Reporting: Implement serializer.

net/reporting/reporting_context.cc

Index: net/reporting/reporting_context.cc
diff --git a/net/reporting/reporting_context.cc b/net/reporting/reporting_context.cc
index cc50dc7aef2456a6f7725b8141790ae38724c2fd..25234c82f0350c2466766d6ed6bd79373bc02000 100644
--- a/net/reporting/reporting_context.cc
+++ b/net/reporting/reporting_context.cc
@@ -13,12 +13,14 @@
 #include "base/time/default_tick_clock.h"
 #include "base/time/tick_clock.h"
 #include "base/time/time.h"
+#include "base/timer/timer.h"
 #include "net/base/backoff_entry.h"
 #include "net/reporting/reporting_cache.h"
 #include "net/reporting/reporting_delegate.h"
 #include "net/reporting/reporting_delivery_agent.h"
 #include "net/reporting/reporting_endpoint_manager.h"
 #include "net/reporting/reporting_observer.h"
+#include "net/reporting/reporting_persister.h"
 #include "net/reporting/reporting_policy.h"
 
 namespace net {
@@ -52,6 +54,18 @@ std::unique_ptr<ReportingContext> ReportingContext::Create(
 
 ReportingContext::~ReportingContext() {}
 
+void ReportingContext::Initialize() {
+  DCHECK(!initialized_);
+
+  for (auto& observer : observers_)
+    observer.OnContextInitializing();
+
+  initialized_ = true;
+
+  for (auto& observer : observers_)
+    observer.OnContextInitialized();
+}
+
 void ReportingContext::AddObserver(ReportingObserver* observer) {
   DCHECK(!observers_.HasObserver(observer));
   observers_.AddObserver(observer);
@@ -63,6 +77,9 @@ void ReportingContext::RemoveObserver(ReportingObserver* observer) {
 }
 
 void ReportingContext::NotifyCacheUpdated() {
+  if (!initialized_)
+    return;
+
   for (auto& observer : observers_)
     observer.OnCacheUpdated();
 }
@@ -77,8 +94,10 @@ ReportingContext::ReportingContext(const ReportingPolicy& policy,
       clock_(std::move(clock)),
       tick_clock_(std::move(tick_clock)),
       uploader_(std::move(uploader)),
+      initialized_(false),
       cache_(base::MakeUnique<ReportingCache>(this)),
       endpoint_manager_(base::MakeUnique<ReportingEndpointManager>(this)),
-      delivery_agent_(base::MakeUnique<ReportingDeliveryAgent>(this)) {}
+      delivery_agent_(base::MakeUnique<ReportingDeliveryAgent>(this)),
+      persister_(ReportingPersister::Create(this)) {}
 
 }  // namespace net