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

content/public/common/content_switches.cc

Index: content/public/common/content_switches.cc
diff --git a/content/public/common/content_switches.cc b/content/public/common/content_switches.cc
index f739f5418c836a790928d188cb2f109e27436ce1..1ef1d3d681e7ca753cd61d36e01d192b782c6d84 100644
--- a/content/public/common/content_switches.cc
+++ b/content/public/common/content_switches.cc
@@ -944,6 +944,10 @@ const char kEnableLongpressDragSelection[]  = "enable-longpress-drag-selection";
 // The telephony region (ISO country code) to use in phone number detection.
 const char kNetworkCountryIso[] = "network-country-iso";
 
+// When blink should declare a load "done" for the purpose of the
+// progress bar.
+const char kProgressBarCompletion[] = "progress-bar-completion";
+
 // Enables remote debug over HTTP on the specified socket name.
 const char kRemoteDebuggingSocketName[]     = "remote-debugging-socket-name";