cc: Use ui/gfx geometry types for the CCRenderPass and CCDrawQuad classes.

cc/math/float_size.cc

Index: cc/math/float_size.cc
diff --git a/cc/math/float_size.cc b/cc/math/float_size.cc
new file mode 100644
index 0000000000000000000000000000000000000000..783762ae3af1d2f514c24ff5c1c04475eac7de8a
--- /dev/null
+++ b/cc/math/float_size.cc
@@ -0,0 +1,18 @@
+// Copyright 2012 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 "cc/math/float_size.h"
+
+namespace ccmath {
+
+void FloatSize::ClampToNonNegative() {
+  m_width = m_width < 0 ? 0 : m_width;
+  m_height = m_height < 0 ? 0 : m_height;
+}
+
+bool FloatSize::IsEmpty() const {
+  return m_width <= 0 && m_height <= 0;
+}
+
+} // namespace ccmath