Unify the three places that patch font loading for PDFium on Windows.

content/child/fileapi/webfilesystem_impl.cc

 // Copyright 2013 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/child/fileapi/webfilesystem_impl.h"
 
 #include "base/bind.h"
 #include "base/lazy_instance.h"
 #include "base/logging.h"
 #include "base/message_loop/message_loop_proxy.h"
 #include "base/strings/utf_string_conversions.h"
 #include "base/synchronization/waitable_event.h"
 #include "base/threading/thread_local.h"
-#include "content/child/child_thread.h"
+#include "content/child/child_thread_impl.h"
 #include "content/child/file_info_util.h"
 #include "content/child/fileapi/file_system_dispatcher.h"
 #include "content/child/fileapi/webfilewriter_impl.h"
 #include "content/child/worker_task_runner.h"
 #include "content/common/fileapi/file_system_messages.h"
 #include "storage/common/fileapi/directory_entry.h"
 #include "storage/common/fileapi/file_system_util.h"
 #include "third_party/WebKit/public/platform/WebFileInfo.h"
 #include "third_party/WebKit/public/platform/WebFileSystemCallbacks.h"
 #include "third_party/WebKit/public/platform/WebString.h"
@@ skipping 54 matching lines @@
 };
 
 namespace {
 
 typedef WebFileSystemImpl::WaitableCallbackResults WaitableCallbackResults;
 
 base::LazyInstance<base::ThreadLocalPointer<WebFileSystemImpl> >::Leaky
     g_webfilesystem_tls = LAZY_INSTANCE_INITIALIZER;
 
 void DidReceiveSnapshotFile(int request_id) {
-  if (ChildThread::current())
-    ChildThread::current()->Send(
+  if (ChildThreadImpl::current())
+    ChildThreadImpl::current()->Send(
         new FileSystemHostMsg_DidReceiveSnapshotFile(request_id));
 }
 
 int CurrentWorkerId() {
   return WorkerTaskRunner::Instance()->CurrentWorkerId();
 }
 
 template <typename Method, typename Params>
 void CallDispatcherOnMainThread(
     const scoped_refptr<base::SingleThreadTaskRunner>& main_thread_task_runner,
     Method method, const Params& params,
     WaitableCallbackResults* waitable_results) {
   if (!main_thread_task_runner->RunsTasksOnCurrentThread()) {
     main_thread_task_runner->PostTask(
         FROM_HERE,
         base::Bind(&CallDispatcherOnMainThread<Method, Params>,
                    main_thread_task_runner, method, params,
                    scoped_refptr<WaitableCallbackResults>()));
     if (!waitable_results)
       return;
     waitable_results->WaitAndRun();
   }
-  if (!ChildThread::current() ||
-      !ChildThread::current()->file_system_dispatcher())
+  if (!ChildThreadImpl::current() ||
+      !ChildThreadImpl::current()->file_system_dispatcher())
     return;
 
   DCHECK(!waitable_results);
-  DispatchToMethod(ChildThread::current()->file_system_dispatcher(),
+  DispatchToMethod(ChildThreadImpl::current()->file_system_dispatcher(),
                    method, params);
 }
 
 enum CallbacksUnregisterMode {
   UNREGISTER_CALLBACKS,
   DO_NOT_UNREGISTER_CALLBACKS,
 };
 
 // Bridging functions that convert the arguments into Blink objects
 // (e.g. WebFileInfo, WebString, WebVector<WebFileSystemEntry>)
@@ skipping 568 matching lines @@
 WaitableCallbackResults* WebFileSystemImpl::MaybeCreateWaitableResults(
     const WebFileSystemCallbacks& callbacks, int callbacks_id) {
   if (!callbacks.shouldBlockUntilCompletion())
     return NULL;
   WaitableCallbackResults* results = new WaitableCallbackResults();
   waitable_results_[callbacks_id] = results;
   return results;
 }
 
 }  // namespace content