Removed most calls to GraphicsContext3D from DrawingBuffer

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 108 matching lines @@
 
 size_t WebGLRenderingContext::oldestContextIndex()
 {
     if (!activeContexts().size())
         return maxGLActiveContexts;
 
     WebGLRenderingContext* candidate = activeContexts().first();
     size_t candidateID = 0;
     for (size_t ii = 1; ii < activeContexts().size(); ++ii) {
         WebGLRenderingContext* context = activeContexts()[ii];
-        if (context->graphicsContext3D() && candidate->graphicsContext3D() && context->graphicsContext3D()->lastFlushID() < candidate->graphicsContext3D()->lastFlushID()) {
+        if (context->webGraphicsContext3D() && candidate->webGraphicsContext3D() && context->webGraphicsContext3D()->lastFlushID() < candidate->webGraphicsContext3D()->lastFlushID()) {
             candidate = context;
             candidateID = ii;
         }
     }
 
     return candidateID;
 }
 
 IntSize WebGLRenderingContext::oldestContextSize()
 {
@@ skipping 430 matching lines @@
     m_contextGroup = WebGLContextGroup::create();
     m_contextGroup->addContext(this);
 
     m_maxViewportDims[0] = m_maxViewportDims[1] = 0;
     m_context->getIntegerv(GL_MAX_VIEWPORT_DIMS, m_maxViewportDims);
 
     RefPtr<WebGLRenderingContextEvictionManager> contextEvictionManager = adoptRef(new WebGLRenderingContextEvictionManager());
 
     // Create the DrawingBuffer and initialize the platform layer.
     DrawingBuffer::PreserveDrawingBuffer preserve = preserveDrawingBuffer ? DrawingBuffer::Preserve : DrawingBuffer::Discard;
-    m_drawingBuffer = DrawingBuffer::create(m_contextSupport.get(), clampedCanvasSize(), preserve, contextEvictionManager.release());
+    m_drawingBuffer = DrawingBuffer::create(m_context.get(), clampedCanvasSize(), preserve, contextEvictionManager.release());
 
     if (!m_drawingBuffer->isZeroSized()) {
         m_drawingBuffer->bind();
         setupFlags();
         initializeNewContext();
     }
 
     // Register extensions.
     static const char* const webkitPrefix[] = { "WEBKIT_", 0, };
     static const char* const bothPrefixes[] = { "", "WEBKIT_", 0, };
@@ skipping 4834 matching lines @@
             synthesizeGLError(GL_INVALID_OPERATION, "", "error restoring context");
         }
         return;
     }
 
     RefPtr<WebGLRenderingContextEvictionManager> contextEvictionManager = adoptRef(new WebGLRenderingContextEvictionManager());
 
     // Construct a new drawing buffer with the new GraphicsContext3D.
     m_drawingBuffer->releaseResources();
     DrawingBuffer::PreserveDrawingBuffer preserve = m_preserveDrawingBuffer ? DrawingBuffer::Preserve : DrawingBuffer::Discard;
-    m_drawingBuffer = DrawingBuffer::create(contextSupport.get(), clampedCanvasSize(), preserve, contextEvictionManager.release());
+    m_drawingBuffer = DrawingBuffer::create(context.get(), clampedCanvasSize(), preserve, contextEvictionManager.release());
 
     if (m_drawingBuffer->isZeroSized())
         return;
 
     m_drawingBuffer->bind();
 
     m_lostContextErrors.clear();
 
     m_contextSupport = contextSupport;
     m_context = context.release();
@@ skipping 191 matching lines @@
         if (m_textureUnits[i].m_texture2DBinding
             || m_textureUnits[i].m_textureCubeMapBinding) {
             m_onePlusMaxNonDefaultTextureUnit = i + 1;
             return;
         }
     }
     m_onePlusMaxNonDefaultTextureUnit = 0;
 }
 
 } // namespace WebCore