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

skia/ext/vector_device.h

 // 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.
 
 #ifndef VectorDevice_h
 #define VectorDevice_h
 
 #include "base/basictypes.h"
 #include "skia/ext/platform_device_win.h"
 #include "SkMatrix.h"
 #include "SkRegion.h"
 
-namespace gfx {
+namespace skia {
 
 // A device is basically a wrapper around SkBitmap that provides a surface for
 // SkCanvas to draw into. This specific device is not not backed by a surface
 // and is thus unreadable. This is because the backend is completely vectorial.
 // This device is a simple wrapper over a Windows device context (HDC) handle.
 class VectorDevice : public PlatformDeviceWin {
  public:
   // Factory function. The DC is kept as the output context.
   static VectorDevice* create(HDC dc, int width, int height);
 
@@ skipping 82 matching lines @@
 
   // Previously selected brush before the current drawing.
   HGDIOBJ previous_brush_;
 
   // Previously selected pen before the current drawing.
   HGDIOBJ previous_pen_;
 
   DISALLOW_COPY_AND_ASSIGN(VectorDevice);
 };
 
-}  // namespace gfx
+}  // namespace skia
 
 #endif  // VectorDevice_h