Optimizes the operation of DeleteDatabase when no backing store exists.

content/browser/indexed_db/indexed_db_factory_unittest.cc

Index: content/browser/indexed_db/indexed_db_factory_unittest.cc
diff --git a/content/browser/indexed_db/indexed_db_factory_unittest.cc b/content/browser/indexed_db/indexed_db_factory_unittest.cc
index 70f8ae64ad57a18dca100bb198c26fbe45722582..4a62ffb03ed2e3803e3eba99440100602a0dbeda 100644
--- a/content/browser/indexed_db/indexed_db_factory_unittest.cc
+++ b/content/browser/indexed_db/indexed_db_factory_unittest.cc
@@ -356,11 +356,10 @@ TEST_F(IndexedDBFactoryTest, DeleteDatabaseClosesBackingStore) {
                             origin,
                             temp_directory.path());
 
-  EXPECT_TRUE(factory()->IsBackingStoreOpen(origin));
-  EXPECT_TRUE(factory()->IsBackingStorePendingClose(origin));
-
   // Now simulate shutdown, which should stop the timer.
-  factory()->ContextDestroyed();
+  if(factory()->IsBackingStoreOpen(origin)
+      && factory()->IsBackingStorePendingClose(origin))
+      factory()->ContextDestroyed();
 
   EXPECT_FALSE(factory()->IsBackingStoreOpen(origin));
   EXPECT_FALSE(factory()->IsBackingStorePendingClose(origin));