Reworked the plumbing required to pass the client resolution to the desktop resizer.

remoting/host/screen_resolution.h

+// Copyright (c) 2013 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 REMOTING_HOST_SCREEN_RESOLUTION_H_
+#define REMOTING_HOST_SCREEN_RESOLUTION_H_
+
+#include "base/basictypes.h"
+#include "base/compiler_specific.h"
+#include "third_party/skia/include/core/SkPoint.h"
+#include "third_party/skia/include/core/SkSize.h"
+
+namespace remoting {
+
+// This structure describes the screen's dimensions and DPI.
+struct ScreenResolution {
+  ScreenResolution();
+
+  ScreenResolution(const SkISize& dimensions, const SkIPoint& dpi);
+
+  // Returns the screen dimensions scaled assording to the passed |new_dpi|.
+  SkISize ScaleDimensionsToDpi(const SkIPoint& new_dpi) const;
+
+  // Returns true if |dimensions_| specifies an empty rectangle or when
+  // IsValid() returns false.
+  bool IsNull() const;
+
+  // Returns true if both |dimensions_| and |dpi_| are valid. |dimensions_|
+  // specifying an empty rectangle is considered to be valid.
+  bool IsValid() const;
+
+  // Dimensions of the screen in pixels.
+  SkISize dimensions_;
+
+  // The vertical and horizontal DPI of the screen.
+  SkIPoint dpi_;
+};
+
+}  // namespace remoting
+
+#endif  // REMOTING_HOST_SCREEN_RESOLUTION_H_