webkit: Update the calls from RunAllPending() to RunUntilIdle().

webkit/fileapi/syncable/local_file_sync_context_unittest.cc

 // Copyright (c) 2012 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 "webkit/fileapi/syncable/local_file_sync_context.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/file_path.h"
@@ skipping 149 matching lines @@
     }
     ASSERT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
     file_error_ = base::PLATFORM_FILE_ERROR_FAILED;
     file_system->NewOperation()->Truncate(
         url, 1, base::Bind(&LocalFileSyncContextTest::DidModifyFile,
                            base::Unretained(this)));
   }
 
   base::PlatformFileError WaitUntilModifyFileIsDone() {
     while (!async_modify_finished_)
-      MessageLoop::current()->RunAllPending();
+      MessageLoop::current()->RunUntilIdle();
     return file_error_;
   }
 
   void DidModifyFile(base::PlatformFileError error) {
     if (!ui_task_runner_->RunsTasksOnCurrentThread()) {
       ASSERT_TRUE(io_task_runner_->RunsTasksOnCurrentThread());
       ui_task_runner_->PostTask(
           FROM_HERE,
           base::Bind(&LocalFileSyncContextTest::DidModifyFile,
                      base::Unretained(this), error));
@@ skipping 413 matching lines @@
   // Make sure all three files/directory exist.
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.FileExists(kFile1));
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.FileExists(kFile2));
   EXPECT_EQ(base::PLATFORM_FILE_OK, file_system.DirectoryExists(kDir));
 
   sync_context_->ShutdownOnUIThread();
   file_system.TearDown();
 }
 
 }  // namespace fileapi