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

webkit/port/platform/graphics/skia/ImageSkia.cpp

 // Copyright (c) 2008, 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:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
@@ skipping 226 matching lines @@
 
 void paintSkBitmap(PlatformContextSkia* platformContext,
                    const NativeImageSkia& bitmap,
                    const SkIRect& srcRect,
                    const SkRect& destRect,
                    const SkPorterDuff::Mode& compOp)
 {
     SkPaint paint;
     paint.setPorterDuffXfermode(compOp);
 
-    gfx::PlatformCanvas* canvas = platformContext->canvas();
+    skia::PlatformCanvas* canvas = platformContext->canvas();
 
     ResamplingMode resampling = platformContext->IsPrinting() ? RESAMPLE_NONE :
         computeResamplingMode(bitmap, srcRect.width(), srcRect.height(),
                               SkScalarToFloat(destRect.width()),
                               SkScalarToFloat(destRect.height()));
     if (resampling == RESAMPLE_AWESOME) {
         paint.setFilterBitmap(false);
         drawResampledBitmap(*canvas, paint, bitmap, srcRect, destRect);
     } else {
         // No resampling necessary, we can just draw the bitmap. We want to
@@ skipping 189 matching lines @@
 PassRefPtr<BitmapImageSingleFrameSkia> BitmapImageSingleFrameSkia::create(
     const SkBitmap& bitmap)
 {
     RefPtr<BitmapImageSingleFrameSkia> image(new BitmapImageSingleFrameSkia());
     if (!bitmap.copyTo(&image->m_nativeImage, bitmap.config()))
         return 0;
     return image.release();
 }
 
 }  // namespace WebCore