Slow Reports: Set a minimum time in between reports, and check for OTR sessions

chrome/browser/prefs/browser_prefs.cc

Index: chrome/browser/prefs/browser_prefs.cc
diff --git a/chrome/browser/prefs/browser_prefs.cc b/chrome/browser/prefs/browser_prefs.cc
index 8053a30a108e87791d7a13054d285f5198ccc41f..93c573a52a12bccda39b6b914f67819be8e4567b 100644
--- a/chrome/browser/prefs/browser_prefs.cc
+++ b/chrome/browser/prefs/browser_prefs.cc
@@ -60,6 +60,7 @@
 #include "chrome/browser/search/search.h"
 #include "chrome/browser/signin/signin_manager_factory.h"
 #include "chrome/browser/task_manager/task_manager.h"
+#include "chrome/browser/tracing/chrome_tracing_delegate.h"
 #include "chrome/browser/ui/app_list/app_list_prefs.h"
 #include "chrome/browser/ui/app_list/app_list_service.h"
 #include "chrome/browser/ui/browser_ui_prefs.h"
@@ -262,6 +263,7 @@ void RegisterLocalState(PrefRegistrySimple* registry) {
   PromoResourceService::RegisterPrefs(registry);
   rappor::RapporService::RegisterPrefs(registry);
   RegisterScreenshotPrefs(registry);
+  RegisterTracingPrefs(registry);
   SigninManagerFactory::RegisterPrefs(registry);
   SSLConfigServiceManager::RegisterPrefs(registry);
   UpgradeDetector::RegisterPrefs(registry);