Type conversion fixes, ui/gfx/ edition.

ui/gfx/geometry/point.h

 // Copyright (c) 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.
 
 #ifndef UI_GFX_GEOMETRY_POINT_H_
 #define UI_GFX_GEOMETRY_POINT_H_
 
 #include <iosfwd>
 #include <string>
 
@@ skipping 31 matching lines @@
 
   ~Point() {}
 
 #if defined(OS_WIN)
   POINT ToPOINT() const;
 #elif defined(OS_MACOSX)
   CGPoint ToCGPoint() const;
 #endif
 
   operator PointF() const {
-    return PointF(x(), y());
+    return PointF(static_cast<float>(x()), static_cast<float>(y()));
   }
 
   // Returns a string representation of point.
   std::string ToString() const;
 };
 
 inline bool operator==(const Point& lhs, const Point& rhs) {
   return lhs.x() == rhs.x() && lhs.y() == rhs.y();
 }
 
@@ skipping 26 matching lines @@
 #endif
 
 // This is declared here for use in gtest-based unit tests but is defined in
 // the gfx_test_support target. Depend on that to use this in your unit test.
 // This should not be used in production code - call ToString() instead.
 void PrintTo(const Point& point, ::std::ostream* os);
 
 }  // namespace gfx
 
 #endif  // UI_GFX_GEOMETRY_POINT_H_