Removed privledged and debug webgl extension handling.

Source/core/html/canvas/WebGLRenderingContextBase.h

 /*
  * Copyright (C) 2009 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 520 matching lines @@
 
     GLuint m_onePlusMaxEnabledAttribIndex;
     unsigned long m_onePlusMaxNonDefaultTextureUnit;
 
     OwnPtr<Extensions3DUtil> m_extensionsUtil;
 
     enum ExtensionFlags {
         ApprovedExtension               = 0x00,
         // Extension that is behind the draft extensions runtime flag:
         DraftExtension                  = 0x01,
-        PrivilegedExtension             = 0x02,
         // Extension that is still in draft state, but has been selectively enabled by default under a prefix. Do not use
         // this for enabling new draft extensions; use the DraftExtension flag instead, and do not use vendor prefixes:
         EnabledDraftExtension           = 0x04,
-        WebGLDebugRendererInfoExtension = 0x08,
     };
 
     class ExtensionTracker {
     public:
         ExtensionTracker(ExtensionFlags flags, const char* const* prefixes)
-            : m_privileged(flags & PrivilegedExtension)
-            , m_draft(flags & DraftExtension)
-            , m_webglDebugRendererInfo(flags & WebGLDebugRendererInfoExtension)
+            : m_draft(flags & DraftExtension)
             , m_prefixes(prefixes)
         {
         }
 
         virtual ~ExtensionTracker()
         {
         }
 
-        bool privileged() const
-        {
-            return m_privileged;
-        }
-
         bool draft() const
         {
             return m_draft;
         }
 
-        bool webglDebugRendererInfo() const
-        {
-            return m_webglDebugRendererInfo;
-        }
-
         const char* const* prefixes() const;
         bool matchesNameWithPrefixes(const String&) const;
 
         virtual PassRefPtr<WebGLExtension> getExtension(WebGLRenderingContextBase*) = 0;
         virtual bool supported(WebGLRenderingContextBase*) const = 0;
         virtual const char* extensionName() const = 0;
         virtual void loseExtension() = 0;
 
     private:
-        bool m_privileged;
         bool m_draft;
-        bool m_webglDebugRendererInfo;
         const char* const* m_prefixes;
     };
 
     template <typename T>
     class TypedExtensionTracker FINAL : public ExtensionTracker {
     public:
         TypedExtensionTracker(RefPtr<T>& extensionField, ExtensionFlags flags, const char* const* prefixes)
             : ExtensionTracker(flags, prefixes)
             , m_extensionField(extensionField)
             , m_extension(nullptr)
@@ skipping 260 matching lines @@
 
     // Helper function for bind* (bindBuffer, bindTexture, etc) and useProgram.
     // If the object has already been deleted, set deleted to true upon return.
     // Return false if caller should return without further processing.
     bool checkObjectToBeBound(const char* functionName, WebGLObject*, bool& deleted);
 
     void dispatchContextLostEvent(Timer<WebGLRenderingContextBase>*);
     // Helper for restoration after context lost.
     void maybeRestoreContext(Timer<WebGLRenderingContextBase>*);
 
-    // Determine if we are running privileged code in the browser, for example,
-    // a Safari or Chrome extension.
-    bool allowPrivilegedExtensions() const;
-
-    // Determine if WEBGL_debug_renderer_info extension is enabled. For the
-    // moment it can be enabled either through a chromium finch experiment
-    // or for privileged code in the browser.
-    bool allowWebGLDebugRendererInfo() const;
-
     enum ConsoleDisplayPreference {
         DisplayInConsole,
         DontDisplayInConsole
     };
 
     // Wrapper for WebGraphicsContext3D::synthesizeGLError that sends a message
     // to the JavaScript console.
     void synthesizeGLError(GLenum, const char* functionName, const char* description, ConsoleDisplayPreference = DisplayInConsole);
     void emitGLWarning(const char* function, const char* reason);
 
@@ skipping 38 matching lines @@
     // If the vector is empty, return the maximum allowed active context number.
     static size_t oldestContextIndex();
     static IntSize oldestContextSize();
 };
 
 DEFINE_TYPE_CASTS(WebGLRenderingContextBase, CanvasRenderingContext, context, context->is3d(), context.is3d());
 
 } // namespace WebCore
 
 #endif // WebGLRenderingContextBase_h