Reporting: Remove persistence for now.

net/reporting/reporting_persister.h

Index: net/reporting/reporting_persister.h
diff --git a/net/reporting/reporting_persister.h b/net/reporting/reporting_persister.h
index 27463a516bf7d781be38ffc15fc79def83b7e2d9..c6b52f87148563d41e7805523cfcab907504a528 100644
--- a/net/reporting/reporting_persister.h
+++ b/net/reporting/reporting_persister.h
@@ -9,30 +9,18 @@
 
 #include "net/base/net_export.h"
 
-namespace base {
-class Timer;
-}  // namespace base
-
 namespace net {
 
 class ReportingContext;
 
-// Periodically persists the state of the Reporting system to (reasonably)
-// stable storage using the methods provided by the ReportingDelegate.
+// Will persist the state of the Reporting system to (reasonably) stable
+// storage using an as-yet-unwritten persistence mechanism within //net.
 class NET_EXPORT ReportingPersister {
  public:
   // Creates a ReportingPersister. |context| must outlive the persister.
   static std::unique_ptr<ReportingPersister> Create(ReportingContext* context);
 
   virtual ~ReportingPersister();
-
-  // Initializes the Persister, which deserializes any previously-persisted data
-  // that is available through the Context's Delegate.
-  virtual void Initialize() = 0;
-
-  // Replaces the internal Timer used for scheduling writes to stable storage
-  // with a caller-specified one so that unittests can provide a MockTimer.
-  virtual void SetTimerForTesting(std::unique_ptr<base::Timer> timer) = 0;
 };
 
 }  // namespace net