Move base/thread.h to base/threading, fix up callers to use the new location....

chrome/common/important_file_writer_unittest.cc

 // Copyright (c) 2009 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/common/important_file_writer.h"
 
 #include "base/compiler_specific.h"
 #include "base/file_path.h"
 #include "base/file_util.h"
 #include "base/logging.h"
 #include "base/message_loop.h"
 #include "base/scoped_temp_dir.h"
-#include "base/thread.h"
+#include "base/threading/thread.h"
 #include "base/time.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace {
 
 std::string GetFileContent(const FilePath& path) {
   std::string content;
   if (!file_util::ReadFileToString(path, &content)) {
     NOTREACHED();
   }
@@ skipping 82 matching lines @@
   DataSerializer foo("foo"), bar("bar"), baz("baz");
   writer.ScheduleWrite(&foo);
   writer.ScheduleWrite(&bar);
   writer.ScheduleWrite(&baz);
   MessageLoop::current()->PostDelayedTask(FROM_HERE,
                                           new MessageLoop::QuitTask(), 100);
   MessageLoop::current()->Run();
   ASSERT_TRUE(file_util::PathExists(writer.path()));
   EXPECT_EQ("baz", GetFileContent(writer.path()));
 }