Use removeFontFace to avoid resetting fontSelector.

Source/core/testing/InternalSettings.cpp

Index: Source/core/testing/InternalSettings.cpp
diff --git a/Source/core/testing/InternalSettings.cpp b/Source/core/testing/InternalSettings.cpp
index 41c75658894f5bed5f9f7aade53cfe6c0b44d0f5..c4da7ddae4095bb6ebbac8edc1c0aba51d4a3b6e 100644
--- a/Source/core/testing/InternalSettings.cpp
+++ b/Source/core/testing/InternalSettings.cpp
@@ -222,7 +222,7 @@ void InternalSettings::setStandardFontFamily(const String& family, const String&
     UScriptCode code = scriptNameToCode(script);
     if (code == USCRIPT_INVALID_CODE)
         return;
-    settings()->genericFontFamilySettings().setStandard(family, code);
+    settings()->setStandardFontFamily(family, code);
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -232,7 +232,7 @@ void InternalSettings::setSerifFontFamily(const String& family, const String& sc
     UScriptCode code = scriptNameToCode(script);
     if (code == USCRIPT_INVALID_CODE)
         return;
-    settings()->genericFontFamilySettings().setSerif(family, code);
+    settings()->setSerifFontFamily(family, code);
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -242,7 +242,7 @@ void InternalSettings::setSansSerifFontFamily(const String& family, const String
     UScriptCode code = scriptNameToCode(script);
     if (code == USCRIPT_INVALID_CODE)
         return;
-    settings()->genericFontFamilySettings().setSansSerif(family, code);
+    settings()->setSansSerifFontFamily(family, code);
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -252,7 +252,7 @@ void InternalSettings::setFixedFontFamily(const String& family, const String& sc
     UScriptCode code = scriptNameToCode(script);
     if (code == USCRIPT_INVALID_CODE)
         return;
-    settings()->genericFontFamilySettings().setFixed(family, code);
+    settings()->setFixedFontFamily(family, code);
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -262,7 +262,7 @@ void InternalSettings::setCursiveFontFamily(const String& family, const String&
     UScriptCode code = scriptNameToCode(script);
     if (code == USCRIPT_INVALID_CODE)
         return;
-    settings()->genericFontFamilySettings().setCursive(family, code);
+    settings()->setCursiveFontFamily(family, code);
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -272,7 +272,7 @@ void InternalSettings::setFantasyFontFamily(const String& family, const String&
     UScriptCode code = scriptNameToCode(script);
     if (code == USCRIPT_INVALID_CODE)
         return;
-    settings()->genericFontFamilySettings().setFantasy(family, code);
+    settings()->setFantasyFontFamily(family, code);
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -282,7 +282,7 @@ void InternalSettings::setPictographFontFamily(const String& family, const Strin
     UScriptCode code = scriptNameToCode(script);
     if (code == USCRIPT_INVALID_CODE)
         return;
-    settings()->genericFontFamilySettings().setPictograph(family, code);
+    settings()->setPictographFontFamily(family, code);
     m_page->setNeedsRecalcStyleInAllFrames();
 }