Expose text track settings in Content and implement for Android

content/browser/android/content_view_core_impl.cc

Index: content/browser/android/content_view_core_impl.cc
diff --git a/content/browser/android/content_view_core_impl.cc b/content/browser/android/content_view_core_impl.cc
index d13d79600eae2e65f432ae7260f7ac7ab0368c9f..51879bef68f7baf9fb958424e7db4390980bb276 100644
--- a/content/browser/android/content_view_core_impl.cc
+++ b/content/browser/android/content_view_core_impl.cc
@@ -1237,6 +1237,34 @@ void ContentViewCoreImpl::SetAccessibilityEnabled(JNIEnv* env, jobject obj,
   SetAccessibilityEnabledInternal(enabled);
 }
 
+void ContentViewCoreImpl::SetTextTrackSettings(JNIEnv* env,
+                                               jobject obj,
+                                               jstring textTrackBackgroundColor,
+                                               jstring textTrackFontFamily,
+                                               jstring textTrackFontStyle,
+                                               jstring textTrackFontVariant,
+                                               jstring textTrackTextColor,
+                                               jstring textTrackTextShadow,
+                                               jstring textTrackTextSize) {
+  FrameMsg_TextTrackSettings_Params params;
+  params.text_track_background_color = ConvertJavaStringToUTF8(
+      env, textTrackBackgroundColor);
+  params.text_track_font_family = ConvertJavaStringToUTF8(
+      env, textTrackFontFamily);
+  params.text_track_font_style = ConvertJavaStringToUTF8(
+      env, textTrackFontStyle);
+  params.text_track_font_variant = ConvertJavaStringToUTF8(
+      env, textTrackFontVariant);
+  params.text_track_text_color = ConvertJavaStringToUTF8(
+      env, textTrackTextColor);
+  params.text_track_text_shadow = ConvertJavaStringToUTF8(
+      env, textTrackTextShadow);
+  params.text_track_text_size = ConvertJavaStringToUTF8(
+      env, textTrackTextSize);
+
+  web_contents_->GetMainFrame()->SetTextTrackSettings(params);
+}
+
 bool ContentViewCoreImpl::IsFullscreenRequiredForOrientationLock() const {
   JNIEnv* env = AttachCurrentThread();
   ScopedJavaLocalRef<jobject> obj = java_ref_.get(env);