Primary histograms for InBrowserCleanerUI experiment

chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_controller_win.h

Index: chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_controller_win.h
diff --git a/chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_controller_win.h b/chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_controller_win.h
index 0547e742dc1c44fdc0d95bcf1b9ec941b1ac60c3..7f548349943fd2e8bb01ebf777e93ae560dee7fc 100644
--- a/chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_controller_win.h
+++ b/chrome/browser/safe_browsing/chrome_cleaner/chrome_cleaner_controller_win.h
@@ -23,6 +23,18 @@ class Profile;
 
 namespace safe_browsing {
 
+// These values are used to send UMA information and are replicated in the
+// histograms.xml file, so the order MUST NOT CHANGE.
+enum CleanupStartedHistogramValue {
+  CLEANUP_STARTED_FROM_PROMPT_DIALOG = 1,
+  CLEANUP_STARTED_FROM_PROMPT_IN_SETTINGS = 2,
+
+  CLEANUP_STARTED_MAX,
+};
+
+// Records a SoftwareReporter.CleanupStarted histogram.
+void RecordCleanupStartedHistogram(CleanupStartedHistogramValue value);
+
 // Delegate class that provides services to the ChromeCleanerController class
 // and can be overridden by tests via
 // SetChromeCleanerControllerDelegateForTesting().