Speed up fix for expando-loss conformance test.

third_party/WebKit/Source/modules/webgl/WebGL2RenderingContextBase.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/webgl/WebGL2RenderingContextBase.h"
 
 #include "bindings/modules/v8/WebGLAny.h"
 #include "core/frame/ImageBitmap.h"
 #include "core/html/HTMLCanvasElement.h"
 #include "core/html/HTMLImageElement.h"
@@ skipping 303 matching lines @@
         contextGL()->FramebufferTextureLayer(target, GL_DEPTH_ATTACHMENT, objectOrZero(texture), level, layer);
         contextGL()->FramebufferTextureLayer(target, GL_STENCIL_ATTACHMENT, objectOrZero(texture), level, layer);
     } else {
         contextGL()->FramebufferTextureLayer(target, attachment, objectOrZero(texture), level, layer);
     }
     if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) {
         // On ES3, DEPTH_STENCIL_ATTACHMENT is like an alias for DEPTH_ATTACHMENT + STENCIL_ATTACHMENT.
         // We divide it here so in WebGLFramebuffer, we don't have to handle DEPTH_STENCIL_ATTACHMENT in WebGL 2.
         framebufferBinding->setAttachmentForBoundFramebuffer(target, GL_DEPTH_ATTACHMENT, textarget, texture, level, layer);
         framebufferBinding->setAttachmentForBoundFramebuffer(target, GL_STENCIL_ATTACHMENT, textarget, texture, level, layer);
-        preserveObjectWrapper(scriptState, framebufferBinding, "attachment", GL_DEPTH_ATTACHMENT, texture);
-        preserveObjectWrapper(scriptState, framebufferBinding, "attachment", GL_STENCIL_ATTACHMENT, texture);
+        preserveObjectWrapper(scriptState, framebufferBinding, V8HiddenValue::webglAttachments(scriptState->isolate()), framebufferBinding->getPersistentCache(), GL_DEPTH_ATTACHMENT, texture);
+        preserveObjectWrapper(scriptState, framebufferBinding, V8HiddenValue::webglAttachments(scriptState->isolate()), framebufferBinding->getPersistentCache(), GL_STENCIL_ATTACHMENT, texture);
     } else {
         framebufferBinding->setAttachmentForBoundFramebuffer(target, attachment, textarget, texture, level, layer);
-        preserveObjectWrapper(scriptState, framebufferBinding, "attachment", attachment, texture);
+        preserveObjectWrapper(scriptState, framebufferBinding, V8HiddenValue::webglAttachments(scriptState->isolate()), framebufferBinding->getPersistentCache(), attachment, texture);
     }
     applyStencilTest();
 }
 
 ScriptValue WebGL2RenderingContextBase::getInternalformatParameter(ScriptState* scriptState, GLenum target, GLenum internalformat, GLenum pname)
 {
     if (isContextLost())
         return ScriptValue::createNull(scriptState);
 
     if (target != GL_RENDERBUFFER) {
@@ skipping 2371 matching lines @@
     case GL_FRAMEBUFFER:
     case GL_READ_FRAMEBUFFER:
         m_readFramebufferBinding = buffer;
         break;
     default:
         synthesizeGLError(GL_INVALID_ENUM, "bindFramebuffer", "invalid target");
         return;
     }
 
     setFramebuffer(target, buffer);
-    if (scriptState)
-        preserveObjectWrapper(scriptState, this, "framebuffer", 0, buffer);
+    if (scriptState) {
+        preserveObjectWrapper(scriptState, this, V8HiddenValue::webglMisc(scriptState->isolate()), &m_miscWrappers, static_cast<uint32_t>(PreservedFramebuffer), buffer);
+    }
 }
 
 void WebGL2RenderingContextBase::deleteFramebuffer(WebGLFramebuffer* framebuffer)
 {
     if (!deleteObject(framebuffer))
         return;
     GLenum target = 0;
     if (framebuffer == m_framebufferBinding) {
         if (framebuffer == m_readFramebufferBinding) {
             target = GL_FRAMEBUFFER;
@@ skipping 850 matching lines @@
     params.skipPixels = m_unpackSkipPixels;
     params.skipRows = m_unpackSkipRows;
     if (dimension == Tex3D) {
         params.imageHeight = m_unpackImageHeight;
         params.skipImages = m_unpackSkipImages;
     }
     return params;
 }
 
 } // namespace blink