Convert various ReleaseSoon methods to use base::Bind()

chrome/browser/sync/glue/http_bridge_unittest.cc

 // Copyright (c) 2011 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 "base/message_loop_proxy.h"
 #include "base/threading/thread.h"
 #include "chrome/browser/sync/glue/http_bridge.h"
 #include "chrome/test/base/test_url_request_context_getter.h"
 #include "content/test/test_browser_thread.h"
 #include "content/test/test_url_fetcher_factory.h"
@@ skipping 15 matching lines @@
       : test_server_(net::TestServer::TYPE_HTTP, FilePath(kDocRoot)),
         fake_default_request_context_getter_(NULL),
         io_thread_(BrowserThread::IO) {
   }
 
   virtual void SetUp() {
     io_thread_.StartIOThread();
   }
 
   virtual void TearDown() {
-    GetIOThreadLoop()->ReleaseSoon(FROM_HERE,
-        fake_default_request_context_getter_);
+    if (fake_default_request_context_getter_) {
+      GetIOThreadLoop()->ReleaseSoon(FROM_HERE,
+          fake_default_request_context_getter_);
+      fake_default_request_context_getter_ = NULL;
+    }
     io_thread_.Stop();
-    fake_default_request_context_getter_ = NULL;
   }
 
   HttpBridge* BuildBridge() {
     if (!fake_default_request_context_getter_) {
       fake_default_request_context_getter_ = new TestURLRequestContextGetter();
       fake_default_request_context_getter_->AddRef();
     }
     HttpBridge* bridge = new HttpBridge(
         new HttpBridge::RequestContextGetter(
             fake_default_request_context_getter_));
@@ skipping 245 matching lines @@
   http_bridge->SetPostPayload("text/plain", 2, " ");
 
   int os_error = 0;
   int response_code = 0;
 
   bool success = http_bridge->MakeSynchronousPost(&os_error, &response_code);
   ASSERT_TRUE(success);
   http_bridge->Abort();
   // Ensures no double-free of URLFetcher, etc.
 }