blink: Fix naming and const-ness of constants and non-constants.

third_party/WebKit/Source/platform/exported/WebMediaConstraints.cpp

 /*
  * Copyright (C) 2012 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 168 matching lines @@
         return false;
     }
     return true;
 }
 
 bool LongConstraint::isEmpty() const
 {
     return !m_hasMin && !m_hasMax && !m_hasExact && !m_hasIdeal;
 }
 
-double DoubleConstraint::kConstraintEpsilon = 0.00001;
+const double DoubleConstraint::kConstraintEpsilon = 0.00001;
 
 DoubleConstraint::DoubleConstraint(const char* name)
     : BaseConstraint(name)
     , m_min()
     , m_max()
     , m_exact()
     , m_ideal()
     , m_hasMin(false)
     , m_hasMax(false)
     , m_hasExact(false)
@@ skipping 217 matching lines @@
     return m_private->basic();
 }
 
 const WebVector<WebMediaTrackConstraintSet>& WebMediaConstraints::advanced() const
 {
     ASSERT(!isNull());
     return m_private->advanced();
 }
 
 } // namespace blink