Removing a bunch of unused platform code.

Source/WebCore/platform/graphics/surfaces/mac/GraphicsSurfaceMac.cpp

 /*
  Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies)
 
  This library is free software; you can redistribute it and/or
  modify it under the terms of the GNU Library General Public
  License as published by the Free Software Foundation; either
  version 2 of the License, or (at your option) any later version.
 
  This library is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ skipping 13 matching lines @@
 #include "TextureMapperGL.h"
 #include <CFNumber.h>
 #include <CGLContext.h>
 #include <CGLCurrent.h>
 #include <CGLIOSurface.h>
 #include <IOSurface/IOSurface.h>
 #include <OpenGL/OpenGL.h>
 #include <OpenGL/gl.h>
 #include <mach/mach.h>
 
-#if PLATFORM(QT)
-#include <QGuiApplication>
-#include <QOpenGLContext>
-#include <qpa/qplatformnativeinterface.h>
-#endif
-
 namespace WebCore {
 
 static uint32_t createTexture(IOSurfaceRef handle)
 {
     GLuint texture = 0;
     GLuint format = GL_BGRA;
     GLuint type = GL_UNSIGNED_INT_8_8_8_8_REV;
     GLuint internalFormat = GL_RGBA;
     CGLContextObj context = CGLGetCurrentContext();
     if (!context)
@@ skipping 35 matching lines @@
     GraphicsSurfacePrivate(const PlatformGraphicsContext3D shareContext, const IntSize& size, GraphicsSurface::Flags flags)
         : m_context(0)
         , m_size(size)
         , m_frontBufferTexture(0)
         , m_frontBufferReadTexture(0)
         , m_backBufferTexture(0)
         , m_backBufferReadTexture(0)
         , m_readFbo(0)
         , m_drawFbo(0)
     {
-#if PLATFORM(QT)
-        QPlatformNativeInterface* nativeInterface = QGuiApplication::platformNativeInterface();
-        CGLContextObj shareContextObject = static_cast<CGLContextObj>(nativeInterface->nativeResourceForContext(QByteArrayLiteral("cglContextObj"), shareContext));
-        if (!shareContextObject)
-            return;
-
-        CGLPixelFormatObj pixelFormatObject = CGLGetPixelFormat(shareContextObject);
-        if (kCGLNoError != CGLCreateContext(pixelFormatObject, shareContextObject, &m_context))
-            return;
-
-        CGLRetainContext(m_context);
-#endif
-
         unsigned pixelFormat = 'BGRA';
         unsigned bytesPerElement = 4;
         int width = m_size.width();
         int height = m_size.height();
 
         unsigned long bytesPerRow = IOSurfaceAlignProperty(kIOSurfaceBytesPerRow, width * bytesPerElement);
         if (!bytesPerRow)
             return;
 
         unsigned long allocSize = IOSurfaceAlignProperty(kIOSurfaceAllocSize, height * bytesPerRow);
@@ skipping 313 matching lines @@
 {
     if (m_fbo)
         glDeleteFramebuffers(1, &m_fbo);
     if (m_private)
         delete m_private;
     m_private = 0;
 }
 
 }
 #endif