Merge 130848 - Add FirstRun.SearchEngineBubble UMA histogram counts.

chrome/browser/first_run/first_run.h

Index: chrome/browser/first_run/first_run.h
===================================================================
--- chrome/browser/first_run/first_run.h	(revision 131444)
+++ chrome/browser/first_run/first_run.h	(working copy)
@@ -33,6 +33,12 @@
 // install work for this user. After that the sentinel file is created.
 namespace first_run {
 
+enum FirstRunBubbleMetric {
+  FIRST_RUN_BUBBLE_SHOWN = 0,       // The search engine bubble was shown.
+  FIRST_RUN_BUBBLE_CHANGE_INVOKED,  // The bubble's "Change" was invoked.
+  NUM_FIRST_RUN_BUBBLE_METRICS
+};
+
 // See ProcessMasterPreferences for more info about this structure.
 struct MasterPrefs {
   MasterPrefs();
@@ -74,6 +80,9 @@
 // Returns false if the pref could not be set.
 bool SetPersonalDataManagerFirstRunPref();
 
+// Log a metric for the "FirstRun.SearchEngineBubble" histogram.
+void LogFirstRunMetric(FirstRunBubbleMetric metric);
+
 // -- Platform-specific functions --
 
 // Automatically import history and home page (and search engine, if