Script streaming: remove config.

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 ab43cd90a57bb76e552c3d84d7ba3148cb2021e9..2b4eff3b47dcea2bec14896898900d9d95c324b4 100644
--- a/content/public/common/web_preferences.h
+++ b/content/public/common/web_preferences.h
@@ -50,14 +50,6 @@ enum V8CacheOptions {
   V8_CACHE_OPTIONS_LAST = V8_CACHE_OPTIONS_RECENT_SMALL
 };
 
-enum V8ScriptStreamingMode {
-  V8_SCRIPT_STREAMING_MODE_ALL,
-  V8_SCRIPT_STREAMING_MODE_ONLY_ASYNC_AND_DEFER,
-  V8_SCRIPT_STREAMING_MODE_ALL_PLUS_BLOCK_PARSER_BLOCKING,
-  V8_SCRIPT_STREAMING_MODE_LAST =
-      V8_SCRIPT_STREAMING_MODE_ALL_PLUS_BLOCK_PARSER_BLOCKING
-};
-
 // 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.
@@ -180,8 +172,6 @@ struct CONTENT_EXPORT WebPreferences {
   bool use_solid_color_scrollbars;
   bool navigate_on_drag_drop;
   V8CacheOptions v8_cache_options;
-  bool v8_script_streaming_enabled;
-  V8ScriptStreamingMode v8_script_streaming_mode;
   bool slimming_paint_enabled;
 
   // This flags corresponds to a Page's Settings' setCookieEnabled state. It