Make classes and structures in core/style, core/plugins and core/streams fast-allocated.

Source/core/style/GridLength.h

 /*
  * 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:
  *
  *     * 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 14 matching lines @@
  * DATA, OR 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 GridLength_h
 #define GridLength_h
 
 #include "platform/Length.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
 // This class wraps the <track-breadth> which can be either a <percentage>, <length>, min-content, max-content
 // or <flex>. This class avoids spreading the knowledge of <flex> throughout the layout directory by adding
 // an new unit to Length.h.
 class GridLength {
+    DISALLOW_ALLOCATION();
 public:
     GridLength(const Length& length)
         : m_length(length)
         , m_flex(0)
         , m_type(LengthType)
     {
     }
 
     explicit GridLength(double flex)
         : m_flex(flex)
@@ skipping 25 matching lines @@
     enum GridLengthType {
         LengthType,
         FlexType
     };
     GridLengthType m_type;
 };
 
 } // namespace blink
 
 #endif // GridLength_h