[Quota] Lower quota for ephemeral mode (ie. session only)

content/browser/quota/quota_manager_unittest.cc

Index: content/browser/quota/quota_manager_unittest.cc
diff --git a/content/browser/quota/quota_manager_unittest.cc b/content/browser/quota/quota_manager_unittest.cc
index 396dd0ff2c23c49fc335802f66ae0b79ea5db401..d2b32ed29826a4e0d39d218e555fbb580eadb426 100644
--- a/content/browser/quota/quota_manager_unittest.cc
+++ b/content/browser/quota/quota_manager_unittest.cc
@@ -168,6 +168,8 @@ class QuotaManagerTest : public testing::Test {
     storage::QuotaSettings settings;
     settings.pool_size = pool_size;
     settings.per_host_quota = per_host_quota;
+    settings.session_only_per_host_quota =
+        (per_host_quota > 0) ? (per_host_quota - 1) : 0;
     settings.must_remain_available = must_remain_available;
     settings.refresh_interval = base::TimeDelta::Max();
     quota_manager_->SetQuotaSettings(settings);
@@ -2253,4 +2255,17 @@ TEST_F(QuotaManagerTest, GetUsageAndQuota_Incognito) {
   EXPECT_EQ(available_space() + usage(), quota());
 }
 
+TEST_F(QuotaManagerTest, GetUsageAndQuota_SessionOnly) {
+  const GURL kEpheremalOrigin("http://ephemeral/");
+  mock_special_storage_policy()->AddSessionOnly(kEpheremalOrigin);
+
+  GetUsageAndQuotaForWebApps(kEpheremalOrigin, kTemp);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(quota_manager()->settings().session_only_per_host_quota, quota());
+
+  GetUsageAndQuotaForWebApps(kEpheremalOrigin, kPerm);
+  base::RunLoop().RunUntilIdle();
+  EXPECT_EQ(0, quota());
+}
+
 }  // namespace content