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 26310505c58aa19c77c0919f8b7b9bad3b136789..f1ae4f04b00fc1a6e3aa912a9019758cd75ad126 100644
--- a/Source/core/html/canvas/WebGLDebugShaders.h
+++ b/Source/core/html/canvas/WebGLDebugShaders.h
@@ -36,17 +36,17 @@ class WebGLShader;
 
 class WebGLDebugShaders FINAL : 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* extensionName();
 
     virtual ~WebGLDebugShaders();
-    virtual ExtensionName name() const OVERRIDE;
+    virtual WebGLExtensionName name() const OVERRIDE;
 
     String getTranslatedShaderSource(WebGLShader*);
 
 private:
-    WebGLDebugShaders(WebGLRenderingContext*);
+    WebGLDebugShaders(WebGLRenderingContextBase*);
 };
 
 } // namespace WebCore