Implicit coversion operators from integer geometry types to floating point.

ui/gfx/point_base.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_POINT_BASE_H_
 #define UI_GFX_POINT_BASE_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
@@ skipping 33 matching lines @@
     const Class* orig = static_cast<const Class*>(this);
     Class copy = *orig;
     copy.Offset(-other.x_, -other.y_);
     return copy;
   }
 
   Class Middle(const Class& other) const WARN_UNUSED_RESULT {
     return Class((x_ + other.x_) / 2, (y_ + other.y_) / 2);
   }
 
-  bool operator==(const Class& rhs) const {
-    return x_ == rhs.x_ && y_ == rhs.y_;
-  }
-
-  bool operator!=(const Class& rhs) const {
-    return !(*this == rhs);
-  }
-
   // A point is less than another point if its y-value is closer
   // to the origin. If the y-values are the same, then point with
   // the x-value closer to the origin is considered less than the
   // other.
   // This comparison is required to use Point in sets, or sorted
   // vectors.
   bool operator<(const Class& rhs) const {
     return (y_ == rhs.y_) ? (x_ < rhs.x_) : (y_ < rhs.y_);
   }
 
  protected:
   PointBase(Type x, Type y) : x_(x), y_(y) {}
   // Destructor is intentionally made non virtual and protected.
   // Do not make this public.
   ~PointBase() {}
 
  private:
   Type x_;
   Type y_;
 };
 
 }  // namespace gfx
 
 #endif  // UI_GFX_POINT_BASE_H_