Fix Refcount in FontDataCache for objects from FontFallbackIterator

third_party/WebKit/Source/platform/blink_platform.gypi

 {
   'includes': [
     'platform_generated.gypi',
   ],
   'variables': {
     'platform_files': [
       'AsyncFileSystemCallbacks.h',
       'CalculationValue.h',
       'CheckedInt.h',
       'ContentDecryptionModuleResult.h',
@@ skipping 386 matching lines @@
       'fonts/FontCacheKey.h',
       'fonts/FontCacheMemoryDumpProvider.h',
       'fonts/FontCacheMemoryDumpProvider.cpp',
       'fonts/FontCustomPlatformData.h',
       'fonts/FontCustomPlatformData.cpp',
       'fonts/FontData.cpp',
       'fonts/FontData.h',
       'fonts/FontDataCache.cpp',
       'fonts/FontDataCache.h',
       'fonts/FontDataForRangeSet.h',
+      'fonts/FontDataForRangeSet.cpp',
       'fonts/FontDescription.cpp',
       'fonts/FontFaceCreationParams.h',
       'fonts/FontFallbackIterator.cpp',
       'fonts/FontFallbackIterator.h',
       'fonts/FontFallbackList.cpp',
       'fonts/FontFallbackList.h',
       'fonts/FontFallbackPriority.h',
       'fonts/FontFallbackPriority.cpp',
       'fonts/FontFamily.cpp',
       'fonts/FontFamily.h',
@@ skipping 918 matching lines @@
       ['use_default_render_theme==1',
         {
           'platform_test_files': [
             'scroll/ScrollbarThemeAuraTest.cpp',
           ],
         }
       ],
     ],
   },
 }