Cleanup namespace usage in public/platform/{Web[P-W]*,linux/*}.h

public/platform/linux/WebFontRenderStyle.h

 /*
  * Copyright (C) 2010 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 15 matching lines @@
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef WebFontRenderStyle_h
 #define WebFontRenderStyle_h
 
 #include "../WebCommon.h"
 
-namespace blink { struct FontRenderStyle; }
+namespace blink {
 
-namespace blink {
+struct FontRenderStyle;
 
 struct BLINK_EXPORT WebFontRenderStyle {
     // Each of the use* members below can take one of three values:
     //   0: off
     //   1: on
     //   2: no preference expressed
     char useBitmaps; // use embedded bitmap strike if possible
     char useAutoHint; // use 'auto' hinting (FreeType specific)
     char useHinting; // hint glyphs to the pixel grid
     char hintStyle; // level of hinting, 0..3
     char useAntiAlias; // antialias glyph shapes
     char useSubpixelRendering; // use subpixel rendering (partially-filled pixels)
     char useSubpixelPositioning; // use subpixel positioning (fractional X positions for glyphs)
 
 #if BLINK_IMPLEMENTATION || BLINK_PLATFORM_IMPLEMENTATION
     // Translates the members of this struct to a FontRenderStyle
-    void toFontRenderStyle(blink::FontRenderStyle*);
+    void toFontRenderStyle(FontRenderStyle*);
 #endif
 
     void setDefaults();
 };
 
 } // namespace blink
 
 #endif // WebFontRenderStyle_h