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

Source/core/html/canvas/WebGLUniformLocation.h

Index: Source/core/html/canvas/WebGLUniformLocation.h
diff --git a/Source/core/html/canvas/WebGLUniformLocation.h b/Source/core/html/canvas/WebGLUniformLocation.h
index aacde36379b185cd3237ccdb9fb4675fadabd8dc..2cd726f5bf3a8a233d7d42ffba84cb201ebc94c2 100644
--- a/Source/core/html/canvas/WebGLUniformLocation.h
+++ b/Source/core/html/canvas/WebGLUniformLocation.h
@@ -34,19 +34,21 @@
 
 namespace WebCore {
 
-class WebGLUniformLocation FINAL : public RefCounted<WebGLUniformLocation>, public ScriptWrappable {
+class WebGLUniformLocation FINAL : public RefCountedWillBeGarbageCollectedFinalized<WebGLUniformLocation>, public ScriptWrappable {
 public:
-    static PassRefPtr<WebGLUniformLocation> create(WebGLProgram*, GLint location);
+    static PassRefPtrWillBeRawPtr<WebGLUniformLocation> create(WebGLProgram*, GLint location);
 
     WebGLProgram* program() const;
 
     GLint location() const;
 
+    void trace(Visitor*);
+
 protected:
     WebGLUniformLocation(WebGLProgram*, GLint location);
 
 private:
-    RefPtr<WebGLProgram> m_program;
+    RefPtrWillBeMember<WebGLProgram> m_program;
     GLint m_location;
     unsigned m_linkCount;
 };