Refactor so chromium only GL extensions require gl2extchromium.h

cc/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 "cc/texture_uploader.h"
 
 #include <algorithm>
 #include <vector>
 
 #include "base/debug/alias.h"
 #include "base/debug/trace_event.h"
 #include "base/metrics/histogram.h"
 #include "cc/prioritized_resource.h"
 #include "cc/resource.h"
 #include "cc/util.h"
+#include "gpu/GLES2/gl2extchromium.h"
 #include "third_party/WebKit/Source/Platform/chromium/public/WebGraphicsContext3D.h"
 #include "third_party/khronos/GLES2/gl2.h"
 #include "third_party/khronos/GLES2/gl2ext.h"
 #include "ui/gfx/rect.h"
 #include "ui/gfx/vector2d.h"
 
 namespace {
 
 // How many previous uploads to use when predicting future throughput.
 static const size_t uploadHistorySizeMax = 1000;
@@ skipping 336 matching lines @@
             m_texturesPerSecondHistory.erase(m_texturesPerSecondHistory.begin());
             m_texturesPerSecondHistory.erase(--m_texturesPerSecondHistory.end());
         }
         m_texturesPerSecondHistory.insert(texturesPerSecond);
 
         m_availableQueries.push_back(m_pendingQueries.take_front());
     }
 }
 
 }  // namespace cc