Rename StorageMonitor Initialize function to EnsureInitialized for better understanding.

chrome/browser/storage_monitor/storage_monitor_unittest.cc

Index: chrome/browser/storage_monitor/storage_monitor_unittest.cc
diff --git a/chrome/browser/storage_monitor/storage_monitor_unittest.cc b/chrome/browser/storage_monitor/storage_monitor_unittest.cc
index 8acce30aeb189136e65077967ddfebf3b7ba6c3a..9be3a508d434b5a9dd9191358a2efc086af559cf 100644
--- a/chrome/browser/storage_monitor/storage_monitor_unittest.cc
+++ b/chrome/browser/storage_monitor/storage_monitor_unittest.cc
@@ -17,8 +17,8 @@ TEST(StorageMonitorTest, TestInitialize) {
   EXPECT_FALSE(monitor.init_called_);
 
   base::WaitableEvent event(false, false);
-  monitor.Initialize(base::Bind(&base::WaitableEvent::Signal,
-                                base::Unretained(&event)));
+  monitor.EnsureInitialized(base::Bind(&base::WaitableEvent::Signal,
+                                       base::Unretained(&event)));
   EXPECT_TRUE(monitor.init_called_);
   EXPECT_FALSE(event.IsSignaled());
   monitor.MarkInitialized();