Move touch CTM from X into Chrome

ui/aura/touch_ctm.h

Index: ui/aura/touch_ctm.h
diff --git a/ui/aura/touch_ctm.h b/ui/aura/touch_ctm.h
new file mode 100644
index 0000000000000000000000000000000000000000..21998fc324f4636da66bcbf8aa67d1a5fea7eccc
--- /dev/null
+++ b/ui/aura/touch_ctm.h
@@ -0,0 +1,24 @@
+// Copyright (c) 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 UI_AURA_TOUCH_CTM_H_
+#define UI_AURA_TOUCH_CTM_H_
+
+#include "ui/aura/aura_export.h"
+
+namespace aura {
+
+class AURA_EXPORT TouchCTM {

[sadrul, 2014/03/10 20:20:12]

Document.

[Yufeng Shen (Slow to review), 2014/03/13 20:55:46]

Done.

+ public:
+  TouchCTM();
+
+  float x_scale;
+  float x_offset;
+  float y_scale;
+  float y_offset;
+};
+
+}  // namespace aura
+
+#endif  // UI_AURA_TOUCH_CTM_H_