Move temp file functions to base namespace.

content/browser/tracing/tracing_controller_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/browser/tracing/tracing_controller_impl.h"
 
 #include "base/bind.h"
 #include "base/debug/trace_event.h"
 #include "base/file_util.h"
 #include "base/json/string_escape.h"
@@ skipping 49 matching lines @@
     : file_(NULL),
       path_(path),
       has_at_least_one_result_(false) {
   BrowserThread::PostTask(BrowserThread::FILE, FROM_HERE,
       base::Bind(&TracingControllerImpl::ResultFile::OpenTask,
                  base::Unretained(this)));
 }
 
 void TracingControllerImpl::ResultFile::OpenTask() {
   if (path_.empty())
-    file_util::CreateTemporaryFile(&path_);
+    base::CreateTemporaryFile(&path_);
   file_ = file_util::OpenFile(path_, "w");
   if (!file_) {
     LOG(ERROR) << "Failed to open " << path_.value();
     return;
   }
   const char* preamble = "{\"traceEvents\": [";
   size_t written = fwrite(preamble, strlen(preamble), 1, file_);
   DCHECK(written == 1);
 }
 
@@ skipping 556 matching lines @@
     BrowserThread::PostTask(BrowserThread::UI, FROM_HERE,
         base::Bind(&TracingControllerImpl::OnWatchEventMatched,
                    base::Unretained(this)));
   }
 
   if (!watch_event_callback_.is_null())
     watch_event_callback_.Run();
 }
 
 }  // namespace content