mac: Plumbing for the emoji font.

chrome/browser/ui/prefs/prefs_tab_helper_browsertest.cc

Index: chrome/browser/ui/prefs/prefs_tab_helper_browsertest.cc
diff --git a/chrome/browser/ui/prefs/prefs_tab_helper_browsertest.cc b/chrome/browser/ui/prefs/prefs_tab_helper_browsertest.cc
index ac52ef29eb3cfa30b962557323617f8971cba936..9a4ba7f3edc189ec5d386407226bd9a0ad671f6e 100644
--- a/chrome/browser/ui/prefs/prefs_tab_helper_browsertest.cc
+++ b/chrome/browser/ui/prefs/prefs_tab_helper_browsertest.cc
@@ -92,6 +92,9 @@ IN_PROC_BROWSER_TEST_F(PrefsTabHelperBrowserTest, PrefsAreMigratedToFontMap) {
             prefs->GetString(prefs::kWebKitCursiveFontFamily));
   EXPECT_EQ("FantasyFontFamily",
             prefs->GetString(prefs::kWebKitFantasyFontFamily));
+  // PictographFontFamily was added after the migration, so it never exists
+  // in the old format (and consequently isn't in the test Preferences file).
+  // So it doesn't need to be tested here.
   EXPECT_EQ("FixedFontFamily",
             prefs->GetString(prefs::kWebKitFixedFontFamily));
   EXPECT_EQ("SansSerifFontFamily",
@@ -155,6 +158,9 @@ IN_PROC_BROWSER_TEST_F(PrefsTabHelperBrowserTest2, GlobalPrefsAreMigrated) {
             prefs->GetString(prefs::kWebKitCursiveFontFamily));
   EXPECT_EQ("FantasyFontFamily",
             prefs->GetString(prefs::kWebKitFantasyFontFamily));
+  // PictographFontFamily was added after the migration, so it never exists
+  // in the old format (and consequently isn't in the test Preferences file).
+  // So it doesn't need to be tested here.
   EXPECT_EQ("FixedFontFamily",
             prefs->GetString(prefs::kWebKitFixedFontFamily));
   EXPECT_EQ("SansSerifFontFamily",