Add several new TRACE call and UMA metrics for GetProfile()

chrome/browser/profiles/profile_manager.cc

Index: chrome/browser/profiles/profile_manager.cc
diff --git a/chrome/browser/profiles/profile_manager.cc b/chrome/browser/profiles/profile_manager.cc
index 781158517596b62bc8ad0247e744f9e1f8c67142..ba15476a3edcae6fd85a966dea9a0c2b8fd885b7 100644
--- a/chrome/browser/profiles/profile_manager.cc
+++ b/chrome/browser/profiles/profile_manager.cc
@@ -374,15 +374,19 @@ Profile* ProfileManager::GetActiveUserProfile() {
 
 Profile* ProfileManager::GetProfile(const base::FilePath& profile_dir) {
   TRACE_EVENT0("browser", "ProfileManager::GetProfile");
-  SCOPED_UMA_HISTOGRAM_TIMER("Profile.GetProfile");
 
   // If the profile is already loaded (e.g., chrome.exe launched twice), just
   // return it.
   Profile* profile = GetProfileByPath(profile_dir);
   if (NULL != profile)
     return profile;
+  return SetupProfile(profile_dir);
+}
 
-  profile = CreateProfileHelper(profile_dir);
+Profile* ProfileManager::SetupProfile(const base::FilePath& profile_dir) {
+  TRACE_EVENT0("browser", "ProfileManager::SetupProfile");
+  SCOPED_UMA_HISTOGRAM_LONG_TIMER("Profile.SetupProfile");
+  Profile* profile = CreateProfileHelper(profile_dir);
   DCHECK(profile);
   if (profile) {
     bool result = AddProfile(profile);
@@ -402,10 +406,10 @@ void ProfileManager::CreateProfileAsync(
     const base::string16& icon_url,
     const std::string& supervised_user_id) {
   DCHECK(BrowserThread::CurrentlyOn(BrowserThread::UI));
-  TRACE_EVENT1("startup",
+  TRACE_EVENT1("browser,startup",
                "ProfileManager::CreateProfileAsync",
                "profile_path",
-               profile_path.value().c_str());
+               profile_path.MaybeAsASCII());
 
   // Make sure that this profile is not pending deletion.
   if (IsProfileMarkedForDeletion(profile_path)) {
@@ -1076,6 +1080,8 @@ void ProfileManager::DoFinalInitLogging(Profile* profile) {
 
 Profile* ProfileManager::CreateProfileHelper(const base::FilePath& path) {
   TRACE_EVENT0("browser", "ProfileManager::CreateProfileHelper");
+  SCOPED_UMA_HISTOGRAM_TIMER("Profile.CreateProfileHelperTime");
+
   return Profile::CreateProfile(path, NULL, Profile::CREATE_MODE_SYNCHRONOUS);
 }