Bug 661471. Part 6.1: Expose cairo_win32_get_system_text_quality. r=jfkthame

gfx/cairo/cairo/src/cairo-dwrite-font.cpp

@@ -468,7 +468,7 @@ _cairo_dwrite_font_face_scaled_font_create (void			*abstract_face,
     // this means that if cleartype settings are changed but the scaled_fonts
     // are re-used, they might not adhere to the new system setting until re-
     // creation.
-    switch (_cairo_win32_get_system_text_quality()) {
+    switch (cairo_win32_get_system_text_quality()) {
 	case CLEARTYPE_QUALITY:
 	    default_quality = CAIRO_ANTIALIAS_SUBPIXEL;
 	    break;

gfx/cairo/cairo/src/cairo-win32-font.c

@@ -258,7 +258,7 @@ _have_cleartype_quality (void)
 }
 
 BYTE
-_cairo_win32_get_system_text_quality (void)
+cairo_win32_get_system_text_quality (void)
 {
     BOOL font_smoothing;
     UINT smoothing_type;
@@ -325,7 +325,7 @@ _win32_scaled_font_create (LOGFONTW                   *logfont,
      *      here is the hint_metrics options.
      */
     if (options->antialias == CAIRO_ANTIALIAS_DEFAULT)
-	f->quality = _cairo_win32_get_system_text_quality ();
+	f->quality = cairo_win32_get_system_text_quality ();
     else {
 	switch (options->antialias) {
 	case CAIRO_ANTIALIAS_NONE:

gfx/cairo/cairo/src/cairo-win32-private.h

@@ -216,9 +216,6 @@ _cairo_win32_scaled_font_is_type1 (cairo_scaled_font_t *scaled_font);
 cairo_bool_t
 _cairo_win32_scaled_font_is_bitmap (cairo_scaled_font_t *scaled_font);
 
-BYTE
-_cairo_win32_get_system_text_quality (void);
-
 #ifdef WINCE
 
 // These are the required stubs for windows mobile

gfx/cairo/cairo/src/cairo-win32.h

@@ -80,6 +80,8 @@ cairo_win32_surface_set_can_convert_to_dib (cairo_surface_t *surface, cairo_bool
 cairo_public cairo_status_t
 cairo_win32_surface_get_can_convert_to_dib (cairo_surface_t *surface, cairo_bool_t *can_convert);
 
+BYTE cairo_win32_get_system_text_quality (void);
+
 #if CAIRO_HAS_WIN32_FONT
 
 /*