[Pepper] Wire up append mode writing support of FileIO

ppapi/shared_impl/file_growth.h

Index: ppapi/shared_impl/file_growth.h
diff --git a/ppapi/shared_impl/file_growth.h b/ppapi/shared_impl/file_growth.h
index b9e83ec3b1de9b65c74b4b3100ea3522ee029dba..6c1932c023e79c48e169f7e579e0aee723a5b844 100644
--- a/ppapi/shared_impl/file_growth.h
+++ b/ppapi/shared_impl/file_growth.h
@@ -23,6 +23,11 @@ struct PPAPI_SHARED_EXPORT FileGrowth {
 typedef std::map<int32_t, FileGrowth> FileGrowthMap;
 typedef std::map<int32_t, int64_t> FileSizeMap;
 
+PPAPI_SHARED_EXPORT FileGrowthMap FileSizeMapToFileGrowthMap(

[bbudge, 2014/01/27 21:53:37]

It might be a good idea to make it clear these are for testing:
e.g. FileSizeMapToFileGrowthMapForTesting

wdyt?

[tzik, 2014/01/28 06:12:49]

Sounds nice. Done.

+    const FileSizeMap& file_sizes);
+PPAPI_SHARED_EXPORT FileSizeMap FileGrowthMapToFileSizeMap(
+    const FileGrowthMap& file_growths);
+
 }  // namespace ppapi
 
 #endif  // PPAPI_SHARED_IMPL_FILE_GROWTH_H_