Remove GraphicsContext3D:: stubs from cc

cc/throttled_texture_uploader.cc

 // Copyright 2012 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 "config.h"
 #include "cc/throttled_texture_uploader.h"
 
 #include "CCPrioritizedTexture.h"
-#include "Extensions3DChromium.h"
 #include "base/debug/trace_event.h"
 #include "base/metrics/histogram.h"
+#include "third_party/khronos/GLES2/gl2.h"
+#include "third_party/khronos/GLES2/gl2ext.h"
 #include <algorithm>
 #include <public/WebGraphicsContext3D.h>
 #include <vector>
 
 namespace {
 
 // How many previous uploads to use when predicting future throughput.
 static const size_t uploadHistorySize = 100;
 
 // Global estimated number of textures per second to maintain estimates across
@@ skipping 17 matching lines @@
 
 ThrottledTextureUploader::Query::~Query()
 {
     m_context->deleteQueryEXT(m_queryId);
 }
 
 void ThrottledTextureUploader::Query::begin()
 {
     m_hasValue = false;
     m_isNonBlocking = false;
-    m_context->beginQueryEXT(Extensions3DChromium::COMMANDS_ISSUED_CHROMIUM, m_queryId);
+    m_context->beginQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM, m_queryId);
 }
 
 void ThrottledTextureUploader::Query::end()
 {
-    m_context->endQueryEXT(Extensions3DChromium::COMMANDS_ISSUED_CHROMIUM);
+    m_context->endQueryEXT(GL_COMMANDS_ISSUED_CHROMIUM);
 }
 
 bool ThrottledTextureUploader::Query::isPending()
 {
     unsigned available = 1;
-    m_context->getQueryObjectuivEXT(m_queryId, Extensions3DChromium::QUERY_RESULT_AVAILABLE_EXT, &available);
+    m_context->getQueryObjectuivEXT(m_queryId, GL_QUERY_RESULT_AVAILABLE_EXT, &available);
     return !available;
 }
 
 void ThrottledTextureUploader::Query::wait()
 {
     value();
     return;
 }
 
 unsigned ThrottledTextureUploader::Query::value()
 {
     if (!m_hasValue) {
-        m_context->getQueryObjectuivEXT(m_queryId, Extensions3DChromium::QUERY_RESULT_EXT, &m_value);
+        m_context->getQueryObjectuivEXT(m_queryId, GL_QUERY_RESULT_EXT, &m_value);
         m_hasValue = true;
     }
     return m_value;
 }
 
 void ThrottledTextureUploader::Query::markAsNonBlocking()
 {
     m_isNonBlocking = true;
 }
 
@@ skipping 108 matching lines @@
         // Remove the oldest values from our history and insert the new one
         double texturesPerSecond = 1.0 / (usElapsed * 1e-6);
         m_texturesPerSecondHistory.pop_back();
         m_texturesPerSecondHistory.push_front(texturesPerSecond);
 
         m_availableQueries.append(m_pendingQueries.takeFirst());
     }
 }
 
 }