WTF::notFound looks too much like a local variable.

Source/core/html/canvas/WebGLRenderingContext.cpp

 /*
  * 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 144 matching lines @@
     if (!activeContexts().contains(context))
         activeContexts().append(context);
 
     if (activeContexts().size() > maxGLActiveContexts)
         forciblyLoseOldestContext("WARNING: Too many active WebGL contexts. Oldest context will be lost.");
 }
 
 void WebGLRenderingContext::deactivateContext(WebGLRenderingContext* context, bool addToEvictedList)
 {
     size_t position = activeContexts().find(context);
-    if (position != WTF::notFound)
+    if (position != WTF::kNotFound)
         activeContexts().remove(position);
 
     if (addToEvictedList && !forciblyEvictedContexts().contains(context))
         forciblyEvictedContexts().append(context);
 }
 
 void WebGLRenderingContext::willDestroyContext(WebGLRenderingContext* context)
 {
     size_t position = forciblyEvictedContexts().find(context);
-    if (position != WTF::notFound)
+    if (position != WTF::kNotFound)
         forciblyEvictedContexts().remove(position);
 
     deactivateContext(context, false);
 
     // Try to re-enable the oldest inactive contexts.
     while(activeContexts().size() < maxGLActiveContexts && forciblyEvictedContexts().size()) {
         WebGLRenderingContext* evictedContext = forciblyEvictedContexts().first();
         if (!evictedContext->m_restoreAllowed) {
             forciblyEvictedContexts().remove(0);
             continue;
@@ skipping 5288 matching lines @@
 void WebGLRenderingContext::synthesizeGLError(GC3Denum error, const char* functionName, const char* description, ConsoleDisplayPreference display)
 {
     String errorType = GetErrorString(error);
     if (m_synthesizedErrorsToConsole && display == DisplayInConsole) {
         String message = String("WebGL: ") + errorType +  ": " + String(functionName) + ": " + String(description);
         printGLErrorToConsole(message);
     }
     if (!isContextLost())
         m_context->synthesizeGLError(error);
     else {
-        if (lost_context_errors_.find(error) == WTF::notFound)
+        if (lost_context_errors_.find(error) == WTF::kNotFound)
             lost_context_errors_.append(error);
     }
     InspectorInstrumentation::didFireWebGLError(canvas(), errorType);
 }
 
 void WebGLRenderingContext::emitGLWarning(const char* functionName, const char* description)
 {
     if (m_synthesizedErrorsToConsole) {
         String message = String("WebGL: ") + String(functionName) + ": " + String(description);
         printGLErrorToConsole(message);
@@ skipping 96 matching lines @@
         if (m_textureUnits[i].m_texture2DBinding
             || m_textureUnits[i].m_textureCubeMapBinding) {
             m_onePlusMaxNonDefaultTextureUnit = i + 1;
             return;
         }
     }
     m_onePlusMaxNonDefaultTextureUnit = 0;
 }
 
 } // namespace WebCore