Omnibox UI Experiments: Add feature flags for 3 URL elision experiments.

chrome/browser/about_flags.cc

 // Copyright (c) 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/about_flags.h"
 
 #include <iterator>
 #include <map>
 #include <set>
 #include <utility>
@@ skipping 2971 matching lines @@
     {"enable-heap-profiling", flag_descriptions::kEnableHeapProfilingName,
      flag_descriptions::kEnableHeapProfilingDescription, kOsAll,
      MULTI_VALUE_TYPE(kEnableHeapProfilingChoices)},
 
 #if defined(TOOLKIT_VIEWS) || (defined(OS_MACOSX) && !defined(OS_IOS))
     {"show-cert-link", flag_descriptions::kShowCertLinkOnPageInfoName,
      flag_descriptions::kShowCertLinkOnPageInfoDescription, kOsDesktop,
      SINGLE_VALUE_TYPE(switches::kShowCertLink)},
 #endif
 
+    {"omnibox-ui-hide-suggestion-url-path",
+     flag_descriptions::kOmniboxUIHideSuggestionUrlPathName,
+     flag_descriptions::kOmniboxUIHideSuggestionUrlPathDescription, kOsDesktop,
+     FEATURE_VALUE_TYPE(omnibox::kUIExperimentHideSuggestionUrlPath)},
+
+    {"omnibox-ui-hide-suggestion-url-protocol",
+     flag_descriptions::kOmniboxUIHideSuggestionUrlProtocolName,
+     flag_descriptions::kOmniboxUIHideSuggestionUrlProtocolDescription,
+     kOsDesktop,
+     FEATURE_VALUE_TYPE(omnibox::kUIExperimentHideSuggestionUrlProtocol)},
+
+    {"omnibox-ui-hide-suggestion-url-subdomain",
+     flag_descriptions::kOmniboxUIHideSuggestionUrlSubdomainName,

[Justin Donnelly, 2017/06/13 20:58:12]

"Hide subdomain" feels like it's over-specifying what this is intended to do. I
know it'll make the identifiers somewhat ridiculously long, but how about adding
"trivial" to these? For example,
kOmniboxUIHideSuggestionUrlTrivialSubdomainsName, etc.

[tommycli, 2017/06/13 21:47:09]

Done.

+     flag_descriptions::kOmniboxUIHideSuggestionUrlSubdomainDescription,
+     kOsDesktop,
+     FEATURE_VALUE_TYPE(omnibox::kUIExperimentHideSuggestionUrlSubdomain)},
+
     {"omnibox-ui-max-autocomplete-matches",
      flag_descriptions::kOmniboxUIMaxAutocompleteMatchesName,
      flag_descriptions::kOmniboxUIMaxAutocompleteMatchesDescription, kOsDesktop,
      FEATURE_WITH_PARAMS_VALUE_TYPE(
          omnibox::kUIExperimentMaxAutocompleteMatches,
          kOmniboxUIMaxAutocompleteMatchesVariations,
          "OmniboxUIMaxAutocompleteVariations")},
 
     {"omnibox-ui-vertical-layout",
      flag_descriptions::kOmniboxUIVerticalLayoutName,
@@ skipping 288 matching lines @@
 const base::HistogramBase::Sample kBadSwitchFormatHistogramId = 0;
 
 const FeatureEntry* GetFeatureEntries(size_t* count) {
   *count = arraysize(kFeatureEntries);
   return kFeatureEntries;
 }
 
 }  // namespace testing
 
 }  // namespace about_flags