blink: Remove unused or rarely used methods from WebGraphicsContext3D

third_party/WebKit/Source/modules/webgl/WebGLRenderingContextBase.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 4985 matching lines @@
         return;
 
     m_contextLostMode = mode;
     ASSERT(m_contextLostMode != NotLostContext);
     m_autoRecoveryMethod = autoRecoveryMethod;
 
     if (mode == RealLostContext) {
         // Inform the embedder that a lost context was received. In response, the embedder might
         // decide to take action such as asking the user for permission to use WebGL again.
         if (LocalFrame* frame = canvas()->document().frame())
-            frame->loader().client()->didLoseWebGLContext(webContext()->getGraphicsResetStatusARB());
+            frame->loader().client()->didLoseWebGLContext(contextGL()->GetGraphicsResetStatusKHR());
     }
 
     // Make absolutely sure we do not refer to an already-deleted texture or framebuffer.
     drawingBuffer()->setTexture2DBinding(0);
     drawingBuffer()->setFramebufferBinding(GL_FRAMEBUFFER, 0);
 
     detachAndRemoveAllObjects();
 
     // Lose all the extensions.
     for (size_t i = 0; i < m_extensions.size(); ++i) {
@@ skipping 50 matching lines @@
 {
     if (!isContextLost() && drawingBuffer()) {
         drawingBuffer()->setFilterQuality(filterQuality);
     }
 }
 
 Extensions3DUtil* WebGLRenderingContextBase::extensionsUtil()
 {
     if (!m_extensionsUtil) {
         WebGraphicsContext3D* context = webContext();
-        gpu::gles2::GLES2Interface* gl = context->getGLES2Interface();
+        gpu::gles2::GLES2Interface* gl = contextGL();
         m_extensionsUtil = Extensions3DUtil::create(context, gl);
         // The only reason the ExtensionsUtil should be invalid is if the webContext is lost.
         ASSERT(m_extensionsUtil->isValid() || gl->GetGraphicsResetStatusKHR() != GL_NO_ERROR);
     }
     return m_extensionsUtil.get();
 }
 
 void WebGLRenderingContextBase::removeSharedObject(WebGLSharedObject* object)
 {
     m_contextGroup->removeObject(object);
@@ skipping 1200 matching lines @@
         webContext()->pixelStorei(GL_UNPACK_ALIGNMENT, 1);
 }
 
 void WebGLRenderingContextBase::restoreUnpackParameters()
 {
     if (m_unpackAlignment != 1)
         webContext()->pixelStorei(GL_UNPACK_ALIGNMENT, m_unpackAlignment);
 }
 
 } // namespace blink