Omnibox: Don't Let Users Escape Keyword Mode Accidentally

chrome/browser/autocomplete/search_provider_unittest.cc

 // Copyright 2012 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.
 
 #include "chrome/browser/autocomplete/search_provider.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/metrics/field_trial.h"
@@ skipping 27 matching lines @@
 #include "chrome/common/metrics/variations/variations_util.h"
 #include "chrome/common/pref_names.h"
 #include "chrome/test/base/testing_browser_process.h"
 #include "chrome/test/base/testing_profile.h"
 #include "components/variations/entropy_provider.h"
 #include "content/public/test/test_browser_thread_bundle.h"
 #include "net/url_request/test_url_fetcher_factory.h"
 #include "net/url_request/url_request_status.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
+namespace {
+
+// Returns the first match in |matches| with |allowed_to_be_default_match|
+// set to true.
+ACMatches::const_iterator FindDefaultMatch(const ACMatches& matches) {
+  ACMatches::const_iterator it = matches.begin();
+  while ((it != matches.end()) && !it->allowed_to_be_default_match)
+    ++it;
+  return it;
+}
+
+} // namespace
+
 // SearchProviderTest ---------------------------------------------------------
 
 // The following environment is configured for these tests:
 // . The TemplateURL default_t_url_ is set as the default provider.
 // . The TemplateURL keyword_t_url_ is added to the TemplateURLService. This
 //   TemplateURL has a valid suggest and search URL.
 // . The URL created by using the search term term1_ with default_t_url_ is
 //   added to history.
 // . The URL created by using the search term keyword_term_ with keyword_t_url_
 //   is added to history.
 // . test_factory_ is set as the URLFetcherFactory.
 class SearchProviderTest : public testing::Test,
                            public AutocompleteProviderListener {
  public:
   struct ResultInfo {
-    ResultInfo() : result_type(AutocompleteMatchType::NUM_TYPES) {
+    ResultInfo() : result_type(AutocompleteMatchType::NUM_TYPES),
+                   allowed_to_be_default_match(false) {
     }
     ResultInfo(GURL gurl,
                AutocompleteMatch::Type result_type,
+               bool allowed_to_be_default_match,
                string16 fill_into_edit)
       : gurl(gurl),
         result_type(result_type),
+        allowed_to_be_default_match(allowed_to_be_default_match),
         fill_into_edit(fill_into_edit) {
     }
 
     const GURL gurl;
     const AutocompleteMatch::Type result_type;
+    const bool allowed_to_be_default_match;
     const string16 fill_into_edit;
   };
 
   struct TestData {
     const string16 input;
     const size_t num_results;
     const ResultInfo output[3];
   };
 
   SearchProviderTest()
@@ skipping 169 matching lines @@
         ASCIIToUTF16("; prefer_keyword was: ") +
         (prefer_keyword ? ASCIIToUTF16("true") : ASCIIToUTF16("false"));
     EXPECT_EQ(cases[i].num_results, matches.size()) << diagnostic_details;
     if (matches.size() == cases[i].num_results) {
       for (size_t j = 0; j < cases[i].num_results; ++j) {
         EXPECT_EQ(cases[i].output[j].gurl, matches[j].destination_url) <<
             diagnostic_details;
         EXPECT_EQ(cases[i].output[j].result_type, matches[j].type) <<
             diagnostic_details;
         EXPECT_EQ(cases[i].output[j].fill_into_edit,
-                  matches[j].fill_into_edit) <<
-            diagnostic_details;
-        // All callers that use this helper function at the moment produce
-        // matches that are always allowed to be the default match.
-        EXPECT_TRUE(matches[j].allowed_to_be_default_match);
+                  matches[j].fill_into_edit) << diagnostic_details;
+        EXPECT_EQ(cases[i].output[j].allowed_to_be_default_match,
+                  matches[j].allowed_to_be_default_match) << diagnostic_details;
       }
     }
   }
 }
 
 void SearchProviderTest::OnProviderUpdate(bool updated_matches) {
   if (run_loop_ && provider_->done()) {
     run_loop_->Quit();
     run_loop_ = NULL;
   }
@@ skipping 544 matching lines @@
   ASSERT_EQ(3u, result.size());
   EXPECT_EQ(AutocompleteMatchType::SEARCH_HISTORY, result.match_at(0).type);
   EXPECT_EQ(AutocompleteMatchType::SEARCH_OTHER_ENGINE,
             result.match_at(1).type);
   EXPECT_EQ(AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
             result.match_at(2).type);
   EXPECT_GT(result.match_at(0).relevance, result.match_at(1).relevance);
   EXPECT_GT(result.match_at(1).relevance, result.match_at(2).relevance);
   EXPECT_TRUE(result.match_at(0).allowed_to_be_default_match);
   EXPECT_TRUE(result.match_at(1).allowed_to_be_default_match);
-  EXPECT_TRUE(result.match_at(2).allowed_to_be_default_match);
+  EXPECT_FALSE(result.match_at(2).allowed_to_be_default_match);
 
   // The two keyword results should come with the keyword we expect.
   EXPECT_EQ(ASCIIToUTF16("k"), result.match_at(0).keyword);
   EXPECT_EQ(ASCIIToUTF16("k"), result.match_at(1).keyword);
   // The default provider has a different keyword.  (We don't explicitly
   // set it during this test, so all we do is assert that it's different.)
   EXPECT_NE(result.match_at(0).keyword, result.match_at(2).keyword);
 
   // The top result will always have a description.  The third result,
   // coming from a different provider than the first two, should also.
   // Whether the second result has one doesn't matter much.  (If it was
   // missing, people would infer that it's the same search provider as
   // the one above it.)
   EXPECT_FALSE(result.match_at(0).description.empty());
   EXPECT_FALSE(result.match_at(2).description.empty());
   EXPECT_NE(result.match_at(0).description, result.match_at(2).description);
 }
 
 TEST_F(SearchProviderTest, KeywordVerbatim) {
   TestData cases[] = {
     // Test a simple keyword input.
     { ASCIIToUTF16("k foo"), 2,
       { ResultInfo(GURL("http://keyword/foo"),
                    AutocompleteMatchType::SEARCH_OTHER_ENGINE,
+                   true,
                    ASCIIToUTF16("k foo")),
         ResultInfo(GURL("http://defaultturl/k%20foo"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   false,
                    ASCIIToUTF16("k foo") ) } },
 
     // Make sure extra whitespace after the keyword doesn't change the
     // keyword verbatim query.
     { ASCIIToUTF16("k   foo"), 2,
       { ResultInfo(GURL("http://keyword/foo"),
                    AutocompleteMatchType::SEARCH_OTHER_ENGINE,
+                   true,
                    ASCIIToUTF16("k foo")),
         ResultInfo(GURL("http://defaultturl/k%20%20%20foo"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   false,
                    ASCIIToUTF16("k   foo")) } },
     // Leading whitespace should be stripped before SearchProvider gets the
     // input; hence there are no tests here about how it handles those inputs.
 
     // But whitespace elsewhere in the query string should matter to both
     // matches.
     { ASCIIToUTF16("k  foo  bar"), 2,
       { ResultInfo(GURL("http://keyword/foo%20%20bar"),
                    AutocompleteMatchType::SEARCH_OTHER_ENGINE,
+                   true,
                    ASCIIToUTF16("k foo  bar")),
         ResultInfo(GURL("http://defaultturl/k%20%20foo%20%20bar"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   false,
                    ASCIIToUTF16("k  foo  bar")) } },
     // Note in the above test case we don't test trailing whitespace because
     // SearchProvider still doesn't handle this well.  See related bugs:
     // 102690, 99239, 164635.
 
     // Keywords can be prefixed by certain things that should get ignored
     // when constructing the keyword match.
     { ASCIIToUTF16("www.k foo"), 2,
       { ResultInfo(GURL("http://keyword/foo"),
                    AutocompleteMatchType::SEARCH_OTHER_ENGINE,
+                   true,
                    ASCIIToUTF16("k foo")),
         ResultInfo(GURL("http://defaultturl/www.k%20foo"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   false,
                    ASCIIToUTF16("www.k foo")) } },
     { ASCIIToUTF16("http://k foo"), 2,
       { ResultInfo(GURL("http://keyword/foo"),
                    AutocompleteMatchType::SEARCH_OTHER_ENGINE,
+                   true,
                    ASCIIToUTF16("k foo")),
         ResultInfo(GURL("http://defaultturl/http%3A//k%20foo"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   false,
                    ASCIIToUTF16("http://k foo")) } },
     { ASCIIToUTF16("http://www.k foo"), 2,
       { ResultInfo(GURL("http://keyword/foo"),
                    AutocompleteMatchType::SEARCH_OTHER_ENGINE,
+                   true,
                    ASCIIToUTF16("k foo")),
         ResultInfo(GURL("http://defaultturl/http%3A//www.k%20foo"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   false,
                    ASCIIToUTF16("http://www.k foo")) } },
 
     // A keyword with no remaining input shouldn't get a keyword
     // verbatim match.
     { ASCIIToUTF16("k"), 1,
       { ResultInfo(GURL("http://defaultturl/k"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   true,
                    ASCIIToUTF16("k")) } },
     { ASCIIToUTF16("k "), 1,
       { ResultInfo(GURL("http://defaultturl/k%20"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   true,
                    ASCIIToUTF16("k ")) } }
 
     // The fact that verbatim queries to keyword are handled by KeywordProvider
     // not SearchProvider is tested in
     // chrome/browser/extensions/api/omnibox/omnibox_apitest.cc.
   };
 
   // Test not in keyword mode.
   RunTest(cases, arraysize(cases), false);
 
@@ skipping 17 matching lines @@
 
   CommandLine::ForCurrentProcess()->AppendSwitchASCII(switches::kGoogleBaseURL,
                                                       "http://www.bar.com/");
   CommandLine::ForCurrentProcess()->AppendSwitchASCII(
       switches::kExtraSearchQueryParams, "a=b");
 
   TestData cases[] = {
     { ASCIIToUTF16("k a"), 2,
       { ResultInfo(GURL("http://keyword/a"),
                    AutocompleteMatchType::SEARCH_OTHER_ENGINE,
+                   true,
                    ASCIIToUTF16("k a")),
         ResultInfo(GURL("http://www.bar.com/k%20a?a=b"),
                    AutocompleteMatchType::SEARCH_WHAT_YOU_TYPED,
+                   false,
                    ASCIIToUTF16("k a")) } },
   };
 
   RunTest(cases, arraysize(cases), false);
 }
 
 // Verifies Navsuggest results don't set a TemplateURL, which Instant relies on.
 // Also verifies that just the *first* navigational result is listed as a match
 // if suggested relevance scores were not sent.
 TEST_F(SearchProviderTest, NavSuggestNoSuggestedRelevanceScores) {
@@ skipping 623 matching lines @@
         test_factory_.GetFetcherByID(
             SearchProvider::kDefaultProviderURLFetcherID);
     ASSERT_TRUE(fetcher);
     fetcher->set_response_code(200);
     fetcher->SetResponseString(cases[i].json);
     fetcher->delegate()->OnURLFetchComplete(fetcher);
     RunTillProviderDone();
 
     const std::string description = "for input with json=" + cases[i].json;
     const ACMatches& matches = provider_->matches();
-    // The top match must inline and score as highly as calculated verbatim.
     ASSERT_FALSE(matches.empty());
+    // Find the first match that's allowed to be the default match and check
+    // its inline_autocompletion.
+    ACMatches::const_iterator it = FindDefaultMatch(matches);
+    ASSERT_NE(matches.end(), it);
     EXPECT_EQ(ASCIIToUTF16(cases[i].inline_autocompletion),
-              matches[0].inline_autocompletion) << description;
+              it->inline_autocompletion) << description;
 
     ASSERT_LE(matches.size(), ARRAYSIZE_UNSAFE(cases[i].matches));
     size_t j = 0;
     // Ensure that the returned matches equal the expectations.
     for (; j < matches.size(); ++j) {
       EXPECT_EQ(ASCIIToUTF16(cases[i].matches[j].contents),
                 matches[j].contents) << description;
       EXPECT_EQ(cases[i].matches[j].allowed_to_be_default_match,
                 matches[j].allowed_to_be_default_match) << description;
     }
@@ skipping 22 matching lines @@
   struct {
     const std::string json;
     const KeywordFetcherMatch matches[6];
     const std::string inline_autocompletion;
   } cases[] = {
     // Ensure that suggest relevance scores reorder matches and that
     // the keyword verbatim (lacking a suggested verbatim score) beats
     // the default provider verbatim.
     { "[\"a\",[\"b\", \"c\"],[],[],{\"google:suggestrelevance\":[1, 2]}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         { "c",   true,  false },
         { "b",   true,  false },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     // Again, check that relevance scores reorder matches, just this
     // time with navigation matches.  This also checks that with
     // suggested relevance scores we allow multiple navsuggest results.
-    // It's odd that navsuggest results that come from a keyword
-    // provider are marked as not a keyword result.  I think this
-    // comes from them not going to a keyword search engine).
-    // TODO(mpearson): Investigate the implications (if any) of
-    // tagging these results appropriately.  If so, do it because it
-    // makes more sense.
+    // Note that navsuggest results that come from a keyword provider
+    // are marked as not a keyword result.  (They don't go to a
+    // keyword search engine.)
     { "[\"a\",[\"http://b.com\", \"http://c.com\", \"d\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
        "\"google:suggestrelevance\":[1301, 1302, 1303]}]",
       { { "a",     true,  true },
         { "d",     true,  false },
         { "c.com", false, false },
         { "b.com", false, false },
-        { "k a",   false, true },
+        { "k a",   false, false },
         kEmptyMatch },
       std::string() },
 
     // Without suggested relevance scores, we should only allow one
     // navsuggest result to be be displayed.
     { "[\"a\",[\"http://b.com\", \"http://c.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"]}]",
       { { "a",     true,  true },
         { "b.com", false, false },
-        { "k a",   false, true },
+        { "k a",   false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Ensure that verbatimrelevance scores reorder or suppress verbatim.
     // Negative values will have no effect; the calculated value will be used.
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":9999,"
                              "\"google:suggestrelevance\":[9998]}]",
       { { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":9998,"
                              "\"google:suggestrelevance\":[9999]}]",
       { { "a1",  true,  true },
         { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       "1" },
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":0,"
                              "\"google:suggestrelevance\":[9999]}]",
       { { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
       "1" },
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":-1,"
                              "\"google:suggestrelevance\":[9999]}]",
       { { "a1",  true,  true },
         { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       "1" },
     { "[\"a\",[\"http://a.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
         "\"google:verbatimrelevance\":9999,"
         "\"google:suggestrelevance\":[9998]}]",
       { { "a",     true,  true },
-        { "a.com", false, true },
-        { "k a",   false, true },
+        { "a.com", false, false },
+        { "k a",   false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Ensure that both types of relevance scores reorder matches together.
     { "[\"a\",[\"a1\", \"a2\"],[],[],{\"google:suggestrelevance\":[9999, 9997],"
                                      "\"google:verbatimrelevance\":9998}]",
       { { "a1",  true,  true },
         { "a",   true,  true },
         { "a2",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch },
       "1" },
 
     // Ensure that only inlinable matches may be ranked as the highest result.
     // Ignore all suggested relevance scores if this constraint is violated.
     { "[\"a\",[\"b\"],[],[],{\"google:suggestrelevance\":[9999]}]",
       { { "a",   true,  true },
         { "b",   true,  false },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"b\"],[],[],{\"google:suggestrelevance\":[9999],"
                             "\"google:verbatimrelevance\":0}]",
       { { "a",   true,  true },
         { "b",   true,  false },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://b.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
         "\"google:suggestrelevance\":[9999]}]",
       { { "a",     true,  true },
         { "b.com", false, false },
-        { "k a",   false, true },
+        { "k a",   false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://b.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
         "\"google:suggestrelevance\":[9999],"
         "\"google:verbatimrelevance\":0}]",
       { { "a",     true,  true },
         { "b.com", false, false },
-        { "k a",   false, true },
+        { "k a",   false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Ensure that the top result is ranked as highly as calculated verbatim.
     // Ignore the suggested verbatim relevance if this constraint is violated.
     // Note that keyword suggestions by default (not in suggested relevance
     // mode) score more highly than the default verbatim.
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":0}]",
       { { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":1}]",
       { { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     // Continuing the same category of tests, but make sure we keep the
     // suggested relevance scores even as we discard the verbatim relevance
     // scores.
     { "[\"a\",[\"a1\"],[],[],{\"google:suggestrelevance\":[1],"
                              "\"google:verbatimrelevance\":0}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         { "a1",   true, true },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"a1\", \"a2\"],[],[],{\"google:suggestrelevance\":[1, 2],"
                                      "\"google:verbatimrelevance\":0}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         { "a2",  true,  true },
         { "a1",  true,  true },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"a1\", \"a2\"],[],[],{\"google:suggestrelevance\":[1, 3],"
       "\"google:verbatimrelevance\":2}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         { "a2",  true,  true },
         { "a1",  true,  true },
         kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Ensure that all suggestions are considered, regardless of order.
     { "[\"a\",[\"b\", \"c\", \"d\", \"e\", \"f\", \"g\", \"h\"],[],[],"
        "{\"google:suggestrelevance\":[1, 2, 3, 4, 5, 6, 7]}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         { "h",   true,  false },
         { "g",   true,  false },
         { "f",   true,  false },
         { "e",   true,  false } },
       std::string() },
     { "[\"a\",[\"http://b.com\", \"http://c.com\", \"http://d.com\","
               "\"http://e.com\", \"http://f.com\", \"http://g.com\","
               "\"http://h.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\","
                                 "\"NAVIGATION\", \"NAVIGATION\","
                                 "\"NAVIGATION\", \"NAVIGATION\","
                                 "\"NAVIGATION\"],"
         "\"google:suggestrelevance\":[1, 2, 3, 4, 5, 6, 7]}]",
       { { "a",     true,  true },
-        { "k a",   false, true },
+        { "k a",   false, false },
         { "h.com", false, false },
         { "g.com", false, false },
         { "f.com", false, false },
         { "e.com", false, false } },
       std::string() },
 
     // Ensure that incorrectly sized suggestion relevance lists are ignored.
     // Note that keyword suggestions by default (not in suggested relevance
     // mode) score more highly than the default verbatim.
     { "[\"a\",[\"a1\", \"a2\"],[],[],{\"google:suggestrelevance\":[1]}]",
       { { "a",   true,  true },
         { "a1",  true,  true },
         { "a2",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"a1\"],[],[],{\"google:suggestrelevance\":[9999, 1]}]",
       { { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     // In this case, ignoring the suggested relevance scores means we keep
     // only one navsuggest result.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:suggestrelevance\":[1]}]",
       { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+        { "a1.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://a1.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
        "\"google:suggestrelevance\":[9999, 1]}]",
       { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+        { "a1.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Ensure that all 'verbatim' results are merged with their maximum score.
     { "[\"a\",[\"a\", \"a1\", \"a2\"],[],[],"
        "{\"google:suggestrelevance\":[9998, 9997, 9999]}]",
       { { "a2",  true,  true },
         { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch },
       "2" },
     { "[\"a\",[\"a\", \"a1\", \"a2\"],[],[],"
        "{\"google:suggestrelevance\":[9998, 9997, 9999],"
         "\"google:verbatimrelevance\":0}]",
       { { "a2",  true,  true },
         { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch },
       "2" },
 
     // Ensure that verbatim is always generated without other suggestions.
     // TODO(mpearson): Ensure the value of verbatimrelevance is respected
     // (except when suggested relevances are ignored).
     { "[\"a\",[],[],[],{\"google:verbatimrelevance\":1}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[],[],[],{\"google:verbatimrelevance\":0}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Check that navsuggestions will be demoted below queries.
     // (Navsuggestions are not allowed to appear first.)  In the process,
     // make sure the navsuggestions still remain in the same order.
     // First, check the situation where navsuggest scores more than verbatim
     // and there are no query suggestions.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9998, 9999]}]",
       { { "a",      true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+        { "a2.com", false, false },
+        { "a1.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9999, 9998]}]",
       { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
-        { "k a",    false, true },
+        { "a1.com", false, false },
+        { "a2.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"https://a/\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
         "\"google:suggestrelevance\":[9999]}]",
-      { { "a",         true, true },
-        { "https://a", false, true },
-        { "k a",       false, true },
+      { { "a",         true,  true },
+        { "https://a", false, false },
+        { "k a",       false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     // Check when navsuggest scores more than verbatim and there is query
     // suggestion but it scores lower.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9998, 9999, 1300]}]",
       { { "a",      true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
+        { "a2.com", false, false },
+        { "a1.com", false, false },
         { "a3",     true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9999, 9998, 1300]}]",
       { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
+        { "a1.com", false, false },
+        { "a2.com", false, false },
         { "a3",     true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       std::string() },
     // Check when navsuggest scores more than a query suggestion.  There is
     // a verbatim but it scores lower.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9998, 9999, 9997]}]",
       { { "a3",     true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
+        { "a2.com", false, false },
+        { "a1.com", false, false },
         { "a",      true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       "3" },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9999, 9998, 9997]}]",
       { { "a3",     true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
+        { "a1.com", false, false },
+        { "a2.com", false, false },
         { "a",      true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       "3" },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":0,"
         "\"google:suggestrelevance\":[9998, 9999, 9997]}]",
       { { "a3",     true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+        { "a2.com", false, false },
+        { "a1.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch },
       "3" },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":0,"
         "\"google:suggestrelevance\":[9999, 9998, 9997]}]",
       { { "a3",     true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
-        { "k a",    false, true },
+        { "a1.com", false, false },
+        { "a2.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch },
       "3" },
     // Check when there is neither verbatim nor a query suggestion that,
     // because we can't demote navsuggestions below a query suggestion,
     // we abandon suggested relevance scores entirely.  One consequence is
     // that this means we restore the keyword verbatim match.  Note
     // that in this case of abandoning suggested relevance scores, we still
     // keep the navsuggestions in the same order, but we revert to only allowing
     // one navigation to appear because the scores are completely local.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:verbatimrelevance\":0,"
         "\"google:suggestrelevance\":[9998, 9999]}]",
       { { "a",      true,  true },
-        { "a2.com", false, true },
-        { "k a",    false, true },
+        { "a2.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:verbatimrelevance\":0,"
         "\"google:suggestrelevance\":[9999, 9998]}]",
       { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+        { "a1.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     // More checks that everything works when it's not necessary to demote.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9997, 9998, 9999]}]",
       { { "a3",     true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
+        { "a2.com", false, false },
+        { "a1.com", false, false },
         { "a",      true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       "3" },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9998, 9997, 9999]}]",
       { { "a3",     true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
+        { "a1.com", false, false },
+        { "a2.com", false, false },
         { "a",      true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       "3" },
   };
 
   for (size_t i = 0; i < ARRAYSIZE_UNSAFE(cases); i++) {
     QueryForInput(ASCIIToUTF16("k a"), false, true);
 
     // Set up a default fetcher with no results.
     net::TestURLFetcher* default_fetcher =
         test_factory_.GetFetcherByID(
@@ skipping 56 matching lines @@
   struct {
     const std::string json;
     const KeywordFetcherMatch matches[6];
     const std::string inline_autocompletion;
   } cases[] = {
     // Ensure that suggest relevance scores reorder matches and that
     // the keyword verbatim (lacking a suggested verbatim score) beats
     // the default provider verbatim.
     { "[\"a\",[\"b\", \"c\"],[],[],{\"google:suggestrelevance\":[1, 2]}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         { "c",   true,  false },
         { "b",   true,  false },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     // Again, check that relevance scores reorder matches, just this
     // time with navigation matches.  This also checks that with
     // suggested relevance scores we allow multiple navsuggest results.
-    // It's odd that navsuggest results that come from a keyword
-    // provider are marked as not a keyword result.  I think this
-    // comes from them not going to a keyword search engine.
-    // TODO(mpearson): Investigate the implications (if any) of
-    // tagging these results appropriately.  If so, do it because it
-    // makes more sense.
+    // Note that navsuggest results that come from a keyword provider
+    // are marked as not a keyword result.  (They don't go to a
+    // keyword search engine.)
     { "[\"a\",[\"http://b.com\", \"http://c.com\", \"d\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
        "\"google:suggestrelevance\":[1301, 1302, 1303]}]",
       { { "a",     true,  true },
         { "d",     true,  false },
         { "c.com", false, false },
         { "b.com", false, false },
-        { "k a",   false, true },
+        { "k a",   false, false },
         kEmptyMatch },
       std::string() },
 
     // Without suggested relevance scores, we should only allow one
     // navsuggest result to be be displayed.
     { "[\"a\",[\"http://b.com\", \"http://c.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"]}]",
       { { "a",     true,  true },
         { "b.com", false, false },
-        { "k a",   false, true },
+        { "k a",   false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Ensure that verbatimrelevance scores reorder or suppress verbatim.
     // Negative values will have no effect; the calculated value will be used.
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":9999,"
                              "\"google:suggestrelevance\":[9998]}]",
       { { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":9998,"
                              "\"google:suggestrelevance\":[9999]}]",
       { { "a1",  true,  true },
         { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       "1" },
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":0,"
                              "\"google:suggestrelevance\":[9999]}]",
       { { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
       "1" },
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":-1,"
                              "\"google:suggestrelevance\":[9999]}]",
       { { "a1",  true,  true },
         { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       "1" },
     { "[\"a\",[\"http://a.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
         "\"google:verbatimrelevance\":9999,"
         "\"google:suggestrelevance\":[9998]}]",
       { { "a",     true,  true },
-        { "a.com", false, true },
-        { "k a",   false, true },
+        { "a.com", false, false },
+        { "k a",   false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Ensure that both types of relevance scores reorder matches together.
     { "[\"a\",[\"a1\", \"a2\"],[],[],{\"google:suggestrelevance\":[9999, 9997],"
                                      "\"google:verbatimrelevance\":9998}]",
       { { "a1",  true,  true },
         { "a",   true,  true },
         { "a2",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch },
       "1" },
 
     // Check that non-inlinable matches may be ranked as the highest result
     // if there is at least one inlineable match.
     { "[\"a\",[\"b\"],[],[],{\"google:suggestrelevance\":[9999]}]",
       { { "b",   true,  false },
         { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
-    { "[\"a\",[\"b\"],[],[],{\"google:suggestrelevance\":[9999],"
-                            "\"google:verbatimrelevance\":0}]",
-      { { "b",   true,  false },
-        { "k a", false, true },
-        kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
-      std::string() },
     { "[\"a\",[\"http://b.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
         "\"google:suggestrelevance\":[9999]}]",
       { { "b.com", false, false },
         { "a",     true,  true },
-        { "k a",   false, true },
+        { "k a",   false, false },
+        kEmptyMatch, kEmptyMatch, kEmptyMatch },
+      std::string() },
+    // On the other hand, if there is no inlineable match, restore
+    // the keyword verbatim score.
+    { "[\"a\",[\"b\"],[],[],{\"google:suggestrelevance\":[9999],"
+                            "\"google:verbatimrelevance\":0}]",
+      { { "b",   true,  false },
+        { "a",   true,  true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://b.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
         "\"google:suggestrelevance\":[9999],"
         "\"google:verbatimrelevance\":0}]",
       { { "b.com", false, false },
-        { "k a",   false, true },
-        kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
+        { "a",     true,  true },
+        { "k a",   false, false },
+        kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // The top result does not have to score as highly as calculated
     // verbatim.  i.e., there are no minimum score restrictions in
     // this provider.
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":0}]",
       { { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
       "1" },
     { "[\"a\",[\"a1\"],[],[],{\"google:verbatimrelevance\":1}]",
       { { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         { "a",   true,  true },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       "1" },
     { "[\"a\",[\"a1\"],[],[],{\"google:suggestrelevance\":[1],"
                              "\"google:verbatimrelevance\":0}]",
-      { { "k a", false, true },
+      { { "k a", false, false },
         { "a1",   true, true },
         kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
-      std::string() },
+      "1" },
     { "[\"a\",[\"a1\", \"a2\"],[],[],{\"google:suggestrelevance\":[1, 2],"
                                      "\"google:verbatimrelevance\":0}]",
       {
-        { "k a", false, true },
+        { "k a", false, false },
         { "a2",  true,  true },
         { "a1",  true,  true },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
-      std::string() },
+      "2" },
     { "[\"a\",[\"a1\", \"a2\"],[],[],{\"google:suggestrelevance\":[1, 3],"
       "\"google:verbatimrelevance\":2}]",
-      { { "k a", false, true },
+      { { "k a", false, false },
         { "a2",  true,  true },
         { "a",   true,  true },
         { "a1",  true,  true },
         kEmptyMatch, kEmptyMatch },
-      std::string() },
+      "2" },
 
     // Ensure that all suggestions are considered, regardless of order.
     { "[\"a\",[\"b\", \"c\", \"d\", \"e\", \"f\", \"g\", \"h\"],[],[],"
        "{\"google:suggestrelevance\":[1, 2, 3, 4, 5, 6, 7]}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         { "h",   true,  false },
         { "g",   true,  false },
         { "f",   true,  false },
         { "e",   true,  false } },
       std::string() },
     { "[\"a\",[\"http://b.com\", \"http://c.com\", \"http://d.com\","
               "\"http://e.com\", \"http://f.com\", \"http://g.com\","
               "\"http://h.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\","
                                 "\"NAVIGATION\", \"NAVIGATION\","
                                 "\"NAVIGATION\", \"NAVIGATION\","
                                 "\"NAVIGATION\"],"
         "\"google:suggestrelevance\":[1, 2, 3, 4, 5, 6, 7]}]",
       { { "a",     true,  true },
-        { "k a",   false, true },
+        { "k a",   false, false },
         { "h.com", false, false },
         { "g.com", false, false },
         { "f.com", false, false },
         { "e.com", false, false } },
       std::string() },
 
     // Ensure that incorrectly sized suggestion relevance lists are ignored.
     // Note that keyword suggestions by default (not in suggested relevance
     // mode) score more highly than the default verbatim.
     { "[\"a\",[\"a1\", \"a2\"],[],[],{\"google:suggestrelevance\":[1]}]",
       { { "a",   true,  true },
         { "a1",  true,  true },
         { "a2",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"a1\"],[],[],{\"google:suggestrelevance\":[9999, 1]}]",
       { { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     // In this case, ignoring the suggested relevance scores means we keep
     // only one navsuggest result.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:suggestrelevance\":[1]}]",
       { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+        { "a1.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://a1.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
        "\"google:suggestrelevance\":[9999, 1]}]",
       { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+        { "a1.com", false, false },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
     // Ensure that all 'verbatim' results are merged with their maximum score.
     { "[\"a\",[\"a\", \"a1\", \"a2\"],[],[],"
        "{\"google:suggestrelevance\":[9998, 9997, 9999]}]",
       { { "a2",  true,  true },
         { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch },
       "2" },
     { "[\"a\",[\"a\", \"a1\", \"a2\"],[],[],"
        "{\"google:suggestrelevance\":[9998, 9997, 9999],"
         "\"google:verbatimrelevance\":0}]",
       { { "a2",  true,  true },
         { "a",   true,  true },
         { "a1",  true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch },
       "2" },
 
     // Ensure that verbatim is always generated without other suggestions.
     // TODO(mpearson): Ensure the value of verbatimrelevance is respected
     // (except when suggested relevances are ignored).
     { "[\"a\",[],[],[],{\"google:verbatimrelevance\":1}]",
-      { { "k a", false, true },
+      { { "k a", false, false },
         { "a",   true,  true },
         kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[],[],[],{\"google:verbatimrelevance\":0}]",
       { { "a",   true,  true },
-        { "k a", false, true },
+        { "k a", false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
 
-    // Check that navsuggestions will be demoted below queries.
-    // (Navsuggestions are not allowed to appear first.)  In the process,
-    // make sure the navsuggestions still remain in the same order.
-    // First, check the situation where navsuggest scores more than verbatim
-    // and there are no query suggestions.
+    // In reorder mode, navsuggestions will not need to be demoted (because
+    // they are marked as not allowed to be default match and will be
+    // reordered as necessary).
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9998, 9999]}]",
-      { { "a",      true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+      { { "a2.com", false, false },
+        { "a1.com", false, false },
+        { "a",      true,  true },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9999, 9998]}]",
-      { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
-        { "k a",    false, true },
+      { { "a1.com", false, false },
+        { "a2.com", false, false },
+        { "a",      true,  true },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"https://a/\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\"],"
         "\"google:suggestrelevance\":[9999]}]",
-      { { "a",         true,  true },
-        { "https://a", false, true },
-        { "k a",       false, true },
+      { { "https://a", false, false },
+        { "a",         true,  true },
+        { "k a",       false, false },
         kEmptyMatch, kEmptyMatch, kEmptyMatch },
       std::string() },
     // Check when navsuggest scores more than verbatim and there is query
     // suggestion but it scores lower.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9998, 9999, 1300]}]",
-      { { "a",      true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
+      { { "a2.com", false, false },
+        { "a1.com", false, false },
+        { "a",      true,  true },
         { "a3",     true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9999, 9998, 1300]}]",
-      { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
+      { { "a1.com", false, false },
+        { "a2.com", false, false },
+        { "a",      true,  true },
         { "a3",     true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       std::string() },
     // Check when navsuggest scores more than a query suggestion.  There is
     // a verbatim but it scores lower.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9998, 9999, 9997]}]",
-      { { "a3",     true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
+      { { "a2.com", false, false },
+        { "a1.com", false, false },
+        { "a3",     true,  true },
         { "a",      true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       "3" },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9999, 9998, 9997]}]",
-      { { "a3",     true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
+      { { "a1.com", false, false },
+        { "a2.com", false, false },
+        { "a3",     true,  true },
         { "a",      true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       "3" },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":0,"
         "\"google:suggestrelevance\":[9998, 9999, 9997]}]",
-      { { "a3",     true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
+      { { "a2.com", false, false },
+        { "a1.com", false, false },
+        { "a3",     true,  true },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch },
       "3" },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":0,"
         "\"google:suggestrelevance\":[9999, 9998, 9997]}]",
-      { { "a3",     true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
-        { "k a",    false, true },
+      { { "a1.com", false, false },
+        { "a2.com", false, false },
+        { "a3",     true,  true },
+        { "k a",    false, false },
         kEmptyMatch, kEmptyMatch },
       "3" },
     // Check when there is neither verbatim nor a query suggestion that,
     // because we can't demote navsuggestions below a query suggestion,
-    // we abandon suggested relevance scores entirely.  One consequence is
-    // that this means we restore the keyword verbatim match.  Note
-    // that in this case of abandoning suggested relevance scores, we still
-    // keep the navsuggestions in the same order, but we revert to only allowing
-    // one navigation to appear because the scores are completely local.
+    // we restore the keyword verbatim score.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:verbatimrelevance\":0,"
         "\"google:suggestrelevance\":[9998, 9999]}]",
-      { { "a",      true,  true },
-        { "a2.com", false, true },
-        { "k a",    false, true },
-        kEmptyMatch, kEmptyMatch, kEmptyMatch },
+      { { "a2.com", false, false },
+        { "a1.com", false, false },
+        { "a",      true,  true },
+        { "k a",    false, false },
+        kEmptyMatch, kEmptyMatch },
       std::string() },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\"],"
         "\"google:verbatimrelevance\":0,"
         "\"google:suggestrelevance\":[9999, 9998]}]",
-      { { "a",      true,  true },
-        { "a1.com", false, true },
-        { "k a",    false, true },
-        kEmptyMatch, kEmptyMatch, kEmptyMatch },
+      { { "a1.com", false, false },
+        { "a2.com", false, false },
+        { "a",      true,  true },
+        { "k a",    false, false },
+        kEmptyMatch, kEmptyMatch },
       std::string() },
     // More checks that everything works when it's not necessary to demote.
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9997, 9998, 9999]}]",
       { { "a3",     true,  true },
-        { "a2.com", false, true },
-        { "a1.com", false, true },
+        { "a2.com", false, false },
+        { "a1.com", false, false },
         { "a",      true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       "3" },
     { "[\"a\",[\"http://a1.com\", \"http://a2.com\", \"a3\"],[],[],"
        "{\"google:suggesttype\":[\"NAVIGATION\", \"NAVIGATION\", \"QUERY\"],"
         "\"google:verbatimrelevance\":9990,"
         "\"google:suggestrelevance\":[9998, 9997, 9999]}]",
       { { "a3",     true,  true },
-        { "a1.com", false, true },
-        { "a2.com", false, true },
+        { "a1.com", false, false },
+        { "a2.com", false, false },
         { "a",      true,  true },
-        { "k a",    false, true },
+        { "k a",    false, false },
         kEmptyMatch },
       "3" },
   };
 
   std::map<std::string, std::string> params;
   params[std::string(OmniboxFieldTrial::kReorderForLegalDefaultMatchRule) +
       ":*:*"] = OmniboxFieldTrial::kReorderForLegalDefaultMatchRuleEnabled;
   ASSERT_TRUE(chrome_variations::AssociateVariationParams(
       OmniboxFieldTrial::kBundledExperimentFieldTrialName, "A", params));
   base::FieldTrialList::CreateFieldTrial(
@@ skipping 17 matching lines @@
             SearchProvider::kKeywordProviderURLFetcherID);
     ASSERT_TRUE(keyword_fetcher);
     keyword_fetcher->set_response_code(200);
     keyword_fetcher->SetResponseString(cases[i].json);
     keyword_fetcher->delegate()->OnURLFetchComplete(keyword_fetcher);
     keyword_fetcher = NULL;
     RunTillProviderDone();
 
     const std::string description = "for input with json=" + cases[i].json;
     const ACMatches& matches = provider_->matches();
-    // The top match must inline and score as highly as calculated verbatim.
     ASSERT_FALSE(matches.empty());
+    // Find the first match that's allowed to be the default match and check
+    // its inline_autocompletion.
+    ACMatches::const_iterator it = FindDefaultMatch(matches);
+    ASSERT_NE(matches.end(), it);
     EXPECT_EQ(ASCIIToUTF16(cases[i].inline_autocompletion),
-              matches[0].inline_autocompletion) << description;
+              it->inline_autocompletion) << description;
 
     ASSERT_LE(matches.size(), ARRAYSIZE_UNSAFE(cases[i].matches));
     size_t j = 0;
     // Ensure that the returned matches equal the expectations.
     for (; j < matches.size(); ++j) {
       EXPECT_EQ(ASCIIToUTF16(cases[i].matches[j].contents),
                 matches[j].contents) << description;
       EXPECT_EQ(cases[i].matches[j].from_keyword,
                 matches[j].keyword == ASCIIToUTF16("k")) << description;
       EXPECT_EQ(cases[i].matches[j].allowed_to_be_default_match,
@@ skipping 1372 matching lines @@
       AutocompleteInput::OTHER, &profile_));
   encrypted_types.Remove(syncer::SESSIONS);
   service->OnEncryptedTypesChanged(encrypted_types, false);
 
   // Check that there were no side effects from previous tests.
   EXPECT_TRUE(SearchProvider::CanSendURL(
       GURL("http://www.google.com/search"),
       GURL("https://www.google.com/complete/search"), &google_template_url,
       AutocompleteInput::OTHER, &profile_));
 }