Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/core/html/canvas/OESVertexArrayObject.cpp

Index: Source/core/html/canvas/OESVertexArrayObject.cpp
diff --git a/Source/core/html/canvas/OESVertexArrayObject.cpp b/Source/core/html/canvas/OESVertexArrayObject.cpp
index 5e592238f723d3173331b15411213b08d3b536af..fdbd481ffb3ee8c227c29001943f26e92be842e8 100644
--- a/Source/core/html/canvas/OESVertexArrayObject.cpp
+++ b/Source/core/html/canvas/OESVertexArrayObject.cpp
@@ -28,13 +28,13 @@
 #include "core/html/canvas/OESVertexArrayObject.h"
 
 #include "bindings/v8/ExceptionState.h"
-#include "core/html/canvas/WebGLRenderingContext.h"
+#include "core/html/canvas/WebGLRenderingContextBase.h"
 #include "core/html/canvas/WebGLVertexArrayObjectOES.h"
 #include "core/platform/graphics/Extensions3D.h"
 
 namespace WebCore {
 
-OESVertexArrayObject::OESVertexArrayObject(WebGLRenderingContext* context)
+OESVertexArrayObject::OESVertexArrayObject(WebGLRenderingContextBase* context)
     : WebGLExtension(context)
 {
     ScriptWrappable::init(this);
@@ -50,7 +50,7 @@ WebGLExtension::ExtensionName OESVertexArrayObject::getName() const
     return OESVertexArrayObjectName;
 }
 
-PassRefPtr<OESVertexArrayObject> OESVertexArrayObject::create(WebGLRenderingContext* context)
+PassRefPtr<OESVertexArrayObject> OESVertexArrayObject::create(WebGLRenderingContextBase* context)
 {
     return adoptRef(new OESVertexArrayObject(context));
 }
@@ -110,7 +110,7 @@ void OESVertexArrayObject::bindVertexArrayOES(WebGLVertexArrayObjectOES* arrayOb
     }
 }
 
-bool OESVertexArrayObject::supported(WebGLRenderingContext* context)
+bool OESVertexArrayObject::supported(WebGLRenderingContextBase* context)
 {
     Extensions3D* extensions = context->graphicsContext3D()->getExtensions();
     return extensions->supports("GL_OES_vertex_array_object");