Pepper: Move FileIO host from renderer to browser.

content/common/fileapi/file_system_messages.h

Index: content/common/fileapi/file_system_messages.h
diff --git a/content/common/fileapi/file_system_messages.h b/content/common/fileapi/file_system_messages.h
index e0af3a0dca1bfd0080431a0e19d05e8153901aec..2ce8d0387bb4e67d12ad03f66b929f5b51d5191c 100644
--- a/content/common/fileapi/file_system_messages.h
+++ b/content/common/fileapi/file_system_messages.h
@@ -164,12 +164,6 @@ IPC_MESSAGE_CONTROL2(FileSystemHostMsg_CancelWrite,
                      int /* request id */,
                      int /* id of request to cancel */)
 
-// Pepper's OpenFile message.
-IPC_MESSAGE_CONTROL3(FileSystemHostMsg_OpenPepperFile,
-                     int /* request id */,
-                     GURL /* file path */,
-                     int /* pp_open_flags */)
-
 // Pepper's NotifyCloseFile message.
 IPC_MESSAGE_CONTROL1(FileSystemHostMsg_NotifyCloseFile,
                      int /* file_open_id */)
@@ -189,11 +183,3 @@ IPC_MESSAGE_CONTROL1(FileSystemHostMsg_DidReceiveSnapshotFile,
 IPC_SYNC_MESSAGE_CONTROL1_1(FileSystemHostMsg_SyncGetPlatformPath,
                             GURL /* file path */,
                             base::FilePath /* platform_path */)
-
-// Pre- and post-update notifications for ppapi implementation.
-IPC_MESSAGE_CONTROL1(FileSystemHostMsg_WillUpdate,
-                     GURL /* file_path */)
-
-IPC_MESSAGE_CONTROL2(FileSystemHostMsg_DidUpdate,
-                     GURL /* file_path */,
-                     int64 /* delta */)