Add FirstRun.SearchEngineBubble UMA histogram counts.

chrome/browser/ui/views/first_run_bubble.cc

Index: chrome/browser/ui/views/first_run_bubble.cc
diff --git a/chrome/browser/ui/views/first_run_bubble.cc b/chrome/browser/ui/views/first_run_bubble.cc
index 912b6408ad1aa7ff0f26f18808733a726273b9e8..c825b5f8b191b5ad8c032796767bb847f4e9b26f 100644
--- a/chrome/browser/ui/views/first_run_bubble.cc
+++ b/chrome/browser/ui/views/first_run_bubble.cc
@@ -4,7 +4,9 @@
 
 #include "chrome/browser/ui/views/first_run_bubble.h"
 
+#include "base/metrics/histogram.h"
 #include "base/utf_string_conversions.h"
+#include "chrome/browser/first_run/first_run.h"
 #include "chrome/browser/search_engines/util.h"
 #include "chrome/browser/ui/browser_list.h"
 #include "chrome/browser/ui/views/window.h"
@@ -31,6 +33,10 @@ namespace first_run {
 // static
 FirstRunBubble* FirstRunBubble::ShowBubble(Profile* profile,
                                            views::View* anchor_view) {
+  HISTOGRAM_ENUMERATION("FirstRun.SearchEngineBubble",
+                        first_run::FIRST_RUN_BUBBLE_SHOWN,
+                        first_run::NUM_FIRST_RUN_BUBBLE_METRICS);
+
   FirstRunBubble* delegate = new FirstRunBubble(profile, anchor_view);
   browser::CreateViewsBubble(delegate);
   delegate->StartFade(true);
@@ -90,6 +96,10 @@ FirstRunBubble::~FirstRunBubble() {
 }
 
 void FirstRunBubble::LinkClicked(views::Link* source, int event_flags) {
+  HISTOGRAM_ENUMERATION("FirstRun.SearchEngineBubble",
+                        first_run::FIRST_RUN_BUBBLE_CHANGE_SEARCH_INVOKED,
+                        first_run::NUM_FIRST_RUN_BUBBLE_METRICS);
+
   // Get |profile_|'s browser before closing the bubble, which deletes |this|.
   Browser* browser = BrowserList::GetLastActiveWithProfile(profile_);
   GetWidget()->Close();