Added UMA metrics for ChromeOS first-run UI.

chrome/browser/chromeos/first_run/steps/help_step.cc

Index: chrome/browser/chromeos/first_run/steps/help_step.cc
diff --git a/chrome/browser/chromeos/first_run/steps/help_step.cc b/chrome/browser/chromeos/first_run/steps/help_step.cc
index b65d4934aedc7a54859664f3bcb9f36edf99d8df..8c6d080bbc88374f717ae87ba19f71d23b29c3ac 100644
--- a/chrome/browser/chromeos/first_run/steps/help_step.cc
+++ b/chrome/browser/chromeos/first_run/steps/help_step.cc
@@ -22,7 +22,7 @@ HelpStep::HelpStep(ash::FirstRunHelper* shell_helper, FirstRunActor* actor)
     : Step(kHelpStep, shell_helper, actor) {
 }
 
-void HelpStep::Show() {
+void HelpStep::DoShow() {
   if (!shell_helper()->IsTrayBubbleOpened())
     shell_helper()->OpenTrayBubble();
   gfx::Rect button_bounds = shell_helper()->GetHelpButtonBounds();
@@ -31,9 +31,7 @@ void HelpStep::Show() {
   actor()->ShowStepPointingTo(name(), center.x(), center.y(), kCircleRadius);
 }
 
-void HelpStep::OnAfterHide() {
-  shell_helper()->CloseTrayBubble();
-}
+void HelpStep::DoOnAfterHide() { shell_helper()->CloseTrayBubble(); }

[Alexei Svitkine (slow), 2014/01/15 16:02:38]

Nit: I think putting method on the same line is done only for hacker_case
trivial methods declared with the class declaration. 

[dzhioev (left Google), 2014/01/15 22:12:54]

That's what 'git cl format' did and I missed it.
Returned formatting as it was before.

 
 }  // namespace first_run
 }  // namespace chromeos