Split ui.lib to avoid hitting 4 GB limit

chrome/browser/BUILD.gn

Index: chrome/browser/BUILD.gn
diff --git a/chrome/browser/BUILD.gn b/chrome/browser/BUILD.gn
index 9ab4837d9ce8d51652e7a5cebeef149e53d16064..8d1648ed842f64a345480091c368a70632e46cbc 100644
--- a/chrome/browser/BUILD.gn
+++ b/chrome/browser/BUILD.gn
@@ -56,9 +56,9 @@ if (is_win) {
 # require many files from it. This makes linking more efficient.
 split_static_library("browser") {
   # Split into multiple static libraries on Windows builds. We have hit size
-  # on Windows official builds and on goma builds symbol_level = 2 is selected.
-  # Always splitting on Windows builds is simpler than trying to perfectly
-  # calculate the scenarios where it is required.
+  # limits on Windows official builds and on goma builds when symbol_level = 2
+  # is selected. Always splitting on Windows builds is simpler than trying to
+  # perfectly calculate the scenarios where it is required.
   if (is_win) {
     split_count = 5
   } else {