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

Source/core/html/canvas/WebGLShaderPrecisionFormat.h

Index: Source/core/html/canvas/WebGLShaderPrecisionFormat.h
diff --git a/Source/core/html/canvas/WebGLShaderPrecisionFormat.h b/Source/core/html/canvas/WebGLShaderPrecisionFormat.h
index c20d84f7d3d58b7e3af093b231938753ed837464..ef9650173d80a72800b92abdd5351d5ae9be4212 100644
--- a/Source/core/html/canvas/WebGLShaderPrecisionFormat.h
+++ b/Source/core/html/canvas/WebGLShaderPrecisionFormat.h
@@ -29,19 +29,22 @@
 
 #include "bindings/core/v8/ScriptWrappable.h"
 #include "platform/graphics/GraphicsTypes3D.h"
+#include "platform/heap/Handle.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 
 namespace WebCore {
 
-class WebGLShaderPrecisionFormat : public RefCounted<WebGLShaderPrecisionFormat>, public ScriptWrappable {
+class WebGLShaderPrecisionFormat FINAL : public RefCountedWillBeGarbageCollectedFinalized<WebGLShaderPrecisionFormat>, public ScriptWrappable {

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

Can we probably drop Finalized?

[sof, 2014/07/03 07:25:49]

Done.

 public:
-    static PassRefPtr<WebGLShaderPrecisionFormat> create(GLint rangeMin, GLint rangeMax, GLint precision);
+    static PassRefPtrWillBeRawPtr<WebGLShaderPrecisionFormat> create(GLint rangeMin, GLint rangeMax, GLint precision);
 
     GLint rangeMin() const;
     GLint rangeMax() const;
     GLint precision() const;
 
+    void trace(Visitor*) { }
+
 private:
     WebGLShaderPrecisionFormat(GLint rangeMin, GLint rangeMax, GLint precision);