Oilpan: move 2D Canvas and WebGL objects to the heap.

Source/core/html/TextMetrics.h

 /*
  * Copyright (C) 2008 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 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 TextMetrics_h
 #define TextMetrics_h
 
 #include "bindings/core/v8/ScriptWrappable.h"
+#include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
-class TextMetrics : public RefCounted<TextMetrics>, public ScriptWrappable {
+class TextMetrics FINAL : public RefCountedWillBeGarbageCollectedFinalized<TextMetrics>, public ScriptWrappable {

[haraken, 2014/07/03 04:40:29]

Now that ScriptWrappable doesn't need a destructor, you can drop Finalized.

[sof, 2014/07/03 07:25:48]

Gone.

 public:
-    static PassRefPtr<TextMetrics> create() { return adoptRef(new TextMetrics); }
+    static PassRefPtrWillBeRawPtr<TextMetrics> create() { return adoptRefWillBeNoop(new TextMetrics); }
 
     float width() const { return m_width; }
     void setWidth(float w) { m_width = w; }
 
     float actualBoundingBoxLeft() const { return m_actualBoundingBoxLeft; }
     void setActualBoundingBoxLeft(float actualBoundingBoxLeft) { m_actualBoundingBoxLeft = actualBoundingBoxLeft; }
 
     float actualBoundingBoxRight() const { return m_actualBoundingBoxRight; }
     void setActualBoundingBoxRight(float actualBoundingBoxRight) { m_actualBoundingBoxRight = actualBoundingBoxRight; }
 
@@ skipping 17 matching lines @@
 
     float hangingBaseline() const { return m_hangingBaseline; }
     void setHangingBaseline(float hangingBaseline) { m_hangingBaseline = hangingBaseline; }
 
     float alphabeticBaseline() const { return m_alphabeticBaseline; }
     void setAlphabeticBaseline(float alphabeticBaseline) { m_alphabeticBaseline = alphabeticBaseline; }
 
     float ideographicBaseline() const { return m_ideographicBaseline; }
     void setIdeographicBaseline(float ideographicBaseline) { m_ideographicBaseline = ideographicBaseline; }
 
+    void trace(Visitor*) { }
+
 private:
     TextMetrics()
         : m_width(0)
         , m_actualBoundingBoxLeft(0)
         , m_actualBoundingBoxRight(0)
         , m_fontBoundingBoxAscent(0)
         , m_fontBoundingBoxDescent(0)
         , m_actualBoundingBoxAscent(0)
         , m_actualBoundingBoxDescent(0)
         , m_emHeightAscent(0)
@@ skipping 18 matching lines @@
     float m_emHeightAscent;
     float m_emHeightDescent;
     float m_hangingBaseline;
     float m_alphabeticBaseline;
     float m_ideographicBaseline;
 };
 
 } // namespace WebCore
 
 #endif // TextMetrics_h