Experience sampling instrumentation for dangerous downloads warnings

chrome/browser/extensions/api/experience_sampling_private/experience_sampling.cc

Index: chrome/browser/extensions/api/experience_sampling_private/experience_sampling.cc
diff --git a/chrome/browser/extensions/api/experience_sampling_private/experience_sampling.cc b/chrome/browser/extensions/api/experience_sampling_private/experience_sampling.cc
index 77c411a5e351a72a985d32b9ec70bfb7a2ed3fb0..f527c3c9af533431647191ca824fa001780e1da9 100644
--- a/chrome/browser/extensions/api/experience_sampling_private/experience_sampling.cc
+++ b/chrome/browser/extensions/api/experience_sampling_private/experience_sampling.cc
@@ -14,13 +14,22 @@
 
 namespace extensions {
 
-// String constants for SamplingEvent.
+// static
 const char ExperienceSamplingEvent::kProceed[] = "proceed";
 const char ExperienceSamplingEvent::kDeny[] = "deny";
+const char ExperienceSamplingEvent::kIgnore[] = "ignore";
 const char ExperienceSamplingEvent::kCancel[] = "cancel";
 const char ExperienceSamplingEvent::kReload[] = "reload";
 
 // static
+const char ExperienceSamplingEvent::kMaliciousDownload[] =
+    "download_warning_malicious";
+const char ExperienceSamplingEvent::kDangerousDownload[] =
+    "download_warning_dangerous";
+const char ExperienceSamplingEvent::kDownloadDangerPrompt[] =
+    "download_danger_prompt";
+
+// static
 scoped_ptr<ExperienceSamplingEvent> ExperienceSamplingEvent::Create(
     const std::string& element_name,
     const GURL& destination,