Miscellaneous cleanup to reduce number of includes in platform/graphics/

Source/core/platform/graphics/IntPoint.h

 /*
  * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc.  All rights reserved.
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 10 matching lines @@
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
  */
 
 #ifndef IntPoint_h
 #define IntPoint_h
 
 #include "core/platform/graphics/IntSize.h"
-#include "wtf/MathExtras.h"
 #include "wtf/Platform.h"
 
 #if OS(DARWIN)
 typedef struct CGPoint CGPoint;
 #ifdef NSGEOMETRY_TYPES_SAME_AS_CGGEOMETRY_TYPES
 typedef struct CGPoint NSPoint;
 #else
 typedef struct _NSPoint NSPoint;
 #endif
 #endif
@@ skipping 10 matching lines @@
 
     int x() const { return m_x; }
     int y() const { return m_y; }
 
     void setX(int x) { m_x = x; }
     void setY(int y) { m_y = y; }
 
     void move(const IntSize& s) { move(s.width(), s.height()); } 
     void moveBy(const IntPoint& offset) { move(offset.x(), offset.y()); }
     void move(int dx, int dy) { m_x += dx; m_y += dy; }
-    void scale(float sx, float sy)
-    {
-        m_x = lroundf(static_cast<float>(m_x * sx));
-        m_y = lroundf(static_cast<float>(m_y * sy));
-    }
-    
+    void scale(float sx, float sy);
+
     IntPoint expandedTo(const IntPoint& other) const
     {
         return IntPoint(m_x > other.m_x ? m_x : other.m_x,
             m_y > other.m_y ? m_y : other.m_y);
     }
 
     IntPoint shrunkTo(const IntPoint& other) const
     {
         return IntPoint(m_x < other.m_x ? m_x : other.m_x,
             m_y < other.m_y ? m_y : other.m_y);
@@ skipping 78 matching lines @@
 }
 
 inline int IntPoint::distanceSquaredToPoint(const IntPoint& point) const
 {
     return ((*this) - point).diagonalLengthSquared();
 }
 
 } // namespace WebCore
 
 #endif // IntPoint_h