Remove unused GC::beginRecording flags

Source/platform/graphics/GraphicsContext.cpp

 /*
  * Copyright (C) 2003, 2004, 2005, 2006, 2009 Apple Inc. All rights reserved.
  * Copyright (C) 2013 Google 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
@@ skipping 420 matching lines @@
 void GraphicsContext::endLayer()
 {
     if (contextDisabled())
         return;
 
     restoreLayer();
 
     ASSERT(m_layerCount-- > 0);
 }
 
-void GraphicsContext::beginRecording(const FloatRect& bounds, uint32_t recordFlags)
+void GraphicsContext::beginRecording(const FloatRect& bounds)
 {
     if (contextDisabled())
         return;
 
     if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
-        m_canvas = m_pictureRecorder.beginRecording(bounds, 0, recordFlags);
+        m_canvas = m_pictureRecorder.beginRecording(bounds, 0);
         return;
     }
 
     m_recordingStateStack.append(
         RecordingState::Create(m_canvas, getTotalMatrix()));
-    m_canvas = m_recordingStateStack.last()->recorder().beginRecording(bounds, 0, recordFlags);
+    m_canvas = m_recordingStateStack.last()->recorder().beginRecording(bounds, 0);
 }
 
 PassRefPtr<const SkPicture> GraphicsContext::endRecording()
 {
     if (contextDisabled())
         return nullptr;
 
     if (RuntimeEnabledFeatures::slimmingPaintEnabled()) {
         RefPtr<const SkPicture> picture = adoptRef(m_pictureRecorder.endRecordingAsPicture());
         m_canvas = m_originalCanvas;
@@ skipping 1255 matching lines @@
         // being returned from computeInterpolationQuality.
         resampling = InterpolationLow;
     }
     resampling = limitInterpolationQuality(this, resampling);
     paint->setFilterQuality(static_cast<SkFilterQuality>(resampling));
 
     return initialSaveCount;
 }
 
 } // namespace blink