Remove getError() and synthesizeGLError() from WebGraphicsContext3D.

third_party/WebKit/Source/platform/graphics/gpu/DrawingBuffer.cpp

 /*
  * Copyright (c) 2010, Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 654 matching lines @@
 }
 
 bool DrawingBuffer::resizeMultisampleFramebuffer(const IntSize& size)
 {
     if (m_antiAliasingMode == MSAAExplicitResolve) {
         m_gl->BindFramebuffer(GL_FRAMEBUFFER, m_multisampleFBO);
 
         m_gl->BindRenderbuffer(GL_RENDERBUFFER, m_multisampleColorBuffer);
         m_gl->RenderbufferStorageMultisampleCHROMIUM(GL_RENDERBUFFER, m_sampleCount, m_colorBuffer.parameters.internalRenderbufferFormat, size.width(), size.height());
 
-        if (m_context->getError() == GL_OUT_OF_MEMORY)
+        if (m_gl->GetError() == GL_OUT_OF_MEMORY)
             return false;
 
         m_gl->FramebufferRenderbuffer(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_RENDERBUFFER, m_multisampleColorBuffer);
         resizeDepthStencil(size);
         if (m_gl->CheckFramebufferStatus(GL_FRAMEBUFFER) != GL_FRAMEBUFFER_COMPLETE)
             return false;
     }
 
     return true;
 }
@@ skipping 350 matching lines @@
 
     if (m_antiAliasingMode == MSAAImplicitResolve)
         m_gl->FramebufferTexture2DMultisampleEXT(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, target, m_colorBuffer.textureId, 0, m_sampleCount);
     else
         m_gl->FramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, target, m_colorBuffer.textureId, 0);
 
     m_gl->BindTexture(GL_TEXTURE_2D, m_texture2DBinding);
 }
 
 } // namespace blink