Comment out broken CHECK in ppapi/ppb_url_loader_impl.cc....

webkit/plugins/ppapi/ppb_url_loader_impl.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 "webkit/plugins/ppapi/ppb_url_loader_impl.h"
 
 #include "base/logging.h"
 #include "ppapi/c/pp_completion_callback.h"
 #include "ppapi/c/pp_errors.h"
 #include "ppapi/c/ppb_url_loader.h"
@@ skipping 449 matching lines @@
 
   PP_Resource resource_id = GetReferenceNoAddRef();
   CHECK(resource_id);
   pending_callback_ = new TrackedCompletionCallback(
       instance()->module()->GetCallbackTracker(), resource_id, callback);
 }
 
 void PPB_URLLoader_Impl::RunCallback(int32_t result) {
   // This may be null only when this is a main document loader.
   if (!pending_callback_.get()) {
-    CHECK(main_document_loader_);
+    // TODO(viettrungluu): put this CHECK back when the callback race condition
+    // is fixed: http://code.google.com/p/chromium/issues/detail?id=70347.
+    //CHECK(main_document_loader_);
     return;
   }
 
   scoped_refptr<TrackedCompletionCallback> callback;
   callback.swap(pending_callback_);
   callback->Run(result);  // Will complete abortively if necessary.
 }
 
 size_t PPB_URLLoader_Impl::FillUserBuffer() {
   DCHECK(user_buffer_);
@@ skipping 53 matching lines @@
 bool PPB_URLLoader_Impl::RecordDownloadProgress() const {
   return request_info_ && request_info_->record_download_progress();
 }
 
 bool PPB_URLLoader_Impl::RecordUploadProgress() const {
   return request_info_ && request_info_->record_upload_progress();
 }
 
 }  // namespace ppapi
 }  // namespace webkit
-