Adding WebFallbackFont and renaming SimpleFontFamily

public/platform/linux/WebFontInfo.h

 /*
  * Copyright (C) 2009 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 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * 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 WebFontInfo_h
 #define WebFontInfo_h
 
 #include "../WebCString.h"
+#include "WebFallbackFont.h"
 #include "WebFontFamily.h"
 #include "WebFontRenderStyle.h"
 
 #include <string.h>
 #include <unistd.h>
 
 namespace blink {
 
 class WebFontInfo {
 public:
     // Set a global preference describing whether renderStyleForStrike() should
     // enable subpixel positioning or not. FontConfig doesn't currently provide
     // a parameter for controlling this.
     BLINK_EXPORT static void setSubpixelPositioning(bool);
 
     // Return a font family which provides a glyph for the Unicode code point
     // specified by character.
     //   character: a UTF-32 code point
     //   preferredLocale: preferred locale identifier for the |characters|
     //                    (e.g. "en", "ja", "zh-CN")
     //
     // Returns: the font family or an empty string if the request could not be satisfied.
     // Returns: the font family instance. The instance has an empty font name if the request could not be satisfied.
+    BLINK_EXPORT static void fallbackFontForChar(const WebUChar32 character, const char* preferredLocale, WebFallbackFont*);
+
+    // TODO(dro): Remove this legacy version, kept until renames on the Chromium side are done. crbug.com/382411
     BLINK_EXPORT static void familyForChar(const WebUChar32 character, const char* preferredLocale, WebFontFamily*);
 
     // Fill out the given WebFontRenderStyle with the user's preferences for
     // rendering the given font at the given size (in pixels).
     //   family: i.e. "Times New Roman"
     //   sizeAndStyle:
     //      3322222222221111111111
     //      10987654321098765432109876543210
     //     +--------------------------------+
     //     |..............Size............IB|
     //     +--------------------------------+
     //     I: italic flag
     //     B: bold flag
     BLINK_EXPORT static void renderStyleForStrike(const char* family, int sizeAndStyle, WebFontRenderStyle* result);
 };
 
 } // namespace blink
 
 #endif