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

chrome/browser/profiles/profile_manager.h

Index: chrome/browser/profiles/profile_manager.h
diff --git a/chrome/browser/profiles/profile_manager.h b/chrome/browser/profiles/profile_manager.h
index c16b6df8736a59c25eccfc0b8a68ef5fd76339b6..dba8453d6bf90dafc02a908b2a5e28c7a7ae7a02 100644
--- a/chrome/browser/profiles/profile_manager.h
+++ b/chrome/browser/profiles/profile_manager.h
@@ -256,6 +256,10 @@ class ProfileManager : public base::NonThreadSafe,
   // Returns true if the profile was added, false otherwise.
   bool AddProfile(Profile* profile);
 
+  // Synchronously Creates and returns a profile. This handles both the full

[Alexei Svitkine (slow), 2015/02/19 14:44:59]

Nit: Don't capitalize creates.

[rkaplow, 2015/02/19 15:42:51]

Done.

+  // creation the management.

[Alexei Svitkine (slow), 2015/02/19 14:44:59]

I don't understand this sentence. "This handles both the full creation the
management."? Is there a word missing?

Also, I'm not sure what "management" means in this context.

[rkaplow, 2015/02/19 15:42:51]

lost an "and" there in the editing. Added a bit more detail.

+  Profile* CreateAndInitializeProfile(const base::FilePath& profile_dir);
+
   // Schedules the profile at the given path to be deleted on shutdown.
   void FinishDeletingProfile(const base::FilePath& profile_dir);