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

content/browser/quota/quota_manager_unittest.cc

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <stddef.h>
 #include <stdint.h>
 
 #include <algorithm>
 #include <memory>
 #include <set>
@@ skipping 150 matching lines @@
         origin, type, base::Bind(&QuotaManagerTest::DidGetUsageAndQuota,
                                  weak_factory_.GetWeakPtr()));
   }
 
   void SetQuotaSettings(int64_t pool_size,
                         int64_t per_host_quota,
                         int64_t must_remain_available) {
     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);
   }
 
   void GetPersistentHostQuota(const std::string& host) {
     quota_status_ = kQuotaStatusUnknown;
     quota_ = -1;
     quota_manager_->GetPersistentHostQuota(
         host,
@@ skipping 2065 matching lines @@
   EXPECT_EQ(80, usage());
   EXPECT_EQ(available_space() + usage(), quota());
 
   GetUsageAndQuotaForWebApps(GURL("http://foo.com/"), kTemp);
   base::RunLoop().RunUntilIdle();
   EXPECT_EQ(kQuotaStatusOk, status());
   EXPECT_EQ(10, usage());
   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