cc: The recent texture manager bug uncovered some unnecessary code

cc/overdraw_metrics.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/overdraw_metrics.h"
 
 #include "FloatQuad.h"
 #include "IntRect.h"
@@ skipping 49 matching lines @@
 }
 
 void OverdrawMetrics::didPaint(const IntRect& paintedRect)
 {
     if (!m_recordMetricsForFrame)
         return;
 
     m_pixelsPainted += static_cast<float>(paintedRect.width()) * paintedRect.height();
 }
 
-void OverdrawMetrics::didCullTileForUpload()
+void OverdrawMetrics::didCullTilesForUpload(int count)
 {
     if (m_recordMetricsForFrame)
-        ++m_tilesCulledForUpload;
+        m_tilesCulledForUpload += count;
 }
 
 void OverdrawMetrics::didUpload(const WebTransformationMatrix& transformToTarget, const IntRect& uploadRect, const IntRect& opaqueRect)
 {
     if (!m_recordMetricsForFrame)
         return;
 
     float uploadArea = areaOfMappedQuad(transformToTarget, FloatQuad(uploadRect));
     float uploadOpaqueArea = areaOfMappedQuad(transformToTarget, FloatQuad(intersection(opaqueRect, uploadRect)));
 
@@ skipping 93 matching lines @@
         {
             // This must be in a different scope than the TRACE_EVENTs above.
             TRACE_EVENT2("cc", "OverdrawPaintMetrics", "ContentsTextureBytes", m_contentsTextureUseBytes, "RenderSurfaceTextureBytes", m_renderSurfaceTextureUseBytes);
         }
         break;
     }
     }
 }
 
 } // namespace cc