[omnibox] Add chrome://flags flag for kMaxZeroSuggestMatches.

crrev.com/c/2189354 added the feature and param.
This CL adds a chrome://flags entry with variations [5, 15].

Bug: 1079023
Change-Id: I3f9cd812cbc7c3ad2fc1a2bc245d5f2a8cd5ebe8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2311576
Commit-Queue: manuk hovanesian <[email protected]>
Reviewed-by: Justin Donnelly <[email protected]>
Cr-Commit-Position: refs/heads/master@{#790909}
diff --git a/chrome/browser/about_flags.cc b/chrome/browser/about_flags.cc
index ff35253..8acc4a2 100644
--- a/chrome/browser/about_flags.cc
+++ b/chrome/browser/about_flags.cc
@@ -1127,6 +1127,75 @@
 #endif  // defined(OS_ANDROID)
 };
 
+const FeatureEntry::FeatureVariation kMaxZeroSuggestMatchesVariations[] = {
+    {
+        "5",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "5"}},
+        1,
+        nullptr,
+    },
+    {
+        "6",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "6"}},
+        1,
+        nullptr,
+    },
+    {
+        "7",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "7"}},
+        1,
+        nullptr,
+    },
+    {
+        "8",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "8"}},
+        1,
+        nullptr,
+    },
+    {
+        "9",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "9"}},
+        1,
+        nullptr,
+    },
+    {
+        "10",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "10"}},
+        1,
+        nullptr,
+    },
+    {
+        "11",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "11"}},
+        1,
+        nullptr,
+    },
+    {
+        "12",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "12"}},
+        1,
+        nullptr,
+    },
+    {
+        "13",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "13"}},
+        1,
+        nullptr,
+    },
+    {
+        "14",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "14"}},
+        1,
+        nullptr,
+    },
+    {
+        "15",
+        (FeatureEntry::FeatureParam[]){{"MaxZeroSuggestMatches", "15"}},
+        1,
+        nullptr,
+    },
+};
+
 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches3[] = {
     {OmniboxFieldTrial::kUIMaxAutocompleteMatchesParam, "3"}};
 const FeatureEntry::FeatureParam kOmniboxUIMaxAutocompleteMatches4[] = {
@@ -3701,6 +3770,14 @@
      FEATURE_VALUE_TYPE(
          omnibox::kHideSteadyStateUrlPathQueryAndRefOnInteraction)},
 
+    {"omnibox-max-zero-suggest-matches",
+     flag_descriptions::kOmniboxMaxZeroSuggestMatchesName,
+     flag_descriptions::kOmniboxMaxZeroSuggestMatchesDescription,
+     kOsDesktop | kOsAndroid,
+     FEATURE_WITH_PARAMS_VALUE_TYPE(omnibox::kMaxZeroSuggestMatches,
+                                    kMaxZeroSuggestMatchesVariations,
+                                    "OmniboxBundledExperimentV1")},
+
     {"omnibox-ui-max-autocomplete-matches",
      flag_descriptions::kOmniboxUIMaxAutocompleteMatchesName,
      flag_descriptions::kOmniboxUIMaxAutocompleteMatchesDescription,