Adding WebFallbackFont and renaming SimpleFontFamily

Source/platform/fonts/android/FontCacheAndroidTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "config.h"
 #include "platform/fonts/FontCache.h"
 
 #include "platform/fonts/SimpleFontData.h"
 #include <gtest/gtest.h>
 
 namespace WebCore {
 
-TEST(FontCacheAndroid, platformFallbackForCharacter)
+TEST(FontCacheAndroid, fallbackFontForCharacter)
 {
     // A Latin character in the common locale system font, but not in the
     // Chinese locale-preferred font.
     const UChar32 testChar = 228;
 
     FontDescription fontDescription;
     fontDescription.setScript(USCRIPT_SIMPLIFIED_HAN);
     fontDescription.setGenericFamily(FontDescription::StandardFamily);
 
     FontCache* fontCache = FontCache::fontCache();
     ASSERT_TRUE(fontCache);
-    RefPtr<SimpleFontData> fontData = fontCache->platformFallbackForCharacter(fontDescription, testChar, 0);
+    RefPtr<SimpleFontData> fontData = fontCache->fallbackFontForCharacter(fontDescription, testChar, 0);
     EXPECT_TRUE(fontData);
 }
 
 } // namespace WebCore