Revert of Remove create/delete methods from WebGraphicsContext3D.

third_party/WebKit/Source/modules/webgl/WebGLTimerQueryEXT.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/webgl/WebGLTimerQueryEXT.h"
 
 #include "gpu/command_buffer/client/gles2_interface.h"
 #include "modules/webgl/WebGLRenderingContextBase.h"
 #include "public/platform/Platform.h"
 
@@ skipping 14 matching lines @@
 
 WebGLTimerQueryEXT::WebGLTimerQueryEXT(WebGLRenderingContextBase* ctx)
     : WebGLContextObject(ctx)
     , m_target(0)
     , m_queryId(0)
     , m_taskObserverRegistered(false)
     , m_canUpdateAvailability(false)
     , m_queryResultAvailable(false)
     , m_queryResult(0)
 {
-    context()->contextGL()->GenQueriesEXT(1, &m_queryId);
+    m_queryId = context()->webContext()->createQueryEXT();
 }
 
 void WebGLTimerQueryEXT::resetCachedResult()
 {
     m_canUpdateAvailability = false;
     m_queryResultAvailable = false;
     m_queryResult = 0;
     // When this is called, the implication is that we should start
     // keeping track of whether we can update the cached availability
     // and result.
@@ skipping 29 matching lines @@
     return m_queryResultAvailable;
 }
 
 GLuint64 WebGLTimerQueryEXT::getQueryResult()
 {
     return m_queryResult;
 }
 
 void WebGLTimerQueryEXT::deleteObjectImpl(WebGraphicsContext3D* context3d, gpu::gles2::GLES2Interface* gl)
 {
-    gl->DeleteQueriesEXT(1, &m_queryId);
+    context3d->deleteQueryEXT(m_queryId);
     m_queryId = 0;
 }
 
 void WebGLTimerQueryEXT::registerTaskObserver()
 {
     if (!m_taskObserverRegistered) {
         m_taskObserverRegistered = true;
         Platform::current()->currentThread()->addTaskObserver(this);
     }
 }
 
 void WebGLTimerQueryEXT::unregisterTaskObserver()
 {
     if (m_taskObserverRegistered) {
         m_taskObserverRegistered = false;
         Platform::current()->currentThread()->removeTaskObserver(this);
     }
 }
 
 void WebGLTimerQueryEXT::didProcessTask()
 {
     m_canUpdateAvailability = true;
 }
 
 } // namespace blink