Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/core/html/canvas/WebGLLoseContext.h

Index: Source/core/html/canvas/WebGLLoseContext.h
diff --git a/Source/core/html/canvas/WebGLLoseContext.h b/Source/core/html/canvas/WebGLLoseContext.h
index aa0c5933f86f41971b9f5345afa955bb535a475c..30b8015797093e8c8a9c9a3ec1ee6b02efa78e71 100644
--- a/Source/core/html/canvas/WebGLLoseContext.h
+++ b/Source/core/html/canvas/WebGLLoseContext.h
@@ -32,23 +32,23 @@
 
 namespace WebCore {
 
-class WebGLRenderingContext;
+class WebGLRenderingContextBase;
 
 class WebGLLoseContext : public WebGLExtension, public ScriptWrappable {
 public:
-    static PassRefPtr<WebGLLoseContext> create(WebGLRenderingContext*);
-    static bool supported(WebGLRenderingContext*);
+    static PassRefPtr<WebGLLoseContext> create(WebGLRenderingContextBase*);
+    static bool supported(WebGLRenderingContextBase*);
     static const char* getExtensionName();
 
     virtual ~WebGLLoseContext();
-    virtual ExtensionName getName() const;
+    virtual WebGLExtensionName getName() const;
     virtual void lose(bool);
 
     void loseContext();
     void restoreContext();
 
 private:
-    WebGLLoseContext(WebGLRenderingContext*);
+    WebGLLoseContext(WebGLRenderingContextBase*);
 };
 
 } // namespace WebCore