Add right-click user switching tutorial bubble.

chrome/browser/profiles/profiles_state.cc

Index: chrome/browser/profiles/profiles_state.cc
diff --git a/chrome/browser/profiles/profiles_state.cc b/chrome/browser/profiles/profiles_state.cc
index f0b3ac3c53942a2b327abd0728d5d18446fb9f27..7fb3f13b347ec1e88cb75efb9ede4347b18b1ee7 100644
--- a/chrome/browser/profiles/profiles_state.cc
+++ b/chrome/browser/profiles/profiles_state.cc
@@ -53,6 +53,9 @@ void RegisterPrefs(PrefRegistrySimple* registry) {
   // Preferences about the user manager.
   registry->RegisterBooleanPref(prefs::kBrowserGuestModeEnabled, true);
   registry->RegisterBooleanPref(prefs::kBrowserAddPersonEnabled, true);
+
+  registry->RegisterBooleanPref(

[Mike Lerman, 2015/05/05 01:31:45]

Let's register this near where the other tutorial prefs are - in profile.cc,
line 149. Where prefs::kProfileAvatarTutorialShown, is registered.

[anthonyvd, 2015/05/05 16:19:17]

I put it here because the tutorial prefs in profile.cc are profile-specific
where this one has to be consistent across all profiles and this is where we
seem to register those. 

[Mike Lerman, 2015/05/05 17:18:09]

So we show it once per Chrome, not one per Profile? Wouldn't each profile
(meat-person) want to see the tutorial? Although I guess this is targeting power
users... so I can see how it makes sense to be per-Chrome.

+      prefs::kProfileAvatarRightClickTutorialDismissed, false);
 }
 
 base::string16 GetAvatarNameForProfile(const base::FilePath& profile_path) {
@@ -237,4 +240,16 @@ void RemoveBrowsingDataForProfile(const base::FilePath& profile_path) {
   // BrowsingDataRemover deletes itself.
 }
 
+void SetFastUserSwitchingTutorialDismissedState(bool dismissed) {

[Mike Lerman, 2015/05/05 01:31:45]

We usually just directly access this type of preference directly. Any reason we
need to wrap that access in these two functions?

[anthonyvd, 2015/05/05 16:19:17]

I guess it just... happened. There no need really, so they're now accessed
directly! 

+  PrefService* local_state = g_browser_process->local_state();
+  local_state->SetBoolean(
+      prefs::kProfileAvatarRightClickTutorialDismissed, dismissed);
+}
+
+bool GetFastUserSwitchingTutorialDismissedState() {
+  PrefService* local_state = g_browser_process->local_state();
+  return local_state->GetBoolean(
+      prefs::kProfileAvatarRightClickTutorialDismissed);
+}
+
 }  // namespace profiles