[Media Galleries] Lazily initialize the storage monitor.

chrome/browser/extensions/api/media_galleries_private/media_galleries_eject_apitest.cc

 // Copyright (c) 2013 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.
 //
 // MediaGalleriesPrivate eject API browser tests.
 
 #include "base/files/file_path.h"
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/extensions/extension_apitest.h"
@@ skipping 63 matching lines @@
 
   void ExecuteCmdAndCheckReply(content::RenderViewHost* host,
                                const std::string& js_command,
                                const std::string& ok_message) {
     ExtensionTestMessageListener listener(ok_message, false);
     host->ExecuteJavascriptInWebFrame(string16(), ASCIIToUTF16(js_command));
     EXPECT_TRUE(listener.WaitUntilSatisfied());
   }
 
   void Attach() {
+    DCHECK(chrome::StorageMonitor::GetInstance()->IsInitialized());
     chrome::StorageInfo info(device_id_, ASCIIToUTF16(kDeviceName), kDevicePath,
                              string16(), string16(), string16(), 0);
     chrome::StorageMonitor::GetInstance()->receiver()->ProcessAttach(info);
     content::RunAllPendingInMessageLoop();
   }
 
   void Detach() {
+    DCHECK(chrome::StorageMonitor::GetInstance()->IsInitialized());
     chrome::StorageMonitor::GetInstance()->receiver()->ProcessDetach(
         device_id_);
     content::RunAllPendingInMessageLoop();
   }
 
   static std::string GetDeviceId() {
     return chrome::StorageInfo::MakeDeviceId(
         chrome::StorageInfo::REMOVABLE_MASS_STORAGE_WITH_DCIM, kDeviceId);
   }
 
  protected:
   const std::string device_id_;
 
  private:
   DISALLOW_COPY_AND_ASSIGN(MediaGalleriesPrivateEjectApiTest);
 };
 
 
 ///////////////////////////////////////////////////////////////////////////////
 //                               TESTS                                       //
 ///////////////////////////////////////////////////////////////////////////////
 
 IN_PROC_BROWSER_TEST_F(MediaGalleriesPrivateEjectApiTest, EjectTest) {
   scoped_ptr<chrome::test::TestStorageMonitor> monitor(
       chrome::test::TestStorageMonitor::CreateForBrowserTests());
+  monitor->Init();
+  monitor->MarkInitialized();
 
   content::RenderViewHost* host = GetHost();
   ExecuteCmdAndCheckReply(host, kAddAttachListenerCmd, kAddAttachListenerOk);
 
   // Attach / detach
   const std::string expect_attach_msg =
       base::StringPrintf("%s,%s", kAttachTestOk, kDeviceName);
   ExtensionTestMessageListener attach_finished_listener(expect_attach_msg,
                                                         false  /* no reply */);
   Attach();
   EXPECT_TRUE(attach_finished_listener.WaitUntilSatisfied());
 
   ExecuteCmdAndCheckReply(host, kEjectTestCmd, kEjectListenerOk);
   EXPECT_EQ(device_id_, monitor->ejected_device());
 
   Detach();
 }
 
 IN_PROC_BROWSER_TEST_F(MediaGalleriesPrivateEjectApiTest, EjectBadDeviceTest) {
   scoped_ptr<chrome::test::TestStorageMonitor> monitor(
       chrome::test::TestStorageMonitor::CreateForBrowserTests());
+  monitor->Init();
+  monitor->MarkInitialized();
 
   ExecuteCmdAndCheckReply(GetHost(), kEjectFailTestCmd, kEjectFailListenerOk);
 
   EXPECT_EQ("", monitor->ejected_device());
 }