Font size in DomDistiller prefs syncs with local scaling

components/dom_distiller/core/distilled_page_prefs_android.cc

Index: components/dom_distiller/core/distilled_page_prefs_android.cc
diff --git a/components/dom_distiller/core/distilled_page_prefs_android.cc b/components/dom_distiller/core/distilled_page_prefs_android.cc
index 051d821c2e4ca8de1388efb579659f40cbe52b4d..914ba7b968a85f0c777770307f382ac9079b6a97 100644
--- a/components/dom_distiller/core/distilled_page_prefs_android.cc
+++ b/components/dom_distiller/core/distilled_page_prefs_android.cc
@@ -42,6 +42,16 @@ jint DistilledPagePrefsAndroid::GetTheme(JNIEnv* env, jobject obj) {
   return (int) distilled_page_prefs_->GetTheme();
 }
 
+void DistilledPagePrefsAndroid::SetFontScaling(JNIEnv* env,
+                                              jobject obj,
+                                              jfloat scaling) {
+  distilled_page_prefs_->SetFontScaling(static_cast<float>(scaling));
+}
+
+jfloat DistilledPagePrefsAndroid::GetFontScaling(JNIEnv* env, jobject obj) {
+  return distilled_page_prefs_->GetFontScaling();
+}
+
 jlong Init(JNIEnv* env, jobject obj, jlong distilled_page_prefs_ptr) {
   DistilledPagePrefs* distilled_page_prefs =
       reinterpret_cast<DistilledPagePrefs*>(distilled_page_prefs_ptr);
@@ -97,6 +107,13 @@ void DistilledPagePrefsObserverAndroid::OnChangeTheme(
       env, java_ref_.obj(), (int)new_theme);
 }
 
+void DistilledPagePrefsObserverAndroid::OnChangeFontScaling(
+    float scaling) {
+  JNIEnv* env = base::android::AttachCurrentThread();
+  Java_DistilledPagePrefsObserverWrapper_onChangeFontScaling(
+      env, java_ref_.obj(), scaling);
+}
+
 jlong InitObserverAndroid(JNIEnv* env, jobject obj) {
   DistilledPagePrefsObserverAndroid* observer_android =
       new DistilledPagePrefsObserverAndroid(env, obj);