Add initial code to do filename munging in the FileSystem....

webkit/plugins/ppapi/ppb_file_io_impl.cc

Index: webkit/plugins/ppapi/ppb_file_io_impl.cc
===================================================================
--- webkit/plugins/ppapi/ppb_file_io_impl.cc	(revision 72915)
+++ webkit/plugins/ppapi/ppb_file_io_impl.cc	(working copy)
@@ -276,7 +276,7 @@
   DCHECK(!info_);  // If |info_|, a callback should be pending (caught above).
   info_ = info;
 
-  if (!base::FileUtilProxy::GetFileInfoFromPlatformFile(
+  if (!base::FileUtilProxy::GetInstance()->GetFileInfoFromPlatformFile(
           instance()->delegate()->GetFileThreadMessageLoopProxy(), file_,
           callback_factory_.NewCallback(&PPB_FileIO_Impl::QueryInfoCallback)))
     return PP_ERROR_FAILED;
@@ -292,7 +292,7 @@
   if (rv != PP_OK)
     return rv;
 
-  if (!base::FileUtilProxy::Touch(
+  if (!base::FileUtilProxy::GetInstance()->Touch(
           instance()->delegate()->GetFileThreadMessageLoopProxy(),
           file_, base::Time::FromDoubleT(last_access_time),
           base::Time::FromDoubleT(last_modified_time),
@@ -311,7 +311,7 @@
   if (rv != PP_OK)
     return rv;
 
-  if (!base::FileUtilProxy::Read(
+  if (!base::FileUtilProxy::GetInstance()->Read(
           instance()->delegate()->GetFileThreadMessageLoopProxy(),
           file_, offset, buffer, bytes_to_read,
           callback_factory_.NewCallback(&PPB_FileIO_Impl::ReadWriteCallback)))
@@ -329,7 +329,7 @@
   if (rv != PP_OK)
     return rv;
 
-  if (!base::FileUtilProxy::Write(
+  if (!base::FileUtilProxy::GetInstance()->Write(
           instance()->delegate()->GetFileThreadMessageLoopProxy(),
           file_, offset, buffer, bytes_to_write,
           callback_factory_.NewCallback(&PPB_FileIO_Impl::ReadWriteCallback)))
@@ -345,7 +345,7 @@
   if (rv != PP_OK)
     return rv;
 
-  if (!base::FileUtilProxy::Truncate(
+  if (!base::FileUtilProxy::GetInstance()->Truncate(
           instance()->delegate()->GetFileThreadMessageLoopProxy(),
           file_, length,
           callback_factory_.NewCallback(&PPB_FileIO_Impl::StatusCallback)))
@@ -360,7 +360,7 @@
   if (rv != PP_OK)
     return rv;
 
-  if (!base::FileUtilProxy::Flush(
+  if (!base::FileUtilProxy::GetInstance()->Flush(
           instance()->delegate()->GetFileThreadMessageLoopProxy(), file_,
           callback_factory_.NewCallback(&PPB_FileIO_Impl::StatusCallback)))
     return PP_ERROR_FAILED;
@@ -371,7 +371,7 @@
 
 void PPB_FileIO_Impl::Close() {
   if (file_ != base::kInvalidPlatformFileValue) {
-    base::FileUtilProxy::Close(
+    base::FileUtilProxy::GetInstance()->Close(
         instance()->delegate()->GetFileThreadMessageLoopProxy(), file_, NULL);
     file_ = base::kInvalidPlatformFileValue;
   }