Add user script support to extensions.

chrome/browser/extensions/user_script_master_unittest.cc

 // Copyright (c) 2008 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 "chrome/browser/extensions/user_script_master.h"
 
 #include <fstream>
 
 #include "base/file_path.h"
 #include "base/file_util.h"
@@ skipping 56 matching lines @@
   base::SharedMemory* shared_memory_;
 };
 
 // Test that we *don't* get spurious notifications.
 TEST_F(UserScriptMasterTest, NoScripts) {
   // Set shared_memory_ to something non-NULL, so we can check it became NULL.
   shared_memory_ = reinterpret_cast<base::SharedMemory*>(1);
 
   scoped_refptr<UserScriptMaster> master(
       new UserScriptMaster(MessageLoop::current(), script_dir_));
+  master->StartScan();
   message_loop_.PostTask(FROM_HERE, new MessageLoop::QuitTask);
   message_loop_.Run();
 
   // There were no scripts in the script dir, so we shouldn't have gotten
   // a notification.
   ASSERT_EQ(NULL, shared_memory_);
 }
 
 // Test that we get notified about new scripts after they're added.
 TEST_F(UserScriptMasterTest, NewScripts) {
@@ skipping 16 matching lines @@
 TEST_F(UserScriptMasterTest, ExistingScripts) {
   FilePath path = script_dir_.AppendASCII("script.user.js");
 
   FILE* file = file_util::OpenFile(path, "w");
   const char content[] = "some content";
   fwrite(content, 1, arraysize(content), file);
   file_util::CloseFile(file);
 
   scoped_refptr<UserScriptMaster> master(
       new UserScriptMaster(MessageLoop::current(), script_dir_));
+  master->StartScan();
 
   message_loop_.PostTask(FROM_HERE, new MessageLoop::QuitTask);
   message_loop_.Run();
 
   ASSERT_TRUE(shared_memory_ != NULL);
 }
 
 TEST_F(UserScriptMasterTest, Parse1) {
   const std::string text(
     "// This is my awesome script\n"
@@ skipping 33 matching lines @@
   const std::string text(
     "// ==UserScript==\n"
     "// @include *foo*\n"
     "// ==/UserScript=="); // no trailing newline
 
   std::vector<std::string> includes;
   UserScriptMaster::ScriptReloader::ParseMetadataHeader(text, &includes);
   EXPECT_EQ(1U, includes.size());
   EXPECT_EQ("*foo*", includes[0]);
 }