Removed Games flag for Explore Sites.

Bug: 1029328
Change-Id: I4edcabad6ee26e34d9039c35f8ee4a38720b0210
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1942807
Auto-Submit: Sebastien Lalancette <seblalancette@chromium.org>
Commit-Queue: Jesse Doherty <jwd@chromium.org>
Reviewed-by: Jesse Doherty <jwd@chromium.org>
Reviewed-by: Justin DeWitt <dewittj@chromium.org>
Cr-Commit-Position: refs/heads/master@{#741160}

chrome/browser/about_flags.cc

@@ -1103,14 +1103,8 @@ const FeatureEntry::FeatureParam kExploreSitesDenseTitleRight[] = {
      chrome::android::explore_sites::
          kExploreSitesDenseVariationDenseTitleRight},
 };
-const FeatureEntry::FeatureParam kExploreSitesWithGamesTop[] = {
-    {chrome::android::explore_sites::
-         kExploreSitesHeadersExperimentParameterName,
-     chrome::android::explore_sites::kExploreSitesGamesTopExperiment}};
 const FeatureEntry::FeatureVariation kExploreSitesVariations[] = {
     {"Experimental", &kExploreSitesExperimental, 1, nullptr},
-    {"Games Top", kExploreSitesWithGamesTop,
-     base::size(kExploreSitesWithGamesTop), nullptr},
     {"Dense Title Bottom", kExploreSitesDenseTitleBottom,
      base::size(kExploreSitesDenseTitleBottom), nullptr},
     {"Dense Title Right", kExploreSitesDenseTitleRight,

chrome/browser/android/explore_sites/explore_sites_feature.cc

@@ -16,7 +16,6 @@ const char kExploreSitesVariationParameterName[] = "variation";
 const char kExploreSitesVariationExperimental[] = "experiment";
 
 const char kExploreSitesHeadersExperimentParameterName[] = "exp";
-const char kExploreSitesGamesTopExperiment[] = "games-top";
 
 const char kExploreSitesDenseVariationParameterName[] = "denseVariation";
 const char kExploreSitesDenseVariationOriginal[] = "original";

chrome/browser/android/explore_sites/explore_sites_feature.h

@@ -13,7 +13,6 @@ extern const char kExploreSitesVariationParameterName[];
 extern const char kExploreSitesVariationExperimental[];
 
 extern const char kExploreSitesHeadersExperimentParameterName[];
-extern const char kExploreSitesGamesTopExperiment[];
 
 extern const char kExploreSitesDenseVariationParameterName[];
 extern const char kExploreSitesDenseVariationOriginal[];

testing/variations/fieldtrial_testing_config.json

@@ -2551,7 +2551,6 @@
                     "name": "WithDenseBottom",
                     "params": {
                         "denseVariation": "titleBottom",
-                        "exp": "games-top",
                         "mostLikelyVariation": "groupedIcon",
                         "variation": "mostLikelyTile"
                     },