[Chrome OS] Clean up BrowserTabStripTracker Init parameter.

chrome/browser/metrics/tab_usage_recorder.cc

Index: chrome/browser/metrics/tab_usage_recorder.cc
diff --git a/chrome/browser/metrics/tab_usage_recorder.cc b/chrome/browser/metrics/tab_usage_recorder.cc
index 6840b06d0d4aebe9535e9faca57f46d5b975df12..d8537d80067fa7d7d6c7d986dc5fef49302b2f6d 100644
--- a/chrome/browser/metrics/tab_usage_recorder.cc
+++ b/chrome/browser/metrics/tab_usage_recorder.cc
@@ -121,8 +121,7 @@ void TabUsageRecorder::TabPinnedStateChanged(TabStripModel* tab_strip_model,
 TabUsageRecorder::TabUsageRecorder()
     : tab_reactivation_tracker_(this),
       browser_tab_strip_tracker_(this, nullptr, nullptr) {
-  browser_tab_strip_tracker_.Init(
-      BrowserTabStripTracker::InitWith::ALL_BROWERS);
+  browser_tab_strip_tracker_.Init();
 }
 
 TabUsageRecorder::~TabUsageRecorder() = default;