Make WebGLRenderingContext.getAttachedShaders() return type nullable

Source/bindings/core/v8/custom/V8WebGLRenderingContextCustom.cpp

 /*
  * Copyright (C) 2009 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 307 matching lines @@
         break;
     }
     v8SetReturnValue(info, toV8Object(args, info.Holder(), info.GetIsolate()));
 }
 
 static WebGLUniformLocation* toWebGLUniformLocation(v8::Handle<v8::Value> value, v8::Isolate* isolate)
 {
     return V8WebGLUniformLocation::toNativeWithTypeCheck(isolate, value);
 }
 
-enum WhichProgramCall {
-    kProgramParameter, kUniform
-};
-
-void V8WebGLRenderingContext::getAttachedShadersMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "getAttachedShaders", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
-    if (info.Length() < 1) {
-        exceptionState.throwTypeError(ExceptionMessages::notEnoughArguments(1, info.Length()));
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    const int programArgumentIndex = 0;
-    WebGLRenderingContext* context = V8WebGLRenderingContext::toNative(info.Holder());
-    if (info.Length() > 0 && !isUndefinedOrNull(info[programArgumentIndex]) && !V8WebGLProgram::hasInstance(info[programArgumentIndex], info.GetIsolate())) {
-        exceptionState.throwTypeError(ExceptionMessages::argumentNullOrIncorrectType(programArgumentIndex + 1, "WebGLProgram"));
-        exceptionState.throwIfNeeded();
-        return;
-    }
-    WebGLProgram* program = V8WebGLProgram::toNativeWithTypeCheck(info.GetIsolate(), info[programArgumentIndex]);
-    Vector<RefPtr<WebGLShader> > shaders;
-    bool succeed = context->getAttachedShaders(program, shaders);
-    if (!succeed) {
-        v8SetReturnValueNull(info);
-        return;
-    }
-    v8::Local<v8::Array> array = v8::Array::New(info.GetIsolate(), shaders.size());
-    for (size_t ii = 0; ii < shaders.size(); ++ii)
-        array->Set(v8::Integer::New(info.GetIsolate(), ii), toV8(shaders[ii].get(), info.Holder(), info.GetIsolate()));
-    v8SetReturnValue(info, array);
-}
-
 void V8WebGLRenderingContext::getBufferParameterMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "getBufferParameter", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
     getObjectParameter(info, kBuffer, exceptionState);
 }
 
 void V8WebGLRenderingContext::getExtensionMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "getExtension", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
     WebGLRenderingContext* impl = V8WebGLRenderingContext::toNative(info.Holder());
@@ skipping 471 matching lines @@
     vertexAttribAndUniformHelperf(info, kVertexAttrib3v, exceptionState);
 }
 
 void V8WebGLRenderingContext::vertexAttrib4fvMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     ExceptionState exceptionState(ExceptionState::ExecutionContext, "vertexAttrib4fv", "WebGLRenderingContext", info.Holder(), info.GetIsolate());
     vertexAttribAndUniformHelperf(info, kVertexAttrib4v, exceptionState);
 }
 
 } // namespace WebCore