Replace ASSERT, ASSERT_NOT_REACHED, and RELEASE_ASSERT in modules/filesystem

third_party/WebKit/Source/modules/filesystem/DraggedIsolatedFileSystemImpl.cpp

 /*
  * Copyright (C) 2012 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 40 matching lines @@
   if (it != dragged_isolated_file_system->filesystems_.end())
     return it->value;
   return dragged_isolated_file_system->filesystems_
       .insert(file_system_id, DOMFileSystem::CreateIsolatedFileSystem(
                                   execution_context, file_system_id))
       .stored_value->value;
 }
 
 // static
 const char* DraggedIsolatedFileSystemImpl::SupplementName() {
-  ASSERT(IsMainThread());
+  DCHECK(IsMainThread());
   return "DraggedIsolatedFileSystemImpl";
 }
 
 DraggedIsolatedFileSystemImpl* DraggedIsolatedFileSystemImpl::From(
     DataObject* data_object) {
   return static_cast<DraggedIsolatedFileSystemImpl*>(
       Supplement<DataObject>::From(data_object, SupplementName()));
 }
 
 DEFINE_TRACE(DraggedIsolatedFileSystemImpl) {
   visitor->Trace(filesystems_);
   Supplement<DataObject>::Trace(visitor);
 }
 
 void DraggedIsolatedFileSystemImpl::PrepareForDataObject(
     DataObject* data_object) {
   DraggedIsolatedFileSystemImpl* file_system =
       new DraggedIsolatedFileSystemImpl();
   DraggedIsolatedFileSystemImpl::ProvideTo(
       *data_object, DraggedIsolatedFileSystemImpl::SupplementName(),
       file_system);
 }
 
 }  // namespace blink