Remove no-op did(De)activateCompositor calls

Source/web/WebPopupMenuImpl.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 87 matching lines @@
 
     if (!m_client)
         return;
     m_client->setWindowRect(bounds);
     m_client->show(WebNavigationPolicy()); // Policy is ignored.
 
     m_client->initializeLayerTreeView();
     m_layerTreeView = m_client->layerTreeView();
     if (m_layerTreeView) {
         m_layerTreeView->setVisible(true);
-        m_client->didActivateCompositor();
         m_layerTreeView->setDeviceScaleFactor(m_client->deviceScaleFactor());
         m_rootLayer = adoptPtr(Platform::current()->compositorSupport()->createContentLayer(this));
         m_rootLayer->layer()->setBounds(m_size);
         m_layerTreeView->setRootLayer(*m_rootLayer->layer());
-    } else {
-        m_client->didDeactivateCompositor();
     }
 }
 
 void WebPopupMenuImpl::handleMouseMove(const WebMouseEvent& event)
 {
     // Don't send mouse move messages if the mouse hasn't moved.
     if (event.x != m_lastMousePosition.x || event.y != m_lastMousePosition.y) {
         m_lastMousePosition = WebPoint(event.x, event.y);
         m_widget->handleMouseMoveEvent(PlatformMouseEventBuilder(m_widget, event));
 
@@ skipping 296 matching lines @@
     ASSERT(widget == m_widget);
     if (m_widget) {
         m_widget->setClient(0);
         m_widget = 0;
     }
     if (m_client)
         m_client->closeWidgetSoon();
 }
 
 } // namespace blink