Change how the quota system computes the total poolsize for temporary storage

chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc

Index: chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc
diff --git a/chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc b/chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc
index 1ee219968310f9205bb93602175e905304eae483..fa338e11b045f4f133ccc5baa7d0af60545fca5a 100644
--- a/chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc
+++ b/chrome/browser/extensions/api/sync_file_system/sync_file_system_apitest.cc
@@ -18,6 +18,7 @@
 #include "chrome/browser/sync_file_system/sync_status_code.h"
 #include "chrome/browser/sync_file_system/syncable_file_system_util.h"
 #include "chrome/test/base/test_switches.h"
+#include "content/public/browser/storage_partition.h"
 #include "extensions/browser/extension_function.h"
 #include "storage/browser/fileapi/file_system_url.h"
 #include "storage/browser/quota/quota_manager.h"
@@ -46,10 +47,6 @@ class SyncFileSystemApiTest : public ExtensionApiTest {
   void SetUpInProcessBrowserTestFixture() override {
     ExtensionApiTest::SetUpInProcessBrowserTestFixture();
 
-    real_minimum_preserved_space_ =
-        storage::QuotaManager::kMinimumPreserveForSystem;
-    storage::QuotaManager::kMinimumPreserveForSystem = 0;
-
     // TODO(calvinlo): Update test code after default quota is made const
     // (http://crbug.com/155488).
     real_default_quota_ =
@@ -58,8 +55,6 @@ class SyncFileSystemApiTest : public ExtensionApiTest {
   }
 
   void TearDownInProcessBrowserTestFixture() override {
-    storage::QuotaManager::kMinimumPreserveForSystem =
-        real_minimum_preserved_space_;
     storage::QuotaManager::kSyncableStorageDefaultHostQuota =
         real_default_quota_;
     ExtensionApiTest::TearDownInProcessBrowserTestFixture();
@@ -73,6 +68,16 @@ class SyncFileSystemApiTest : public ExtensionApiTest {
     SyncFileSystemServiceFactory::GetInstance()->set_mock_remote_file_service(
         std::unique_ptr<RemoteFileSyncService>(mock_remote_service_));
     ExtensionApiTest::SetUpOnMainThread();
+
+    content::BrowserContext* context = browser()->profile();
+    const int kMeg = 1000 * 1024;

[cmumford, 2016/10/25 20:30:54]

I can see 1024*1024, or 1000*1000, but why 1000*1024?

[michaeln, 2016/10/26 21:47:53]

Done.

+    storage::TemporaryStorageConfiguration config;
+    config.pool_size = 25 * kMeg;
+    config.per_host_quota = 5 * kMeg;
+    config.must_remain_available =  0;
+    config.refresh_interval = base::TimeDelta::Max();
+    content::BrowserContext::GetDefaultStoragePartition(context)->
+        GetQuotaManager()->SetTemporaryStorageConfiguration(config);
   }
 
   ::testing::NiceMock<MockRemoteFileSyncService>* mock_remote_service() {