Removing a bunch of unused platform code.

Source/WebCore/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 63 matching lines @@
 #include "WebGLShaderPrecisionFormat.h"
 #include "WebGLTexture.h"
 #include "WebGLUniformLocation.h"
 
 #include <wtf/OwnArrayPtr.h>
 #include <wtf/PassOwnArrayPtr.h>
 #include <wtf/Uint16Array.h>
 #include <wtf/Uint32Array.h>
 #include <wtf/text/StringBuilder.h>
 
-#if PLATFORM(QT)
-#undef emit
-#endif
-
 namespace WebCore {
 
 const double secondsBetweenRestoreAttempts = 1.0;
 const int maxGLErrorsAllowedToConsole = 256;
 
 namespace {
 
     class ScopedDrawingBufferBinder {
     public:
         ScopedDrawingBufferBinder(DrawingBuffer* drawingBuffer, WebGLFramebuffer* framebufferBinding)
@@ skipping 5967 matching lines @@
     if (!m_drawBuffersWebGLRequirementsChecked) {
         m_drawBuffersWebGLRequirementsChecked = true;
         m_drawBuffersSupported = EXTDrawBuffers::supported(this);
     }
     return m_drawBuffersSupported;
 }
 
 } // namespace WebCore
 
 #endif // ENABLE(WEBGL)