Avoids the use of "namespace using-directives" in a few places....

skia/ext/image_operations.cc

 // Copyright (c) 2006-2008 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.
 //
 #define _USE_MATH_DEFINES
 #include <cmath>
 #include <limits>
 #include <vector>
 
 #include "skia/ext/image_operations.h"
 
 #include "base/gfx/rect.h"
 #include "base/gfx/size.h"
 #include "base/histogram.h"
 #include "base/logging.h"
 #include "base/stack_container.h"
 #include "base/time.h"
 #include "third_party/skia/include/core/SkBitmap.h"
 #include "third_party/skia/include/core/SkColorPriv.h"
 #include "third_party/skia/include/core/SkUnPreMultiply.h"
 #include "skia/ext/convolver.h"
 
 namespace skia {
 
-// TODO(brettw) remove this and put this file in the skia namespace.
-using namespace gfx;
-
 namespace {
 
 // Returns the ceiling/floor as an integer.
 inline int CeilInt(float val) {
   return static_cast<int>(ceil(val));
 }
 inline int FloorInt(float val) {
   return static_cast<int>(floor(val));
 }
 
@@ skipping 621 matching lines @@
   // Since bitmaps are refcounted, this copy will be fast.
   SkBitmap current = bitmap;
   while (current.width() >= min_w * 2 && current.height() >= min_h * 2 &&
          current.width() > 1 && current.height() > 1)
     current = DownsampleByTwo(current);
   return current;
 }
 
 }  // namespace skia