Upstream accessibility font size preferences.

chrome/chrome_browser.gypi

Index: chrome/chrome_browser.gypi
diff --git a/chrome/chrome_browser.gypi b/chrome/chrome_browser.gypi
index 7fda9f663b4c29a37cfc2e058e011fcd1ba320a4..714942c1c6e535788cdc1ed5dc4ea744278753ea 100644
--- a/chrome/chrome_browser.gypi
+++ b/chrome/chrome_browser.gypi
@@ -12,6 +12,10 @@
     'chrome_browser_non_ios_sources': [
       'browser/about_flags.cc',
       'browser/about_flags.h',
+      'browser/accessibility/font_size_prefs.cc',
+      'browser/accessibility/font_size_prefs.h',
+      'browser/accessibility/font_size_prefs_android.cc',
+      'browser/accessibility/font_size_prefs_android.h',
       'browser/android/accessibility_util.cc',
       'browser/android/accessibility_util.h',
       'browser/android/activity_type_id_list.h',
@@ -2754,6 +2758,7 @@
     'chrome_browser_jni_sources': [
       'android/java/src/org/chromium/chrome/browser/AccessibilityUtil.java',
       'android/java/src/org/chromium/chrome/browser/ApplicationLifetime.java',
+      'android/java/src/org/chromium/chrome/browser/accessibility/FontSizePrefs.java',
       'android/java/src/org/chromium/chrome/browser/autofill/AutofillDialogControllerAndroid.java',
       'android/java/src/org/chromium/chrome/browser/autofill/AutofillDialogResult.java',
       'android/java/src/org/chromium/chrome/browser/autofill/AutofillLogger.java',