From 28332c94bf850c408a437c39bdacb8655bee956e Mon Sep 17 00:00:00 2001
From: zeeker999 <13848632+zeeker999@users.noreply.github.com>
Date: Wed, 7 Jun 2023 05:26:32 +0800
Subject: [PATCH] feat: Allow customizing the default math font (#38514)

---
 docs/api/structures/web-preferences.md    | 1 +
 shell/browser/web_contents_preferences.cc | 4 ++++
 2 files changed, 5 insertions(+)

diff --git a/docs/api/structures/web-preferences.md b/docs/api/structures/web-preferences.md
index 4325bcb29c95..047a13cefc2a 100644
--- a/docs/api/structures/web-preferences.md
+++ b/docs/api/structures/web-preferences.md
@@ -67,6 +67,7 @@
   * `monospace` string (optional) - Defaults to `Courier New`.
   * `cursive` string (optional) - Defaults to `Script`.
   * `fantasy` string (optional) - Defaults to `Impact`.
+  * `math` string (optional) - Defaults to `Latin Modern Math`.
 * `defaultFontSize` Integer (optional) - Defaults to `16`.
 * `defaultMonospaceFontSize` Integer (optional) - Defaults to `13`.
 * `minimumFontSize` Integer (optional) - Defaults to `0`.
diff --git a/shell/browser/web_contents_preferences.cc b/shell/browser/web_contents_preferences.cc
index 1527c45be457..035ecad6439d 100644
--- a/shell/browser/web_contents_preferences.cc
+++ b/shell/browser/web_contents_preferences.cc
@@ -450,6 +450,10 @@ void WebContentsPreferences::OverrideWebkitPrefs(
         iter != default_font_family_.end())
       prefs->fantasy_font_family_map[blink::web_pref::kCommonScript] =
           iter->second;
+    if (auto iter = default_font_family_.find("math");
+        iter != default_font_family_.end())
+      prefs->math_font_family_map[blink::web_pref::kCommonScript] =
+          iter->second;
   }
 
   if (default_font_size_)