Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/core/html/canvas/WebGLContextGroup.cpp

 /*
  * Copyright (C) 2011 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 31 matching lines @@
 }
 
 WebGLContextGroup::~WebGLContextGroup()
 {
     detachAndRemoveAllObjects();
 }
 
 blink::WebGraphicsContext3D* WebGLContextGroup::getAWebGraphicsContext3D()
 {
     ASSERT(!m_contexts.isEmpty());
-    HashSet<WebGLRenderingContext*>::iterator it = m_contexts.begin();
+    HashSet<WebGLRenderingContextBase*>::iterator it = m_contexts.begin();
     return (*it)->webGraphicsContext3D();
 }
 
-void WebGLContextGroup::addContext(WebGLRenderingContext* context)
+void WebGLContextGroup::addContext(WebGLRenderingContextBase* context)
 {
     m_contexts.add(context);
 }
 
-void WebGLContextGroup::removeContext(WebGLRenderingContext* context)
+void WebGLContextGroup::removeContext(WebGLRenderingContextBase* context)
 {
     // We must call detachAndRemoveAllObjects before removing the last context.
     if (m_contexts.size() == 1 && m_contexts.contains(context))
         detachAndRemoveAllObjects();
 
     m_contexts.remove(context);
 }
 
 void WebGLContextGroup::removeObject(WebGLSharedObject* object)
 {
     m_groupObjects.remove(object);
 }
 
 void WebGLContextGroup::addObject(WebGLSharedObject* object)
 {
     m_groupObjects.add(object);
 }
 
 void WebGLContextGroup::detachAndRemoveAllObjects()
 {
     while (!m_groupObjects.isEmpty()) {
         HashSet<WebGLSharedObject*>::iterator it = m_groupObjects.begin();
         (*it)->detachContextGroup();
     }
 }
 
-void WebGLContextGroup::loseContextGroup(WebGLRenderingContext::LostContextMode mode)
+void WebGLContextGroup::loseContextGroup(WebGLRenderingContextBase::LostContextMode mode)
 {
     // Detach must happen before loseContextImpl, which destroys the GraphicsContext3D
     // and prevents groupObjects from being properly deleted.
     detachAndRemoveAllObjects();
 
-    for (HashSet<WebGLRenderingContext*>::iterator it = m_contexts.begin(); it != m_contexts.end(); ++it)
+    for (HashSet<WebGLRenderingContextBase*>::iterator it = m_contexts.begin(); it != m_contexts.end(); ++it)
         (*it)->loseContextImpl(mode);
 }
 
 } // namespace WebCore