1 files changed, 7 insertions, 2 deletions
diff --git a/WebKit/gtk/WebCoreSupport/FrameLoaderClientGtk.cpp b/WebKit/gtk/WebCoreSupport/FrameLoaderClientGtk.cpp
index 17a3cd5..340b789 100644
--- a/WebKit/gtk/WebCoreSupport/FrameLoaderClientGtk.cpp
+++ b/WebKit/gtk/WebCoreSupport/FrameLoaderClientGtk.cpp
@@ -1164,8 +1164,13 @@ void FrameLoaderClient::transitionToCommittedFromCachedFrame(CachedFrame* cached
 void FrameLoaderClient::transitionToCommittedForNewPage()
 {
     WebKitWebView* containingWindow = getViewFromFrame(m_frame);
-    IntSize size = IntSize(GTK_WIDGET(containingWindow)->allocation.width,
-                           GTK_WIDGET(containingWindow)->allocation.height);
+    GtkAllocation allocation;
+#if GTK_CHECK_VERSION(2, 18, 0)
+    gtk_widget_get_allocation(GTK_WIDGET(containingWindow), &allocation);
+#else
+    allocation = GTK_WIDGET(containingWindow)->allocation;
+#endif
+    IntSize size = IntSize(allocation.width, allocation.height);
     bool transparent = webkit_web_view_get_transparent(containingWindow);
     Color backgroundColor = transparent ? WebCore::Color::transparent : WebCore::Color::white;
     Frame* frame = core(m_frame);