Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/core/html/canvas/WebGLDebugShaders.h

Index: Source/core/html/canvas/WebGLDebugShaders.h
diff --git a/Source/core/html/canvas/WebGLDebugShaders.h b/Source/core/html/canvas/WebGLDebugShaders.h
index b425c6c6a1eff397e210cb2b86b68c71d34cfb9a..06b2b16f63ff8c832f9322f3958983433fcd859e 100644
--- a/Source/core/html/canvas/WebGLDebugShaders.h
+++ b/Source/core/html/canvas/WebGLDebugShaders.h
@@ -36,17 +36,17 @@ class WebGLShader;
 
 class WebGLDebugShaders : public WebGLExtension, public ScriptWrappable {
 public:
-    static PassRefPtr<WebGLDebugShaders> create(WebGLRenderingContext*);
-    static bool supported(WebGLRenderingContext*);
+    static PassRefPtr<WebGLDebugShaders> create(WebGLRenderingContextBase*);
+    static bool supported(WebGLRenderingContextBase*);
     static const char* getExtensionName();
 
     virtual ~WebGLDebugShaders();
-    virtual ExtensionName getName() const;
+    virtual WebGLExtensionName getName() const;
 
     String getTranslatedShaderSource(WebGLShader*);
 
 private:
-    WebGLDebugShaders(WebGLRenderingContext*);
+    WebGLDebugShaders(WebGLRenderingContextBase*);
 };
 
 } // namespace WebCore