Split bindings/v8/custom into core and modules.

Source/bindings/v8/custom/V8WindowCustom.cpp

Index: Source/bindings/v8/custom/V8WindowCustom.cpp
diff --git a/Source/bindings/v8/custom/V8WindowCustom.cpp b/Source/bindings/v8/custom/V8WindowCustom.cpp
deleted file mode 100644
index 7ab9e529d009328aaf2d26b52014f50f1177ca19..0000000000000000000000000000000000000000
--- a/Source/bindings/v8/custom/V8WindowCustom.cpp
+++ /dev/null
@@ -1,541 +0,0 @@
-/*
- * Copyright (C) 2009, 2011 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
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- *     * Neither the name of Google Inc. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "bindings/core/v8/V8Window.h"
-
-#include "bindings/core/v8/V8HTMLCollection.h"
-#include "bindings/core/v8/V8Node.h"
-#include "bindings/v8/BindingSecurity.h"
-#include "bindings/v8/ExceptionMessages.h"
-#include "bindings/v8/ExceptionState.h"
-#include "bindings/v8/ScheduledAction.h"
-#include "bindings/v8/ScriptController.h"
-#include "bindings/v8/ScriptSourceCode.h"
-#include "bindings/v8/SerializedScriptValue.h"
-#include "bindings/v8/V8Binding.h"
-#include "bindings/v8/V8EventListener.h"
-#include "bindings/v8/V8EventListenerList.h"
-#include "bindings/v8/V8GCForContextDispose.h"
-#include "bindings/v8/V8HiddenValue.h"
-#include "core/dom/ExceptionCode.h"
-#include "core/dom/MessagePort.h"
-#include "core/html/HTMLCollection.h"
-#include "core/html/HTMLDocument.h"
-#include "core/inspector/ScriptCallStack.h"
-#include "core/loader/FrameLoadRequest.h"
-#include "core/loader/FrameLoader.h"
-#include "core/frame/DOMTimer.h"
-#include "core/frame/LocalDOMWindow.h"
-#include "core/frame/DOMWindowTimers.h"
-#include "core/frame/FrameView.h"
-#include "core/frame/LocalFrame.h"
-#include "core/frame/Settings.h"
-#include "core/frame/csp/ContentSecurityPolicy.h"
-#include "core/storage/Storage.h"
-#include "platform/PlatformScreen.h"
-#include "platform/graphics/media/MediaPlayer.h"
-#include "wtf/ArrayBuffer.h"
-#include "wtf/Assertions.h"
-#include "wtf/OwnPtr.h"
-
-namespace WebCore {
-
-// FIXME: There is a lot of duplication with SetTimeoutOrInterval() in V8WorkerGlobalScopeCustom.cpp.
-// We should refactor this.
-static void windowSetTimeoutImpl(const v8::FunctionCallbackInfo<v8::Value>& info, bool singleShot, ExceptionState& exceptionState)
-{
-    int argumentCount = info.Length();
-
-    if (argumentCount < 1)
-        return;
-
-    LocalDOMWindow* impl = V8Window::toNative(info.Holder());
-    if (!impl->frame() || !impl->document()) {
-        exceptionState.throwDOMException(InvalidAccessError, "No script context is available in which to execute the script.");
-        return;
-    }
-    ScriptState* scriptState = ScriptState::current(info.GetIsolate());
-    v8::Handle<v8::Value> function = info[0];
-    String functionString;
-    if (!function->IsFunction()) {
-        if (function->IsString()) {
-            functionString = toCoreString(function.As<v8::String>());
-        } else {
-            v8::Handle<v8::String> v8String = function->ToString();
-
-            // Bail out if string conversion failed.
-            if (v8String.IsEmpty())
-                return;
-
-            functionString = toCoreString(v8String);
-        }
-
-        // Don't allow setting timeouts to run empty functions!
-        // (Bug 1009597)
-        if (!functionString.length())
-            return;
-    }
-
-    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState))
-        return;
-
-    OwnPtr<ScheduledAction> action;
-    if (function->IsFunction()) {
-        int paramCount = argumentCount >= 2 ? argumentCount - 2 : 0;
-        OwnPtr<v8::Local<v8::Value>[]> params;
-        if (paramCount > 0) {
-            params = adoptArrayPtr(new v8::Local<v8::Value>[paramCount]);
-            for (int i = 0; i < paramCount; i++) {
-                // parameters must be globalized
-                params[i] = info[i+2];
-            }
-        }
-
-        // params is passed to action, and released in action's destructor
-        ASSERT(impl->frame());
-        action = adoptPtr(new ScheduledAction(scriptState, v8::Handle<v8::Function>::Cast(function), paramCount, params.get(), info.GetIsolate()));
-    } else {
-        if (impl->document() && !impl->document()->contentSecurityPolicy()->allowEval()) {
-            v8SetReturnValue(info, 0);
-            return;
-        }
-        ASSERT(impl->frame());
-        action = adoptPtr(new ScheduledAction(scriptState, functionString, KURL(), info.GetIsolate()));
-    }
-
-    int32_t timeout = argumentCount >= 2 ? info[1]->Int32Value() : 0;
-    int timerId;
-    if (singleShot)
-        timerId = DOMWindowTimers::setTimeout(*impl, action.release(), timeout);
-    else
-        timerId = DOMWindowTimers::setInterval(*impl, action.release(), timeout);
-
-    // Try to do the idle notification before the timeout expires to get better
-    // use of any idle time. Aim for the middle of the interval for simplicity.
-    if (timeout >= 0) {
-        double maximumFireInterval = static_cast<double>(timeout) / 1000 / 2;
-        V8GCForContextDispose::instanceTemplate().notifyIdleSooner(maximumFireInterval);
-    }
-
-    v8SetReturnValue(info, timerId);
-}
-
-void V8Window::eventAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    LocalFrame* frame = V8Window::toNative(info.Holder())->frame();
-    ExceptionState exceptionState(ExceptionState::GetterContext, "event", "Window", info.Holder(), info.GetIsolate());
-    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), frame, exceptionState)) {
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    v8::Handle<v8::Value> jsEvent = V8HiddenValue::getHiddenValue(info.GetIsolate(), info.Holder()->CreationContext()->Global(), V8HiddenValue::event(info.GetIsolate()));
-    if (jsEvent.IsEmpty())
-        return;
-    v8SetReturnValue(info, jsEvent);
-}
-
-void V8Window::eventAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
-{
-    LocalFrame* frame = V8Window::toNative(info.Holder())->frame();
-    ExceptionState exceptionState(ExceptionState::SetterContext, "event", "Window", info.Holder(), info.GetIsolate());
-    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), frame, exceptionState)) {
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    V8HiddenValue::setHiddenValue(info.GetIsolate(), info.Holder()->CreationContext()->Global(), V8HiddenValue::event(info.GetIsolate()), value);
-}
-
-void V8Window::frameElementAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-    LocalDOMWindow* impl = V8Window::toNative(info.Holder());
-    ExceptionState exceptionState(ExceptionState::GetterContext, "frame", "Window", info.Holder(), info.GetIsolate());
-    if (!BindingSecurity::shouldAllowAccessToNode(info.GetIsolate(), impl->frameElement(), exceptionState)) {
-        v8SetReturnValueNull(info);
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    // The wrapper for an <iframe> should get its prototype from the context of the frame it's in, rather than its own frame.
-    // So, use its containing document as the creation context when wrapping.
-    v8::Handle<v8::Value> creationContext = toV8(&impl->frameElement()->document(), info.Holder(), info.GetIsolate());
-    RELEASE_ASSERT(!creationContext.IsEmpty());
-    v8::Handle<v8::Value> wrapper = toV8(impl->frameElement(), v8::Handle<v8::Object>::Cast(creationContext), info.GetIsolate());
-    v8SetReturnValue(info, wrapper);
-}
-
-void V8Window::openerAttributeSetterCustom(v8::Local<v8::Value> value, const v8::PropertyCallbackInfo<void>& info)
-{
-    LocalDOMWindow* impl = V8Window::toNative(info.Holder());
-    ExceptionState exceptionState(ExceptionState::SetterContext, "opener", "Window", info.Holder(), info.GetIsolate());
-    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) {
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    // Opener can be shadowed if it is in the same domain.
-    // Have a special handling of null value to behave
-    // like Firefox. See bug http://b/1224887 & http://b/791706.
-    if (value->IsNull()) {
-        // impl->frame() cannot be null,
-        // otherwise, SameOrigin check would have failed.
-        ASSERT(impl->frame());
-        impl->frame()->loader().setOpener(0);
-    }
-
-    // Delete the accessor from this object.
-    info.Holder()->Delete(v8AtomicString(info.GetIsolate(), "opener"));
-
-    // Put property on the front (this) object.
-    if (info.This()->IsObject())
-        v8::Handle<v8::Object>::Cast(info.This())->Set(v8AtomicString(info.GetIsolate(), "opener"), value);
-}
-
-static bool isLegacyTargetOriginDesignation(v8::Handle<v8::Value> value)
-{
-    if (value->IsString() || value->IsStringObject())
-        return true;
-    return false;
-}
-
-
-void V8Window::postMessageMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    // None of these need to be RefPtr because info and context are guaranteed
-    // to hold on to them.
-    LocalDOMWindow* window = V8Window::toNative(info.Holder());
-    LocalDOMWindow* source = callingDOMWindow(info.GetIsolate());
-
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "postMessage", "Window", info.Holder(), info.GetIsolate());
-
-    // If called directly by WebCore we don't have a calling context.
-    if (!source) {
-        exceptionState.throwTypeError("No active calling context exists.");
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    // This function has variable arguments and can be:
-    // Per current spec:
-    //   postMessage(message, targetOrigin)
-    //   postMessage(message, targetOrigin, {sequence of transferrables})
-    // Legacy non-standard implementations in webkit allowed:
-    //   postMessage(message, {sequence of transferrables}, targetOrigin);
-    MessagePortArray portArray;
-    ArrayBufferArray arrayBufferArray;
-    int targetOriginArgIndex = 1;
-    if (info.Length() > 2) {
-        int transferablesArgIndex = 2;
-        if (isLegacyTargetOriginDesignation(info[2])) {
-            targetOriginArgIndex = 2;
-            transferablesArgIndex = 1;
-        }
-        if (!SerializedScriptValue::extractTransferables(info[transferablesArgIndex], transferablesArgIndex, portArray, arrayBufferArray, exceptionState, info.GetIsolate())) {
-            exceptionState.throwIfNeeded();
-            return;
-        }
-    }
-    TOSTRING_VOID(V8StringResource<WithUndefinedOrNullCheck>, targetOrigin, info[targetOriginArgIndex]);
-
-    RefPtr<SerializedScriptValue> message = SerializedScriptValue::create(info[0], &portArray, &arrayBufferArray, exceptionState, info.GetIsolate());
-    if (exceptionState.throwIfNeeded())
-        return;
-
-    window->postMessage(message.release(), &portArray, targetOrigin, source, exceptionState);
-    exceptionState.throwIfNeeded();
-}
-
-// FIXME(fqian): returning string is cheating, and we should
-// fix this by calling toString function on the receiver.
-// However, V8 implements toString in JavaScript, which requires
-// switching context of receiver. I consider it is dangerous.
-void V8Window::toStringMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    v8::Handle<v8::Object> domWrapper = V8Window::findInstanceInPrototypeChain(info.This(), info.GetIsolate());
-    if (domWrapper.IsEmpty()) {
-        v8SetReturnValue(info, info.This()->ObjectProtoToString());
-        return;
-    }
-    v8SetReturnValue(info, domWrapper->ObjectProtoToString());
-}
-
-class DialogHandler {
-public:
-    explicit DialogHandler(v8::Handle<v8::Value> dialogArguments, ScriptState* scriptState)
-        : m_scriptState(scriptState)
-        , m_dialogArguments(dialogArguments)
-    {
-    }
-
-    void dialogCreated(LocalDOMWindow*);
-    v8::Handle<v8::Value> returnValue() const;
-
-private:
-    RefPtr<ScriptState> m_scriptState;
-    RefPtr<ScriptState> m_scriptStateForDialogFrame;
-    v8::Handle<v8::Value> m_dialogArguments;
-};
-
-void DialogHandler::dialogCreated(LocalDOMWindow* dialogFrame)
-{
-    if (m_dialogArguments.IsEmpty())
-        return;
-    v8::Handle<v8::Context> context = toV8Context(dialogFrame->frame(), m_scriptState->world());
-    if (context.IsEmpty())
-        return;
-    m_scriptStateForDialogFrame = ScriptState::from(context);
-
-    ScriptState::Scope scope(m_scriptStateForDialogFrame.get());
-    m_scriptStateForDialogFrame->context()->Global()->Set(v8AtomicString(m_scriptState->isolate(), "dialogArguments"), m_dialogArguments);
-}
-
-v8::Handle<v8::Value> DialogHandler::returnValue() const
-{
-    if (!m_scriptStateForDialogFrame)
-        return v8Undefined();
-    ASSERT(!m_scriptStateForDialogFrame->contextIsEmpty());
-
-    v8::Isolate* isolate = m_scriptStateForDialogFrame->isolate();
-    v8::EscapableHandleScope handleScope(isolate);
-    ScriptState::Scope scope(m_scriptStateForDialogFrame.get());
-    v8::Local<v8::Value> returnValue = m_scriptStateForDialogFrame->context()->Global()->Get(v8AtomicString(isolate, "returnValue"));
-    if (returnValue.IsEmpty())
-        return v8Undefined();
-    return handleScope.Escape(returnValue);
-}
-
-static void setUpDialog(LocalDOMWindow* dialog, void* handler)
-{
-    static_cast<DialogHandler*>(handler)->dialogCreated(dialog);
-}
-
-void V8Window::showModalDialogMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    LocalDOMWindow* impl = V8Window::toNative(info.Holder());
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "showModalDialog", "Window", info.Holder(), info.GetIsolate());
-    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) {
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    TOSTRING_VOID(V8StringResource<WithUndefinedOrNullCheck>, urlString, info[0]);
-    DialogHandler handler(info[1], ScriptState::current(info.GetIsolate()));
-    TOSTRING_VOID(V8StringResource<WithUndefinedOrNullCheck>, dialogFeaturesString, info[2]);
-
-    impl->showModalDialog(urlString, dialogFeaturesString, callingDOMWindow(info.GetIsolate()), enteredDOMWindow(info.GetIsolate()), setUpDialog, &handler);
-
-    v8SetReturnValue(info, handler.returnValue());
-}
-
-void V8Window::openMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    LocalDOMWindow* impl = V8Window::toNative(info.Holder());
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "open", "Window", info.Holder(), info.GetIsolate());
-    if (!BindingSecurity::shouldAllowAccessToFrame(info.GetIsolate(), impl->frame(), exceptionState)) {
-        exceptionState.throwIfNeeded();
-        return;
-    }
-
-    TOSTRING_VOID(V8StringResource<WithUndefinedOrNullCheck>, urlString, info[0]);
-    AtomicString frameName;
-    if (info[1]->IsUndefined() || info[1]->IsNull()) {
-        frameName = "_blank";
-    } else {
-        TOSTRING_VOID(V8StringResource<>, frameNameResource, info[1]);
-        frameName = frameNameResource;
-    }
-    TOSTRING_VOID(V8StringResource<WithUndefinedOrNullCheck>, windowFeaturesString, info[2]);
-
-    RefPtrWillBeRawPtr<LocalDOMWindow> openedWindow = impl->open(urlString, frameName, windowFeaturesString, callingDOMWindow(info.GetIsolate()), enteredDOMWindow(info.GetIsolate()));
-    if (!openedWindow)
-        return;
-
-    v8SetReturnValueFast(info, openedWindow.release(), impl);
-}
-
-void V8Window::namedPropertyGetterCustom(v8::Local<v8::String> name, const v8::PropertyCallbackInfo<v8::Value>& info)
-{
-
-    LocalDOMWindow* window = V8Window::toNative(info.Holder());
-    if (!window)
-        return;
-
-    LocalFrame* frame = window->frame();
-    // window is detached from a frame.
-    if (!frame)
-        return;
-
-    // Search sub-frames.
-    AtomicString propName = toCoreAtomicString(name);
-    Frame* child = frame->tree().scopedChild(propName);
-    if (child) {
-        v8SetReturnValueFast(info, child->domWindow(), window);
-        return;
-    }
-
-    // Search IDL functions defined in the prototype
-    if (!info.Holder()->GetRealNamedProperty(name).IsEmpty())
-        return;
-
-    // Search named items in the document.
-    Document* doc = frame->document();
-
-    if (doc && doc->isHTMLDocument()) {
-        if (toHTMLDocument(doc)->hasNamedItem(propName) || doc->hasElementWithId(propName.impl())) {
-            RefPtrWillBeRawPtr<HTMLCollection> items = doc->windowNamedItems(propName);
-            if (!items->isEmpty()) {
-                if (items->hasExactlyOneItem()) {
-                    v8SetReturnValueFast(info, items->item(0), window);
-                    return;
-                }
-                v8SetReturnValueFast(info, items.release(), window);
-                return;
-            }
-        }
-    }
-}
-
-
-void V8Window::setTimeoutMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "setTimeout", "Window", info.Holder(), info.GetIsolate());
-    windowSetTimeoutImpl(info, true, exceptionState);
-    exceptionState.throwIfNeeded();
-}
-
-
-void V8Window::setIntervalMethodCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
-{
-    ExceptionState exceptionState(ExceptionState::ExecutionContext, "setInterval", "Window", info.Holder(), info.GetIsolate());
-    windowSetTimeoutImpl(info, false, exceptionState);
-    exceptionState.throwIfNeeded();
-}
-
-bool V8Window::namedSecurityCheckCustom(v8::Local<v8::Object> host, v8::Local<v8::Value> key, v8::AccessType type, v8::Local<v8::Value>)
-{
-    v8::Isolate* isolate = v8::Isolate::GetCurrent();
-    v8::Handle<v8::Object> window = V8Window::findInstanceInPrototypeChain(host, isolate);
-    if (window.IsEmpty())
-        return false; // the frame is gone.
-
-    LocalDOMWindow* targetWindow = V8Window::toNative(window);
-
-    ASSERT(targetWindow);
-
-    LocalFrame* target = targetWindow->frame();
-    if (!target)
-        return false;
-
-    // Notify the loader's client if the initial document has been accessed.
-    if (target->loader().stateMachine()->isDisplayingInitialEmptyDocument())
-        target->loader().didAccessInitialDocument();
-
-    if (key->IsString()) {
-        DEFINE_STATIC_LOCAL(const AtomicString, nameOfProtoProperty, ("__proto__", AtomicString::ConstructFromLiteral));
-
-        AtomicString name = toCoreAtomicString(key.As<v8::String>());
-        Frame* childFrame = target->tree().scopedChild(name);
-        // Notice that we can't call HasRealNamedProperty for ACCESS_HAS
-        // because that would generate infinite recursion.
-        if (type == v8::ACCESS_HAS && childFrame)
-            return true;
-        // We need to explicitly compare against nameOfProtoProperty because
-        // V8's JSObject::LocalLookup finds __proto__ before
-        // interceptors and even when __proto__ isn't a "real named property".
-        v8::Handle<v8::String> keyString = key.As<v8::String>();
-        if (type == v8::ACCESS_GET
-            && childFrame
-            && !host->HasRealNamedProperty(keyString)
-            && !window->HasRealNamedProperty(keyString)
-            && name != nameOfProtoProperty)
-            return true;
-    }
-
-    return BindingSecurity::shouldAllowAccessToFrame(isolate, target, DoNotReportSecurityError);
-}
-
-bool V8Window::indexedSecurityCheckCustom(v8::Local<v8::Object> host, uint32_t index, v8::AccessType type, v8::Local<v8::Value>)
-{
-    v8::Isolate* isolate = v8::Isolate::GetCurrent();
-    v8::Handle<v8::Object> window = V8Window::findInstanceInPrototypeChain(host, isolate);
-    if (window.IsEmpty())
-        return false;
-
-    LocalDOMWindow* targetWindow = V8Window::toNative(window);
-
-    ASSERT(targetWindow);
-
-    LocalFrame* target = targetWindow->frame();
-    if (!target)
-        return false;
-
-    // Notify the loader's client if the initial document has been accessed.
-    if (target->loader().stateMachine()->isDisplayingInitialEmptyDocument())
-        target->loader().didAccessInitialDocument();
-
-    Frame* childFrame = target->tree().scopedChild(index);
-
-    // Notice that we can't call HasRealNamedProperty for ACCESS_HAS
-    // because that would generate infinite recursion.
-    if (type == v8::ACCESS_HAS && childFrame)
-        return true;
-    if (type == v8::ACCESS_GET
-        && childFrame
-        && !host->HasRealIndexedProperty(index)
-        && !window->HasRealIndexedProperty(index))
-        return true;
-
-    return BindingSecurity::shouldAllowAccessToFrame(isolate, target, DoNotReportSecurityError);
-}
-
-v8::Handle<v8::Value> toV8(LocalDOMWindow* window, v8::Handle<v8::Object> creationContext, v8::Isolate* isolate)
-{
-    // Notice that we explicitly ignore creationContext because the LocalDOMWindow is its own creationContext.
-
-    if (!window)
-        return v8::Null(isolate);
-    // Initializes environment of a frame, and return the global object
-    // of the frame.
-    LocalFrame* frame = window->frame();
-    if (!frame)
-        return v8Undefined();
-
-    v8::Handle<v8::Context> context = toV8Context(frame, DOMWrapperWorld::current(isolate));
-    if (context.IsEmpty())
-        return v8Undefined();
-
-    v8::Handle<v8::Object> global = context->Global();
-    ASSERT(!global.IsEmpty());
-    return global;
-}
-
-} // namespace WebCore