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

webkit/port/platform/graphics/skia/PlatformContextSkia.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
 // copyright notice, this list of conditions and the following disclaimer
@@ skipping 124 matching lines @@
     if (s < 0)
         return 0;
 
     int a = SkAlphaMul(SkColorGetA(c), s);
     return (c & 0x00FFFFFF) | (a << 24);
 }
 
 // PlatformContextSkia ---------------------------------------------------------
 
 // Danger: canvas can be NULL.
-PlatformContextSkia::PlatformContextSkia(gfx::PlatformCanvas* canvas)
+PlatformContextSkia::PlatformContextSkia(skia::PlatformCanvas* canvas)
     : m_canvas(canvas)
     , m_stateStack(sizeof(State))
 {
     m_stateStack.append(State());
     m_state = &m_stateStack.last();
 #if defined(OS_LINUX)
     m_gdkskia = m_canvas ? gdk_skia_new(m_canvas) : NULL;
 #endif
 }
 
 PlatformContextSkia::~PlatformContextSkia()
 {
 #if defined(OS_LINUX)
     if (m_gdkskia) {
         g_object_unref(m_gdkskia);
         m_gdkskia = NULL;
     }
 #endif
 }
 
-void PlatformContextSkia::setCanvas(gfx::PlatformCanvas* canvas)
+void PlatformContextSkia::setCanvas(skia::PlatformCanvas* canvas)
 {
     m_canvas = canvas;
 }
 
 void PlatformContextSkia::save()
 {
     m_stateStack.append(*m_state);
     m_state = &m_stateStack.last();
 
     // Save our native canvas.
@@ skipping 237 matching lines @@
 
 const SkBitmap* PlatformContextSkia::bitmap() const
 {
     return &m_canvas->getDevice()->accessBitmap(false);
 }
 
 bool PlatformContextSkia::IsPrinting()
 {
     return m_canvas->getTopPlatformDevice().IsVectorial();
 }