Moved the majority of WebGL functionality into WebGLRenderingContextBase

Source/core/html/canvas/EXTTextureFilterAnisotropic.h

Index: Source/core/html/canvas/EXTTextureFilterAnisotropic.h
diff --git a/Source/core/html/canvas/EXTTextureFilterAnisotropic.h b/Source/core/html/canvas/EXTTextureFilterAnisotropic.h
index 6c445f9745edf05eafb2a75051f6ec9c3d7b9791..a7ad26327240c9bdfd469e96d083d32c34c9fa15 100644
--- a/Source/core/html/canvas/EXTTextureFilterAnisotropic.h
+++ b/Source/core/html/canvas/EXTTextureFilterAnisotropic.h
@@ -34,15 +34,15 @@ namespace WebCore {
 
 class EXTTextureFilterAnisotropic : public WebGLExtension, public ScriptWrappable {
 public:
-    static PassRefPtr<EXTTextureFilterAnisotropic> create(WebGLRenderingContext*);
-    static bool supported(WebGLRenderingContext*);
+    static PassRefPtr<EXTTextureFilterAnisotropic> create(WebGLRenderingContextBase*);
+    static bool supported(WebGLRenderingContextBase*);
     static const char* getExtensionName();
 
     virtual ~EXTTextureFilterAnisotropic();
     virtual ExtensionName getName() const;
 
 private:
-    EXTTextureFilterAnisotropic(WebGLRenderingContext*);
+    EXTTextureFilterAnisotropic(WebGLRenderingContextBase*);
 };
 
 } // namespace WebCore