Allow local file to run though content handler.

mojo/common/data_pipe_utils.h

Index: mojo/common/data_pipe_utils.h
diff --git a/mojo/common/data_pipe_utils.h b/mojo/common/data_pipe_utils.h
index dc2197b6e07fd14a7d1f08ec4da610e852367a5c..106537f8e2550bbbc197c7c6df2ed4f8f409c56a 100644
--- a/mojo/common/data_pipe_utils.h
+++ b/mojo/common/data_pipe_utils.h
@@ -28,6 +28,12 @@ void MOJO_COMMON_EXPORT CopyToFile(
     base::TaskRunner* task_runner,
     const base::Callback<void(bool /*success*/)>& callback);
 
+void MOJO_COMMON_EXPORT
+    CopyFromFile(const base::FilePath& source,
+                 ScopedDataPipeProducerHandle destination,
+                 base::TaskRunner* task_runner,
+                 const base::Callback<void(bool /*success*/)>& callback);

[Aaron Boodman, 2014/11/03 19:20:15]

This /* syntax */ is something I don't feel that I have seen in Chromium sources
before, and don't really like.

Oh well, you didn't introduce it.

[qsr, 2014/11/04 11:58:34]

Acknowledged.

+
 // Copies the data from |source| into |contents| and returns true on success and
 // false on error.  In case of I/O error, |contents| holds the data that could
 // be read from source before the error occurred.