[Oilpan] Migrate classes under module/webgl onto oilpan heap

Source/modules/webgl/OESTextureHalfFloatLinear.cpp

Index: Source/modules/webgl/OESTextureHalfFloatLinear.cpp
diff --git a/Source/modules/webgl/OESTextureHalfFloatLinear.cpp b/Source/modules/webgl/OESTextureHalfFloatLinear.cpp
index 12b682a0a8a10dc6d7128748967bead969a6cce1..75fdcab9a2304ff9137fd6329c528efb14789a86 100644
--- a/Source/modules/webgl/OESTextureHalfFloatLinear.cpp
+++ b/Source/modules/webgl/OESTextureHalfFloatLinear.cpp
@@ -44,9 +44,9 @@ WebGLExtensionName OESTextureHalfFloatLinear::name() const
     return OESTextureHalfFloatLinearName;
 }
 
-PassRefPtrWillBeRawPtr<OESTextureHalfFloatLinear> OESTextureHalfFloatLinear::create(WebGLRenderingContextBase* context)
+OESTextureHalfFloatLinear* OESTextureHalfFloatLinear::create(WebGLRenderingContextBase* context)
 {
-    return adoptRefWillBeNoop(new OESTextureHalfFloatLinear(context));
+    return new OESTextureHalfFloatLinear(context);
 }
 
 bool OESTextureHalfFloatLinear::supported(WebGLRenderingContextBase* context)