[ios] Remove Start feature params

Change-Id: I41ea35ae7158dd81ee08fc6def5a65f440457c9a
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4846539
Reviewed-by: Sylvain Defresne <[email protected]>
Code-Coverage: [email protected] <[email protected]>
Reviewed-by: Scott Yoder <[email protected]>
Commit-Queue: Chris Lu <[email protected]>
Cr-Commit-Position: refs/heads/main@{#1199069}
diff --git a/ios/chrome/browser/flags/about_flags.mm b/ios/chrome/browser/flags/about_flags.mm
index e709859..6601df3 100644
--- a/ios/chrome/browser/flags/about_flags.mm
+++ b/ios/chrome/browser/flags/about_flags.mm
@@ -297,71 +297,16 @@
     {"All improvements", kFeedHeaderSettingAllImprovements,
      std::size(kFeedHeaderSettingAllImprovements), nullptr}};
 
-const FeatureEntry::FeatureParam kStartSurfaceTenSecondsShrinkLogo[] = {
-    {kStartSurfaceShrinkLogoParam, "true"},
+const FeatureEntry::FeatureParam kStartSurfaceTenSeconds[] = {
     {kReturnToStartSurfaceInactiveDurationInSeconds, "10"}};
-const FeatureEntry::FeatureParam kStartSurfaceTenSecondsHideShortcuts[] = {
-    {kStartSurfaceHideShortcutsParam, "true"},
-    {kReturnToStartSurfaceInactiveDurationInSeconds, "10"}};
-const FeatureEntry::FeatureParam kStartSurfaceTenSecondsReturnToRecentTab[] = {
-    {kStartSurfaceReturnToRecentTabParam, "true"},
-    {kReturnToStartSurfaceInactiveDurationInSeconds, "10"}};
-const FeatureEntry::FeatureParam
-    kStartSurfaceTenSecondsShrinkLogoReturnToRecentTab[] = {
-        {kStartSurfaceShrinkLogoParam, "true"},
-        {kStartSurfaceReturnToRecentTabParam, "true"},
-        {kReturnToStartSurfaceInactiveDurationInSeconds, "10"}};
-const FeatureEntry::FeatureParam
-    kStartSurfaceTenSecondsHideShortcutsReturnToRecentTab[] = {
-        {kStartSurfaceHideShortcutsParam, "true"},
-        {kStartSurfaceReturnToRecentTabParam, "true"},
-        {kReturnToStartSurfaceInactiveDurationInSeconds, "10"}};
-const FeatureEntry::FeatureParam kStartSurfaceOneHourShrinkLogo[] = {
-    {kStartSurfaceShrinkLogoParam, "true"},
+const FeatureEntry::FeatureParam kStartSurfaceOneHour[] = {
     {kReturnToStartSurfaceInactiveDurationInSeconds, "3600"}};
-const FeatureEntry::FeatureParam kStartSurfaceOneHourHideShortcuts[] = {
-    {kStartSurfaceHideShortcutsParam, "true"},
-    {kReturnToStartSurfaceInactiveDurationInSeconds, "3600"}};
-const FeatureEntry::FeatureParam kStartSurfaceOneHourReturnToRecentTab[] = {
-    {kStartSurfaceReturnToRecentTabParam, "true"},
-    {kReturnToStartSurfaceInactiveDurationInSeconds, "3600"}};
-const FeatureEntry::FeatureParam
-    kStartSurfaceOneHourShrinkLogoReturnToRecentTab[] = {
-        {kStartSurfaceShrinkLogoParam, "true"},
-        {kStartSurfaceReturnToRecentTabParam, "true"},
-        {kReturnToStartSurfaceInactiveDurationInSeconds, "3600"}};
-const FeatureEntry::FeatureParam
-    kStartSurfaceOneHourHideShortcutsReturnToRecentTab[] = {
-        {kStartSurfaceHideShortcutsParam, "true"},
-        {kStartSurfaceReturnToRecentTabParam, "true"},
-        {kReturnToStartSurfaceInactiveDurationInSeconds, "3600"}};
 
 const FeatureEntry::FeatureVariation kStartSurfaceVariations[] = {
-    {"10s:Show Return to Recent Tab tile",
-     kStartSurfaceTenSecondsReturnToRecentTab,
-     std::size(kStartSurfaceTenSecondsReturnToRecentTab), nullptr},
-    {"10s:Shrink Logo", kStartSurfaceTenSecondsShrinkLogo,
-     std::size(kStartSurfaceTenSecondsShrinkLogo), nullptr},
-    {"10s:Hide Shortcuts", kStartSurfaceTenSecondsHideShortcuts,
-     std::size(kStartSurfaceTenSecondsHideShortcuts), nullptr},
-    {"10s:Shrink Logo and show Return to Recent Tab tile",
-     kStartSurfaceTenSecondsShrinkLogoReturnToRecentTab,
-     std::size(kStartSurfaceTenSecondsShrinkLogoReturnToRecentTab), nullptr},
-    {"10s:Hide Shortcuts and show Return to Recent Tab tile",
-     kStartSurfaceTenSecondsHideShortcutsReturnToRecentTab,
-     std::size(kStartSurfaceTenSecondsHideShortcutsReturnToRecentTab), nullptr},
-    {"1h:Show Return to Recent Tab tile", kStartSurfaceOneHourReturnToRecentTab,
-     std::size(kStartSurfaceOneHourReturnToRecentTab), nullptr},
-    {"1h:Shrink Logo", kStartSurfaceOneHourShrinkLogo,
-     std::size(kStartSurfaceOneHourShrinkLogo), nullptr},
-    {"1h:Hide Shortcuts", kStartSurfaceOneHourHideShortcuts,
-     std::size(kStartSurfaceOneHourHideShortcuts), nullptr},
-    {"1h:Shrink Logo and show Return to Recent Tab tile",
-     kStartSurfaceOneHourShrinkLogoReturnToRecentTab,
-     std::size(kStartSurfaceOneHourShrinkLogoReturnToRecentTab), nullptr},
-    {"1h:Hide Shortcuts and show Return to Recent Tab tile",
-     kStartSurfaceOneHourHideShortcutsReturnToRecentTab,
-     std::size(kStartSurfaceOneHourHideShortcutsReturnToRecentTab), nullptr},
+    {"10s:Show Home Surface", kStartSurfaceTenSeconds,
+     std::size(kStartSurfaceTenSeconds), nullptr},
+    {"1h:Show Home Surface", kStartSurfaceOneHour,
+     std::size(kStartSurfaceOneHour), nullptr},
 };
 
 const FeatureEntry::FeatureParam kMagicStackMostVisitedModule[] = {