34d320b551bb9..9b34ad36ce8c680529a93d5da38d38c8e77b045c 100644
--- a/content/browser/accessibility/one_shot_accessibility_tree_search_unittest.cc
+++ b/content/browser/accessibility/one_shot_accessibility_tree_search_unittest.cc
@@ -96,6 +96,15 @@ TEST_F(MAYBE_OneShotAccessibilityTreeSearchTest, GetAll) {
   ASSERT_EQ(6U, search.CountMatches());
 }
 
+TEST_F(MAYBE_OneShotAccessibilityTreeSearchTest, NoCycle) {
+  // If you set a result limit of 1, you won't get the root node back as
+  // the first match.
+  OneShotAccessibilityTreeSearch search(tree_->GetRoot());
+  search.SetResultLimit(1);
+  ASSERT_EQ(1U, search.CountMatches());
+  EXPECT_NE(1, search.GetMatchAtIndex(0)->GetId());
+}
+
 TEST_F(MAYBE_OneShotAccessibilityTreeSearchTest, ForwardsWithStartNode) {
   OneShotAccessibilityTreeSearch search(tree_->GetRoot());
   search.SetStartNode(tree_->GetFromID(4));