Add a flag to change when android's progress bar completes

content/public/common/web_preferences.h

Index: content/public/common/web_preferences.h
diff --git a/content/public/common/web_preferences.h b/content/public/common/web_preferences.h
index 54b8ed4acbe4b54197c8f720e673abdd918aa0f7..e5ffaa0fcaef9ce2f3d662bf01c48616f38bf58e 100644
--- a/content/public/common/web_preferences.h
+++ b/content/public/common/web_preferences.h
@@ -54,6 +54,13 @@ enum ImageAnimationPolicy {
 
 enum class ViewportStyle { DEFAULT, MOBILE, TELEVISION, LAST = TELEVISION };
 
+enum class ProgressBarCompletionOptions {
+  LOAD_EVENT,
+  DOM_CONTENT_LOADED_AND_IMAGES,
+  DOM_CONTENT_LOADED,
+  LAST = DOM_CONTENT_LOADED
+};
+
 // The ISO 15924 script code for undetermined script aka Common. It's the
 // default used on WebKit's side to get/set a font setting when no script is
 // specified.
@@ -224,6 +231,7 @@ struct CONTENT_EXPORT WebPreferences {
   // Used by Android_WebView only to support legacy apps that inject script into
   // a top-level initial empty document and expect it to persist on navigation.
   bool resue_global_for_unowned_main_frame;
+  ProgressBarCompletionOptions progress_bar_completion;
 #endif
 
   // String that describes how media element autoplay behavior should be