Revert of 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 28bd501a706b240995a5f8c8336c8ea0245e35df..e872b38371e00d2a0c78dbcbb954c9636eb285b6 100644
--- a/Source/core/testing/InternalSettings.cpp
+++ b/Source/core/testing/InternalSettings.cpp
@@ -232,7 +232,6 @@
     if (code == USCRIPT_INVALID_CODE)
         return;
     settings()->genericFontFamilySettings().setStandard(family, code);
-    settings()->notifyGenericFontFamilyChange();
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -243,7 +242,6 @@
     if (code == USCRIPT_INVALID_CODE)
         return;
     settings()->genericFontFamilySettings().setSerif(family, code);
-    settings()->notifyGenericFontFamilyChange();
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -254,7 +252,6 @@
     if (code == USCRIPT_INVALID_CODE)
         return;
     settings()->genericFontFamilySettings().setSansSerif(family, code);
-    settings()->notifyGenericFontFamilyChange();
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -265,7 +262,6 @@
     if (code == USCRIPT_INVALID_CODE)
         return;
     settings()->genericFontFamilySettings().setFixed(family, code);
-    settings()->notifyGenericFontFamilyChange();
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -276,7 +272,6 @@
     if (code == USCRIPT_INVALID_CODE)
         return;
     settings()->genericFontFamilySettings().setCursive(family, code);
-    settings()->notifyGenericFontFamilyChange();
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -287,7 +282,6 @@
     if (code == USCRIPT_INVALID_CODE)
         return;
     settings()->genericFontFamilySettings().setFantasy(family, code);
-    settings()->notifyGenericFontFamilyChange();
     m_page->setNeedsRecalcStyleInAllFrames();
 }
 
@@ -298,7 +292,6 @@
     if (code == USCRIPT_INVALID_CODE)
         return;
     settings()->genericFontFamilySettings().setPictograph(family, code);
-    settings()->notifyGenericFontFamilyChange();
     m_page->setNeedsRecalcStyleInAllFrames();
 }