From 1d0da9ba44eb10d07a2d59de0944e4436db59bd2 Mon Sep 17 00:00:00 2001
From: "tzik@chromium.org"
 <tzik@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98>
Date: Mon, 20 Jan 2014 06:58:00 +0000
Subject: [Pepper] Add FileGrowth struct for append mode write

BUG=334171

Review URL: https://codereview.chromium.org/135303003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@245861 0039d316-1c4b-4281-b951-d872f2087c98
---
 ppapi/ppapi_shared.gypi          |  2 ++
 ppapi/shared_impl/file_growth.cc | 24 ++++++++++++++++++++++++
 ppapi/shared_impl/file_growth.h  | 28 ++++++++++++++++++++++++++++
 3 files changed, 54 insertions(+)
 create mode 100644 ppapi/shared_impl/file_growth.cc
 create mode 100644 ppapi/shared_impl/file_growth.h

diff --git a/ppapi/ppapi_shared.gypi b/ppapi/ppapi_shared.gypi
index 01390ae..18bcc1b 100644
--- a/ppapi/ppapi_shared.gypi
+++ b/ppapi/ppapi_shared.gypi
@@ -21,6 +21,8 @@
           'shared_impl/dictionary_var.h',
           'shared_impl/file_io_state_manager.cc',
           'shared_impl/file_io_state_manager.h',
+          'shared_impl/file_growth.cc',
+          'shared_impl/file_growth.h',
           'shared_impl/file_path.cc',
           'shared_impl/file_path.h',
           'shared_impl/file_ref_create_info.cc',
diff --git a/ppapi/shared_impl/file_growth.cc b/ppapi/shared_impl/file_growth.cc
new file mode 100644
index 0000000..002bd0f
--- /dev/null
+++ b/ppapi/shared_impl/file_growth.cc
@@ -0,0 +1,24 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "ppapi/shared_impl/file_growth.h"
+
+#include "base/logging.h"
+
+namespace ppapi {
+
+FileGrowth::FileGrowth()
+    : max_written_offset(0),
+      append_mode_write_amount(0) {
+}
+
+FileGrowth::FileGrowth(int64_t max_written_offset,
+                       int64_t append_mode_write_amount)
+    : max_written_offset(max_written_offset),
+      append_mode_write_amount(append_mode_write_amount) {
+  DCHECK_LE(0, max_written_offset);
+  DCHECK_LE(0, append_mode_write_amount);
+}
+
+}  // namespace ppapi
diff --git a/ppapi/shared_impl/file_growth.h b/ppapi/shared_impl/file_growth.h
new file mode 100644
index 0000000..b9e83ec
--- /dev/null
+++ b/ppapi/shared_impl/file_growth.h
@@ -0,0 +1,28 @@
+// Copyright 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef PPAPI_SHARED_IMPL_FILE_GROWTH_H_
+#define PPAPI_SHARED_IMPL_FILE_GROWTH_H_
+
+#include <map>
+
+#include "ppapi/c/pp_stdint.h"
+#include "ppapi/shared_impl/ppapi_shared_export.h"
+
+namespace ppapi {
+
+struct PPAPI_SHARED_EXPORT FileGrowth {
+  FileGrowth();
+  FileGrowth(int64_t max_written_offset, int64_t append_mode_write_amount);
+
+  int64_t max_written_offset;
+  int64_t append_mode_write_amount;
+};
+
+typedef std::map<int32_t, FileGrowth> FileGrowthMap;
+typedef std::map<int32_t, int64_t> FileSizeMap;
+
+}  // namespace ppapi
+
+#endif  // PPAPI_SHARED_IMPL_FILE_GROWTH_H_
-- 
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