Make WebGL2 objects Oilpan compatible.

Source/core/html/canvas/WebGL2RenderingContextBase.h

 // 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.
 
 #ifndef WebGL2RenderingContextBase_h
 #define WebGL2RenderingContextBase_h
 
 #include "core/html/canvas/WebGLExtension.h"
 #include "core/html/canvas/WebGLRenderingContextBase.h"
 #include "wtf/PassRefPtr.h"
@@ skipping 86 matching lines @@
     void drawBuffers(const Vector<GLenum>&);
     void clearBufferiv(GLenum, GLint, DOMInt32Array*);
     void clearBufferiv(GLenum, GLint, const Vector<GLint>&);
     void clearBufferuiv(GLenum, GLint, DOMUint32Array*);
     void clearBufferuiv(GLenum, GLint, const Vector<GLuint>&);
     void clearBufferfv(GLenum, GLint, DOMFloat32Array*);
     void clearBufferfv(GLenum, GLint, const Vector<GLfloat>&);
     void clearBufferfi(GLenum, GLint, GLfloat, GLint);
 
     /* Query Objects */
-    PassRefPtr<WebGLQuery> createQuery();
+    PassRefPtrWillBeRawPtr<WebGLQuery> createQuery();
     void deleteQuery(WebGLQuery*);
     GLboolean isQuery(WebGLQuery*);
     void beginQuery(GLenum, WebGLQuery*);
     void endQuery(GLenum);
-    PassRefPtr<WebGLQuery> getQuery(GLenum, GLenum);
+    PassRefPtrWillBeRawPtr<WebGLQuery> getQuery(GLenum, GLenum);
     ScriptValue getQueryParameter(ScriptState*, WebGLQuery*, GLenum);
 
     /* Sampler Objects */
-    PassRefPtr<WebGLSampler> createSampler();
+    PassRefPtrWillBeRawPtr<WebGLSampler> createSampler();
     void deleteSampler(WebGLSampler*);
     GLboolean isSampler(WebGLSampler*);
     void bindSampler(GLuint, WebGLSampler*);
     void samplerParameteri(WebGLSampler*, GLenum, GLint);
     void samplerParameterf(WebGLSampler*, GLenum, GLfloat);
     ScriptValue getSamplerParameter(ScriptState*, WebGLSampler*, GLenum);
 
     /* Sync objects */
-    PassRefPtr<WebGLSync> fenceSync(GLenum, GLbitfield);
+    PassRefPtrWillBeRawPtr<WebGLSync> fenceSync(GLenum, GLbitfield);
     GLboolean isSync(WebGLSync*);
     void deleteSync(WebGLSync*);
     GLenum clientWaitSync(WebGLSync*, GLbitfield, GLuint);
     void waitSync(WebGLSync*, GLbitfield, GLuint);
 
     ScriptValue getSyncParameter(ScriptState*, WebGLSync*, GLenum);
 
     /* Transform Feedback */
-    PassRefPtr<WebGLTransformFeedback> createTransformFeedback();
+    PassRefPtrWillBeRawPtr<WebGLTransformFeedback> createTransformFeedback();
     void deleteTransformFeedback(WebGLTransformFeedback*);
     GLboolean isTransformFeedback(WebGLTransformFeedback*);
     void bindTransformFeedback(GLenum, WebGLTransformFeedback*);
     void beginTransformFeedback(GLenum);
     void endTransformFeedback();
     void transformFeedbackVaryings(WebGLProgram*, const Vector<String>&, GLenum);
-    PassRefPtr<WebGLActiveInfo> getTransformFeedbackVarying(WebGLProgram*, GLuint);
+    PassRefPtrWillBeRawPtr<WebGLActiveInfo> getTransformFeedbackVarying(WebGLProgram*, GLuint);
     void pauseTransformFeedback();
     void resumeTransformFeedback();
 
     /* Uniform Buffer Objects and Transform Feedback Buffers */
     void bindBufferBase(GLenum, GLuint, WebGLBuffer*);
     void bindBufferRange(GLenum, GLuint, WebGLBuffer*, GLintptr, GLsizeiptr);
     ScriptValue getIndexedParameter(ScriptState*, GLenum, GLuint);
     Vector<GLuint> getUniformIndices(WebGLProgram*, const Vector<String>&);
     Vector<GLint> getActiveUniforms(WebGLProgram*, const Vector<GLuint>&, GLenum);
     GLuint getUniformBlockIndex(WebGLProgram*, const String&);
     ScriptValue getActiveUniformBlockParameter(ScriptState*, WebGLProgram*, GLuint, GLenum);
     String getActiveUniformBlockName(WebGLProgram*, GLuint);
     void uniformBlockBinding(WebGLProgram*, GLuint, GLuint);
 
     /* Vertex Array Objects */
-    PassRefPtr<WebGLVertexArrayObjectOES> createVertexArray();
+    PassRefPtrWillBeRawPtr<WebGLVertexArrayObjectOES> createVertexArray();
     void deleteVertexArray(WebGLVertexArrayObjectOES*);
     GLboolean isVertexArray(WebGLVertexArrayObjectOES*);
     void bindVertexArray(WebGLVertexArrayObjectOES*);
 
     void trace(Visitor*) override;
 
 protected:
     WebGL2RenderingContextBase(HTMLCanvasElement*, PassOwnPtr<blink::WebGraphicsContext3D>, const WebGLContextAttributes& requestedAttributes);
 
     bool validateClearBuffer(const char* functionName, GLenum buffer, GLsizei length);
 };
 
 DEFINE_TYPE_CASTS(WebGL2RenderingContextBase, CanvasRenderingContext, context,
     context->is3d() && WebGLRenderingContextBase::getWebGLVersion(context) >= 2,
     context.is3d() && WebGLRenderingContextBase::getWebGLVersion(&context) >= 2);
 
 } // namespace blink
 
 #endif