Fix content scripts that use WebGL.

third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.h

Index: third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.h
diff --git a/third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.h b/third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.h
index bcf2d1b2ce804ec894bf4b07cdb4252f1025cfad..7a1d1ac7f9255701e718854e904680eeb6cb82d6 100644
--- a/third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.h
+++ b/third_party/WebKit/Source/modules/webgl/WebGLVertexArrayObjectBase.h
@@ -5,7 +5,6 @@
 #ifndef WebGLVertexArrayObjectBase_h
 #define WebGLVertexArrayObjectBase_h
 
-#include "bindings/core/v8/ScopedPersistent.h"
 #include "modules/webgl/WebGLBuffer.h"
 #include "modules/webgl/WebGLContextObject.h"
 #include "platform/heap/Handle.h"
@@ -35,8 +34,6 @@ public:
     void setArrayBufferForAttrib(GLuint, WebGLBuffer*);
     void unbindBuffer(WebGLBuffer*);
 
-    ScopedPersistent<v8::Array>* getPersistentCache();
-
     DECLARE_VIRTUAL_TRACE();
 
 protected:
@@ -54,10 +51,6 @@ private:
     bool m_destructionInProgress;
     Member<WebGLBuffer> m_boundElementArrayBuffer;
     HeapVector<Member<WebGLBuffer>> m_arrayBufferList;
-
-    // For preserving the wrappers of WebGLBuffer objects latched in
-    // via vertexAttribPointer calls.
-    ScopedPersistent<v8::Array> m_arrayBufferWrappers;
 };
 
 } // namespace blink