Make classes and structures in core/html fast-allocated.

Source/core/html/imports/HTMLImportState.h

 /*
  * Copyright (C) 2014 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 13 matching lines @@
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * 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 HTMLImportState_h
 #define HTMLImportState_h
 
+#include "wtf/Allocator.h"
 #include "wtf/Assertions.h"
 
 namespace blink {
 
 class HTMLImportState {
+    DISALLOW_ALLOCATION();
 public:
     enum Value {
         BlockingScriptExecution = 0,
         Active,
         Ready,
         Invalid
     };
 
     explicit HTMLImportState(Value value = BlockingScriptExecution)
         : m_value(value)
@@ skipping 19 matching lines @@
 
 inline HTMLImportState::Value HTMLImportState::checkedValue() const
 {
     ASSERT(isValid());
     return m_value;
 }
 
 }
 
 #endif