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

Source/modules/webgl/WebGLTexture.cpp

Index: Source/modules/webgl/WebGLTexture.cpp
diff --git a/Source/modules/webgl/WebGLTexture.cpp b/Source/modules/webgl/WebGLTexture.cpp
index 345e62345754cc58f916581a8f756e7b98ab0f21..2f1f1f1021ae01faa0c00b73bfef67904267f44f 100644
--- a/Source/modules/webgl/WebGLTexture.cpp
+++ b/Source/modules/webgl/WebGLTexture.cpp
@@ -31,9 +31,9 @@
 
 namespace blink {
 
-PassRefPtrWillBeRawPtr<WebGLTexture> WebGLTexture::create(WebGLRenderingContextBase* ctx)
+WebGLTexture* WebGLTexture::create(WebGLRenderingContextBase* ctx)
 {
-    return adoptRefWillBeNoop(new WebGLTexture(ctx));
+    return new WebGLTexture(ctx);
 }
 
 WebGLTexture::WebGLTexture(WebGLRenderingContextBase* ctx)
@@ -60,9 +60,7 @@ WebGLTexture::WebGLTexture(WebGLRenderingContextBase* ctx)
 
 WebGLTexture::~WebGLTexture()
 {
-    // Always perform detach here to ensure that platform object
-    // deletion happens with Oilpan enabled. It keeps the code regular
-    // to do it with or without Oilpan enabled.
+    // Call detach here to ensure that platform object deletion happens.
     //
     // See comment in WebGLBuffer's destructor for additional
     // information on why this is done for WebGLSharedObject-derived