Psuedo revert "s/scheduleLayerUpdate/setNeedsCompositingUpdate in setWebLayer."

This method has been renamed already, so it's not a strict revert, but
it restores the original behavior.

BUG=none
TEST=browser_tests --gtest_filter=WebViewTest*Auto*
TBR=ojan@chromium.org

Review URL: https://codereview.chromium.org/316373005

git-svn-id: svn://svn.chromium.org/blink/trunk@175620 bbb929c8-8fbe-4397-9dbb-9b2b20218538

third_party/WebKit/Source/web/WebPluginContainerImpl.cpp

@@ -291,7 +291,7 @@ void WebPluginContainerImpl::setWebLayer(WebLayer* layer)
     // If anyone of the layers is null we need to switch between hardware
     // and software compositing.
     if (!m_webLayer || !layer)
-        m_element->setNeedsCompositingUpdate();
+        m_element->scheduleSVGFilterLayerUpdateHack();
     if (m_webLayer)
         GraphicsLayer::unregisterContentsLayer(m_webLayer);
     if (layer)