Audit the last usage of Geolocation and Notification permissions.

chrome/browser/geolocation/geolocation_permission_context_unittest.cc

Index: chrome/browser/geolocation/geolocation_permission_context_unittest.cc
diff --git a/chrome/browser/geolocation/geolocation_permission_context_unittest.cc b/chrome/browser/geolocation/geolocation_permission_context_unittest.cc
index f011ac355f98f91ab2ed5b8955d512c218fb18c4..733be274e92fa77027e01a588a883a89e9574ddd 100644
--- a/chrome/browser/geolocation/geolocation_permission_context_unittest.cc
+++ b/chrome/browser/geolocation/geolocation_permission_context_unittest.cc
@@ -13,6 +13,8 @@
 #include "base/memory/scoped_vector.h"
 #include "base/run_loop.h"
 #include "base/synchronization/waitable_event.h"
+#include "base/test/simple_test_clock.h"
+#include "base/time/clock.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/permission_request_id.h"
@@ -696,3 +698,54 @@ TEST_F(GeolocationPermissionContextTests, InfoBarUsesCommittedEntry) {
   // Delete the tab contents.
   DeleteContents();
 }
+
+TEST_F(GeolocationPermissionContextTests, LastUsageAudited) {
+  GURL requesting_frame("http://www.example.com/geolocation");
+  NavigateAndCommit(requesting_frame);
+
+  base::SimpleTestClock test_clock_;
+  test_clock_.SetNow(base::Time::UnixEpoch() +
+                     base::TimeDelta::FromSeconds(10));
+  profile()->GetHostContentSettingsMap()->SetPrefClockForTesting(&test_clock_);
+
+  // The permission shouldn't have been used yet.
+  EXPECT_EQ(profile()
+                ->GetHostContentSettingsMap()
+                ->GetLastUsage(requesting_frame.GetOrigin(),
+                               requesting_frame.GetOrigin(),
+                               CONTENT_SETTINGS_TYPE_GEOLOCATION)
+                .ToDoubleT(),
+            0);
+
+  EXPECT_EQ(0U, infobar_service()->infobar_count());
+  RequestGeolocationPermission(web_contents(), RequestID(0), requesting_frame);
+  ASSERT_EQ(1U, infobar_service()->infobar_count());
+  infobars::InfoBar* infobar = infobar_service()->infobar_at(0);
+  ConfirmInfoBarDelegate* infobar_delegate =
+      infobar->delegate()->AsConfirmInfoBarDelegate();
+  ASSERT_TRUE(infobar_delegate);
+  infobar_delegate->Accept();
+  CheckTabContentsState(requesting_frame, CONTENT_SETTING_ALLOW);
+  CheckPermissionMessageSent(0, true);
+
+  // Permission has been used at the starting time.
+  EXPECT_EQ(profile()
+                ->GetHostContentSettingsMap()
+                ->GetLastUsage(requesting_frame.GetOrigin(),
+                               requesting_frame.GetOrigin(),
+                               CONTENT_SETTINGS_TYPE_GEOLOCATION)
+                .ToDoubleT(),
+            10);
+
+  test_clock_.Advance(base::TimeDelta::FromSeconds(3));
+  RequestGeolocationPermission(web_contents(), RequestID(0), requesting_frame);
+
+  // Permission has been used three seconds later.
+  EXPECT_EQ(profile()
+                ->GetHostContentSettingsMap()
+                ->GetLastUsage(requesting_frame.GetOrigin(),
+                               requesting_frame.GetOrigin(),
+                               CONTENT_SETTINGS_TYPE_GEOLOCATION)
+                .ToDoubleT(),
+            13);
+}