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..520fdeb61a9f909bb0b53449bc3ef6dfdaf65f38 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"
@@ -250,6 +251,10 @@ static v8::Handle<v8::Value> toV8Object(WebGLExtension* extension, v8::Handle<v8
         extensionObject = toV8(static_cast<WebGLLoseContext*>(extension), contextObject, isolate);
         referenceName = "webGLLoseContextName";
         break;
+    case WebGLExtension::WebGLSharedResourcesName:
+        extensionObject = toV8(static_cast<WebGLSharedResources*>(extension), contextObject, isolate);
+        referenceName = "webGLSharedResourcesName";
+        break;
     }
     ASSERT(!extensionObject.IsEmpty());
     V8HiddenPropertyName::setNamedHiddenReference(contextObject, referenceName, extensionObject);