commit 252f915eb0b26d3952144b85128933a3b226ccc1
author yiyaoliu <yiyaoliu@chromium.org> Thu Apr 23 21:56:36 2015
committer Commit bot <commit-bot@chromium.org> Thu Apr 23 21:56:42 2015
tree f8bd605036ebb708f3fc79cc9433e9eabe960b0d
parent 1ab02972b07208751831e01597382b053e423876

Instrument some potentially expensive functions called from BrowserMainRunnerImpl::Initialize.

There can be more places to instrument, this does not intend to build a full instrumentation list. The plan is to add more based on the result.

BUG=453640

Review URL: https://codereview.chromium.org/1069403004

Cr-Commit-Position: refs/heads/master@{#326661}

chrome/browser/extensions/extension_service.cc

diff --git a/chrome/browser/extensions/extension_service.cc b/chrome/browser/extensions/extension_service.cc
index 5cd1701ae..32d434fc 100644
--- a/chrome/browser/extensions/extension_service.cc
+++ b/chrome/browser/extensions/extension_service.cc
@@ -10,6 +10,7 @@
 
 #include "base/command_line.h"
 #include "base/metrics/histogram_macros.h"
+#include "base/profiler/scoped_profile.h"
 #include "base/strings/string_number_conversions.h"
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
@@ -397,6 +398,7 @@
 void ExtensionService::Init() {
   CHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
   TRACE_EVENT0("browser,startup", "ExtensionService::Init");
+  TRACK_SCOPED_REGION("Startup", "ExtensionService::Init");
   SCOPED_UMA_HISTOGRAM_TIMER("Extensions.ExtensionServiceInitTime");
 
   DCHECK(!is_ready());  // Can't redo init.
@@ -1433,6 +1435,8 @@
 void ExtensionService::SetReadyAndNotifyListeners() {
   TRACE_EVENT0("browser,startup",
                "ExtensionService::SetReadyAndNotifyListeners");
+  TRACK_SCOPED_REGION(
+      "Startup", "ExtensionService::SetReadyAndNotifyListeners");
   SCOPED_UMA_HISTOGRAM_TIMER(
       "Extensions.ExtensionServiceNotifyReadyListenersTime");