Reverting instrumentations

chrome/browser/extensions/api/history/history_api.cc

Index: chrome/browser/extensions/api/history/history_api.cc
diff --git a/chrome/browser/extensions/api/history/history_api.cc b/chrome/browser/extensions/api/history/history_api.cc
index 886d1a1d38431577acc55a899c2418741d389e5e..6b0659cb56629c3b52f1578e4586c052a8aa91c0 100644
--- a/chrome/browser/extensions/api/history/history_api.cc
+++ b/chrome/browser/extensions/api/history/history_api.cc
@@ -13,7 +13,6 @@
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/prefs/pref_service.h"
-#include "base/profiler/scoped_profile.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/task/cancelable_task_tracker.h"
@@ -223,10 +222,6 @@ void BrowserContextKeyedAPIFactory<HistoryAPI>::DeclareFactoryDependencies() {
 }
 
 void HistoryAPI::OnListenerAdded(const EventListenerInfo& details) {
-  // TODO(vadimt): Remove ScopedProfile below once crbug.com/417106 is fixed.
-  tracked_objects::ScopedProfile tracking_profile(
-      FROM_HERE_WITH_EXPLICIT_FUNCTION("HistoryAPI::OnListenerAdded"));
-
   Profile* profile = Profile::FromBrowserContext(browser_context_);
   history_event_router_.reset(new HistoryEventRouter(
       profile,