weblayer: Set font scale from system

Bug: 1035837
Change-Id: I3efc1b56b0e64ddac0ebb0924446cdc14b0c745b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2187850
Reviewed-by: Scott Violet <[email protected]>
Commit-Queue: Bo <[email protected]>
Cr-Commit-Position: refs/heads/master@{#766403}
diff --git a/weblayer/browser/browser_impl.cc b/weblayer/browser/browser_impl.cc
index f4ef7689..f368ccec 100644
--- a/weblayer/browser/browser_impl.cc
+++ b/weblayer/browser/browser_impl.cc
@@ -218,6 +218,8 @@
       Java_BrowserImpl_getDarkThemeEnabled(AttachCurrentThread(), java_impl_)
           ? blink::PreferredColorScheme::kDark
           : blink::PreferredColorScheme::kLight;
+  prefs->font_scale_factor =
+      Java_BrowserImpl_getFontScale(AttachCurrentThread(), java_impl_);
 #endif
 }