Don't let rounding prematurely influence document size when printing

third_party/WebKit/public/platform/WebDoubleSize.h

+// Copyright 2016 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 WebDoubleSize_h
+#define WebDoubleSize_h
+
+#include "WebCommon.h"
+
+#if INSIDE_BLINK
+#include "platform/geometry/DoubleSize.h"
+#else
+#include <ui/gfx/geometry/size_f.h>
+#include <ui/gfx/geometry/vector2d_f.h>
+#endif
+
+namespace blink {
+
+class WebDoubleSize {
+public:
+    bool isEmpty() const { return m_width <= 0 || m_height <= 0; }
+
+    WebDoubleSize()
+        : m_width(0)
+        , m_height(0)
+    {
+    }
+
+    WebDoubleSize(double m_width, double m_height)
+        : m_width(m_width)
+        , m_height(m_height)
+    {
+    }
+
+#if INSIDE_BLINK
+    WebDoubleSize(const DoubleSize& size)
+        : m_width(size.width())
+        , m_height(size.height())
+    {
+    }
+
+    WebDoubleSize& operator=(const DoubleSize& size)
+    {
+        m_width = size.width();
+        m_height = size.height();
+        return *this;
+    }
+
+    operator DoubleSize() const
+    {
+        return DoubleSize(m_width, m_height);
+    }
+#else
+    WebDoubleSize(const gfx::SizeF& size)
+        : m_width(size.width())
+        , m_height(size.height())
+    {
+    }
+
+    WebDoubleSize(const gfx::Vector2dF& vector)
+        : m_width(vector.x())
+        , m_height(vector.y())
+    {
+    }
+
+    WebDoubleSize& operator=(const gfx::SizeF& size)
+    {
+        m_width = size.width();
+        m_height = size.height();
+        return *this;
+    }
+
+    WebDoubleSize& operator=(const gfx::Vector2dF& vector)
+    {
+        m_width = vector.x();
+        m_height = vector.y();
+        return *this;
+    }
+#endif
+
+    double width() const { return m_width; }
+    double height() const { return m_height; }
+
+private:
+    double m_width;
+    double m_height;
+};
+
+inline bool operator==(const WebDoubleSize& a, const WebDoubleSize& b)
+{
+    return a.width() == b.width() && a.height() == b.height();
+}
+
+inline bool operator!=(const WebDoubleSize& a, const WebDoubleSize& b)
+{
+    return !(a == b);
+}
+
+} // namespace blink
+
+#endif