Move the "platform" wrappers in skia/ext to the skia namespace.

skia/ext/vector_device.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.
 
 #include "skia/ext/vector_device.h"
 
 #include "base/gfx/gdi_util.h"
 #include "base/logging.h"
 #include "base/scoped_handle.h"
 #include "skia/ext/skia_utils_win.h"
 
 #include "SkUtils.h"
 
-namespace gfx {
-
-// TODO(brettw) remove this when all the namespaces are moved to skia.
-using namespace skia;
+namespace skia {
 
 VectorDevice* VectorDevice::create(HDC dc, int width, int height) {
   InitializeDC(dc);
 
   // Link the SkBitmap to the current selected bitmap in the device context.
   SkBitmap bitmap;
   HGDIOBJ selected_bitmap = GetCurrentObject(dc, OBJ_BITMAP);
   bool succeeded = false;
   if (selected_bitmap != NULL) {
     BITMAP bitmap_data;
@@ skipping 576 matching lines @@
                                 src_size_x, src_size_y,  // Source size.
                                 pixels,
                                 reinterpret_cast<const BITMAPINFO*>(&hdr),
                                 DIB_RGB_COLORS,
                                 SRCCOPY);
     DCHECK(result);
   }
   Cleanup();
 }
 
-}  // namespace gfx
+}  // namespace skia