content: Make record_whole_document available for all platforms.

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 636f7a2ecd7cb9a227e9ea04e85940c9326cf153..29e810b86916ae954bf4432b0042f0f7fd0097cb 100644
--- a/content/public/common/web_preferences.h
+++ b/content/public/common/web_preferences.h
@@ -213,10 +213,13 @@ struct CONTENT_EXPORT WebPreferences {
   bool clobber_user_agent_initial_scale_quirk;
   bool ignore_main_frame_overflow_hidden_quirk;
   bool report_screen_size_in_physical_pixels_quirk;
-  bool record_whole_document;
   std::string autoplay_experiment_mode;
 #endif
 
+#if defined(OS_ANDROID) || defined(ENABLE_BLIMP_WEB_PREFS)
+  bool record_whole_document;
+#endif
+
   // Default (used if the page or UA doesn't override these) values for page
   // scale limits. These are set directly on the WebView so there's no analogue
   // in WebSettings.