Primary histograms for InBrowserCleanerUI experiment

chrome/browser/safe_browsing/chrome_cleaner/srt_field_trial_win.h

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_BROWSER_SAFE_BROWSING_CHROME_CLEANER_SRT_FIELD_TRIAL_WIN_H_
 #define CHROME_BROWSER_SAFE_BROWSING_CHROME_CLEANER_SRT_FIELD_TRIAL_WIN_H_
 
 #include <string>
 
 #include "base/feature_list.h"
 #include "url/gurl.h"
 
 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 SRTPromptHistogramValue {
   SRT_PROMPT_SHOWN = 0,
   SRT_PROMPT_ACCEPTED = 1,
   SRT_PROMPT_DENIED = 2,
   SRT_PROMPT_FALLBACK = 3,
   SRT_PROMPT_DOWNLOAD_UNAVAILABLE = 4,
   SRT_PROMPT_CLOSED = 5,
   SRT_PROMPT_SHOWN_FROM_MENU = 6,
 
   SRT_PROMPT_MAX,
 };
 
+// These values are used to send UMA information and are replicated in the
+// histograms.xml file, so the order MUST NOT CHANGE.
+enum NoPromptReasonHistogramValue {
+  NO_PROMPT_REASON_BEHAVIOUR_NOT_SUPPORTED = 0,
+  NO_PROMPT_REASON_FEATURE_NOT_ENABLED = 1,
+  NO_PROMPT_REASON_NOTHING_FOUND = 2,
+  NO_PROMPT_REASON_ALREADY_PROMPTED = 3,
+  NO_PROMPT_REASON_CLEANER_DOWNLOAD_FAILED = 4,
+  NO_PROMPT_REASON_BROWSER_NOT_AVAILABLE = 5,
+  NO_PROMPT_REASON_NOT_ON_IDLE_STATE = 6,
+  NO_PROMPT_REASON_IPC_CONNECTION_BROKEN = 7,
+
+  NO_PROMPT_REASON_MAX,
+};
+
 // When enabled, all user interaction with the Chrome Cleaner will happen from
 // within Chrome.
 extern const base::Feature kInBrowserCleanerUIFeature;
 
 // Returns true if this Chrome is in a field trial group which shows the SRT
 // prompt.
 bool IsInSRTPromptFieldTrialGroups();
 
 // Returns true if this Chrome is in a field trial group which doesn't need an
 // elevation icon, i.e., the SRT won't ask for elevation on startup.
 bool SRTPromptNeedsElevationIcon();
 
 // Returns true if this Chrome is in a field trial group which enables running
 // the SwReporter.
 bool IsSwReporterEnabled();
 
 // Returns the correct SRT download URL for the current field trial.
 GURL GetSRTDownloadURL();
 
 // Returns the value of the incoming SRT seed.
 std::string GetIncomingSRTSeed();
 
 // Records a value for the SRT Prompt Histogram.
 void RecordSRTPromptHistogram(SRTPromptHistogramValue value);
 
+// Records a SoftwareReporter.PromptShown histogram with value true.
+void RecordPromptShownHistogram();
+
+// Records a SoftwareReporter.PromptShown histogram with value false and
+// a SoftwareReporter.NoPromptReason histogram with the reason corresponding
+// to |value|.
+void RecordPromptNotShownWithReasonHistogram(
+    NoPromptReasonHistogramValue value);
+
 }  // namespace safe_browsing
 
 #endif  // CHROME_BROWSER_SAFE_BROWSING_CHROME_CLEANER_SRT_FIELD_TRIAL_WIN_H_