Track sync changes and update cookie notice

Dynamically update the cookie notice on the advanced tab when sync state
changes.

Bug: 894848
Change-Id: I62d507d41a1bd91d37738f2d68d00427bd2bb386
Reviewed-on: https://chromium-review.googlesource.com/c/1293451Reviewed-by: Martin Šrámek <msramek@chromium.org>
Commit-Queue: Christian Dullweber <dullweber@chromium.org>
Cr-Commit-Position: refs/heads/master@{#602306}

chrome/browser/browsing_data/counters/site_data_counter.cc

@@ -4,17 +4,33 @@
 
 #include "chrome/browser/browsing_data/counters/site_data_counter.h"
 
+#include "chrome/browser/browsing_data/counters/browsing_data_counter_utils.h"
 #include "chrome/browser/browsing_data/counters/site_data_counting_helper.h"
+#include "chrome/browser/sync/profile_sync_service_factory.h"
+#include "components/browser_sync/profile_sync_service.h"
 #include "components/browsing_data/core/pref_names.h"
 #include "content/public/browser/browser_thread.h"
 
 using content::BrowserThread;
 
+namespace {
+bool CheckSyncState(Profile* profile, const syncer::SyncService* sync_service) {
+  return ShouldShowCookieException(profile);
+}
+}  // namespace
+
 SiteDataCounter::SiteDataCounter(Profile* profile)
-    : profile_(profile), weak_ptr_factory_(this) {}
+    : profile_(profile),
+      sync_tracker_(this, ProfileSyncServiceFactory::GetForProfile(profile)),
+      weak_ptr_factory_(this) {}
 
 SiteDataCounter::~SiteDataCounter() {}
 
+void SiteDataCounter::OnInitialized() {
+  sync_tracker_.OnInitialized(
+      base::BindRepeating(&CheckSyncState, base::Unretained(profile_)));
+}
+
 const char* SiteDataCounter::GetPrefName() const {
   return browsing_data::prefs::kDeleteCookies;
 }

chrome/browser/browsing_data/counters/site_data_counter.h

@@ -7,6 +7,7 @@
 
 #include "base/memory/weak_ptr.h"
 #include "components/browsing_data/core/counters/browsing_data_counter.h"
+#include "components/browsing_data/core/counters/sync_tracker.h"
 
 class Profile;
 
@@ -18,10 +19,12 @@ class SiteDataCounter : public browsing_data::BrowsingDataCounter {
   const char* GetPrefName() const override;
 
  private:
+  void OnInitialized() override;
   void Count() override;
   void Done(int origin_count);
 
   Profile* profile_;
+  browsing_data::SyncTracker sync_tracker_;
   base::WeakPtrFactory<SiteDataCounter> weak_ptr_factory_;
 };