Revert "content: Remove use of MessageLoopProxy and deprecated MessageLoop APIs"

content/browser/webui/url_data_manager_backend.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 "content/browser/webui/url_data_manager_backend.h"
 
 #include <set>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/debug/alias.h"
 #include "base/lazy_instance.h"
-#include "base/location.h"
 #include "base/memory/ref_counted.h"
 #include "base/memory/ref_counted_memory.h"
 #include "base/memory/weak_ptr.h"
+#include "base/message_loop/message_loop.h"
 #include "base/profiler/scoped_tracker.h"
-#include "base/single_thread_task_runner.h"
 #include "base/strings/string_util.h"
 #include "base/strings/stringprintf.h"
 #include "base/trace_event/trace_event.h"
 #include "content/browser/appcache/view_appcache_internals_job.h"
 #include "content/browser/fileapi/chrome_blob_storage_context.h"
 #include "content/browser/histogram_internals_request_job.h"
 #include "content/browser/net/view_blob_internals_job_factory.h"
 #include "content/browser/net/view_http_cache_job_factory.h"
 #include "content/browser/resource_context_impl.h"
 #include "content/browser/tcmalloc_internals_request_job.h"
@@ skipping 602 matching lines @@
     // on for this path.  Call directly into it from this thread, the IO
     // thread.
     source->source()->StartDataRequest(
         path, render_process_id, render_frame_id,
         base::Bind(&URLDataSourceImpl::SendResponse, source, request_id));
   } else {
     // URLRequestChromeJob should receive mime type before data. This
     // is guaranteed because request for mime type is placed in the
     // message loop before request for data. And correspondingly their
     // replies are put on the IO thread in the same order.
-    target_message_loop->task_runner()->PostTask(
+    target_message_loop->PostTask(
         FROM_HERE,
-        base::Bind(&GetMimeTypeOnUI, scoped_refptr<URLDataSourceImpl>(source),
+        base::Bind(&GetMimeTypeOnUI,
+                   scoped_refptr<URLDataSourceImpl>(source),
                    path, job->AsWeakPtr()));
 
     // The DataSource wants StartDataRequest to be called on a specific thread,
     // usually the UI thread, for this path.
-    target_message_loop->task_runner()->PostTask(
-        FROM_HERE, base::Bind(&URLDataManagerBackend::CallStartRequest,
-                              make_scoped_refptr(source), path,
-                              render_process_id, render_frame_id, request_id));
+    target_message_loop->PostTask(
+        FROM_HERE,
+        base::Bind(&URLDataManagerBackend::CallStartRequest,
+                   make_scoped_refptr(source), path, render_process_id,
+                   render_frame_id, request_id));
   }
   return true;
 }
 
 URLDataSourceImpl* URLDataManagerBackend::GetDataSourceFromURL(
     const GURL& url) {
   // The input usually looks like: chrome://source_name/extra_bits?foo
   // so do a lookup using the host of the URL.
   DataSourceMap::iterator i = data_sources_.find(url.host());
   if (i != data_sources_.end())
@@ skipping 100 matching lines @@
 
 }  // namespace
 
 net::URLRequestJobFactory::ProtocolHandler*
 CreateDevToolsProtocolHandler(content::ResourceContext* resource_context,
                               bool is_incognito) {
   return new DevToolsJobFactory(resource_context, is_incognito);
 }
 
 }  // namespace content