Omnibox UI Experiments: Add vertical margin variations to about:flags

chrome/browser/flag_descriptions.cc

Index: chrome/browser/flag_descriptions.cc
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 8e9167a7eba83cec11c9636e9942818b4a7df84d..ccfbb3ae68332b0395223c7e297843850279a8c1 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -3074,6 +3074,11 @@ const char kOmniboxDisplayTitleForCurrentUrlDescription[] =
     "the current page is provided as the first suggestion without a title. "
     "Enabling this flag causes the title to be displayed.";
 
+const char kOmniboxUIVerticalMarginName[] = "Omnibox UI Vertical Margin";
+
+const char kOmniboxUIVerticalMarginDescription[] =
+    "Changes the vertical margin in the Omnibox UI.";
+
 const char kEnableHeapProfilingName[] = "Heap profiling";
 
 const char kEnableHeapProfilingDescription[] = "Enables heap profiling.";