--- a/dom/plugins/base/nsPluginInstanceOwner.cpp
+++ b/dom/plugins/base/nsPluginInstanceOwner.cpp
@@ -179,17 +179,17 @@ nsPluginInstanceOwner::GetImageContainer
   mInstance->NotifySize(nsIntSize(screenSize.width, screenSize.height));
   
   container = LayerManager::CreateImageContainer();
 
   ImageFormat format = ImageFormat::SHARED_TEXTURE;
   nsRefPtr<Image> img = container->CreateImage(&format, 1);
 
   SharedTextureImage::Data data;
-  data.mSize = gfx::IntSize(r.width, r.height);
+  data.mSize = gfxIntSize(r.width, r.height);
   data.mHandle = mInstance->CreateSharedHandle();
   data.mShareType = mozilla::gl::SameProcess;
   data.mInverted = mInstance->Inverted();
 
   SharedTextureImage* pluginImage = static_cast<SharedTextureImage*>(img.get());
   pluginImage->SetData(data);
 
   container->SetCurrentImageInTransaction(img);