Creating a pexe content handler to translate and run pexes.

mojo/data_pipe_utils/data_pipe_file_utils.cc

 // Copyright 2014 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 "mojo/data_pipe_utils/data_pipe_utils.h"
 
 #include <stdio.h>
 
 #include <limits>
 
@@ skipping 317 matching lines @@
     return nullptr;
   }
   if (!BlockingCopyHelper(source.Pass(),
                           base::Bind(&CopyToFileHelper, fp.get()))) {
     LOG(ERROR) << "Could not copy source to temporary file";
     return nullptr;
   }
   return fp;
 }
 
+base::FilePath BlockingCopyToNewTempFile(ScopedDataPipeConsumerHandle source) {
+  base::FilePath path;
+  base::ScopedFILE fp(CreateAndOpenTemporaryFile(&path));
+  if (!fp) {
+    LOG(ERROR) << "CreateAndOpenTemporaryFile failed in"
+               << "BlockingCopyToTempFile";
+    return base::FilePath("");
+  }
+  if (!BlockingCopyHelper(source.Pass(),
+                          base::Bind(&CopyToFileHelper, fp.get()))) {
+    LOG(ERROR) << "Could not copy source to temporary file";
+    return base::FilePath("");
+  }
+  return path;
+}
+
 void CopyToFile(ScopedDataPipeConsumerHandle source,
                 const base::FilePath& destination,
                 base::TaskRunner* task_runner,
                 const base::Callback<void(bool)>& callback) {
   new CopyToFileHandler(source.Pass(), destination, task_runner, callback);
 }
 
 void CopyFromFile(const base::FilePath& source,
                   ScopedDataPipeProducerHandle destination,
                   uint32_t skip,
                   base::TaskRunner* task_runner,
                   const base::Callback<void(bool)>& callback) {
   new CopyFromFileHandler(source, destination.Pass(), skip, task_runner,
                           callback);
 }
 
 }  // namespace common
 }  // namespace mojo