Implement WEBGL_shared_resources

Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp

Index: Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
diff --git a/Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp b/Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
index 9bdc5e07ac52d47f35ba3229741f16e23143b467..4bb49e30a9da7bdb32cc52e3901b90afe97da8b9 100644
--- a/Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
+++ b/Source/bindings/v8/custom/V8WebGLRenderingContextCustom.cpp
@@ -67,6 +67,7 @@
 #include "V8WebGLProgram.h"
 #include "V8WebGLRenderbuffer.h"
 #include "V8WebGLShader.h"
+#include "V8WebGLSharedResources.h"
 #include "V8WebGLTexture.h"
 #include "V8WebGLUniformLocation.h"
 #include "V8WebGLVertexArrayObjectOES.h"
@@ -249,6 +250,9 @@ static v8::Handle<v8::Value> toV8Object(WebGLExtension* extension, v8::Handle<v8
     case WebGLExtension::WebGLLoseContextName:
         extensionObject = toV8(static_cast<WebGLLoseContext*>(extension), contextObject, isolate);
         referenceName = "webGLLoseContextName";
+    case WebGLExtension::WebGLSharedResourcesName:
+        extensionObject = toV8(static_cast<WebGLSharedResources*>(extension), contextObject, isolate);
+        referenceName = "webGLSharedResourcesName";
         break;
     }
     ASSERT(!extensionObject.IsEmpty());