Implement a proxy for Pepper FileIO.

ppapi/shared_impl/file_type_conversion.h

Index: ppapi/shared_impl/file_type_conversion.h
diff --git a/webkit/plugins/ppapi/file_type_conversions.h b/ppapi/shared_impl/file_type_conversion.h
similarity index 74%
rename from webkit/plugins/ppapi/file_type_conversions.h
rename to ppapi/shared_impl/file_type_conversion.h
index 708a94bce0a0fe23c0970dbaec460e492aa8307a..3ecd404b7ea752cdf51caca777566aebed6331c1 100644
--- a/webkit/plugins/ppapi/file_type_conversions.h
+++ b/ppapi/shared_impl/file_type_conversion.h
@@ -2,13 +2,12 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#ifndef WEBKIT_PLUGINS_PPAPI_FILE_TYPE_CONVERSIONS_H_
-#define WEBKIT_PLUGINS_PPAPI_FILE_TYPE_CONVERSIONS_H_
+#ifndef PPAPI_SHARED_IMPL_FILE_TYPE_CONVERSION_H_
+#define PPAPI_SHARED_IMPL_FILE_TYPE_CONVERSION_H_
 
 #include "base/platform_file.h"
 #include "ppapi/c/pp_stdint.h"
 
-namespace webkit {
 namespace ppapi {
 
 int PlatformFileErrorToPepperError(base::PlatformFileError error_code);
@@ -20,6 +19,5 @@ bool PepperFileOpenFlagsToPlatformFileFlags(int32_t pp_open_flags,
                                             int* flags_out);
 
 }  // namespace ppapi
-}  // namespace webkit
 
-#endif  // WEBKIT_PLUGINS_PPAPI_FILE_TYPE_CONVERSIONS_H_
+#endif  // PPAPI_SHARED_IMPL_FILE_TYPE_CONVERSION_H_