Adding WebFallbackFont and renaming SimpleFontFamily

public/platform/linux/WebSandboxSupport.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 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 WebSandboxSupport_h
 #define WebSandboxSupport_h
 
 #include "../WebCommon.h"
 #include "../WebString.h"
+#include "WebFallbackFont.h"
 #include "WebFontFamily.h"
 
 namespace blink {
 
 struct WebFontRenderStyle;
 
 // Put methods here that are required due to sandbox restrictions.
 // These are currently only implemented only on Linux:
 // https://code.google.com/p/chromium/wiki/LinuxSandboxIPC
 class WebSandboxSupport {
 public:
-    // Get a font family which contains glyphs for the given Unicode code-point.
+    // Get information to instantiate a font which contains glyphs for the given Unicode code-point.
     //   character: a UTF-32 codepoint
     //   preferredLocale: preferred locale identifier for the |characters|
     //                    (e.g. "en", "ja", "zh-CN")
     //
-    // Returns a string with the font family on an empty string if the
-    // request cannot be satisfied.
     // Returns a WebFontFamily instance with the font name. The instance has empty font name if the request cannot be satisfied.
     virtual void getFontFamilyForCharacter(WebUChar32, const char* preferredLocale, WebFontFamily*) = 0;
 
+    // TODO(dro): crbug.com/382411 Add a new version on the Chromium side to complete
+    // the WebFontFamily->WebFallbackFont rename, like
+    // virtual void getFallbackFontForCharacter(WebUChar32, const char* preferredLocale, WebFallbackFont*) = 0;
+    // then add it here.
+
     virtual void getRenderStyleForStrike(const char* family, int sizeAndStyle, WebFontRenderStyle*) = 0;
 };
 
 } // namespace blink
 
 #endif