Fetch a new GAIA picture every time chrome://settings/manageProfile comes up.

chrome/browser/ui/webui/options/manage_profile_handler.cc

Index: chrome/browser/ui/webui/options/manage_profile_handler.cc
diff --git a/chrome/browser/ui/webui/options/manage_profile_handler.cc b/chrome/browser/ui/webui/options/manage_profile_handler.cc
index 8c8471e032ffe0805ea3568b7770ce5ba6a9565a..d25446a76b31f943746294d088282ecc462484da 100644
--- a/chrome/browser/ui/webui/options/manage_profile_handler.cc
+++ b/chrome/browser/ui/webui/options/manage_profile_handler.cc
@@ -182,6 +182,9 @@ void ManageProfileHandler::RegisterMessages() {
   web_ui()->RegisterMessageCallback("removeProfileShortcut",
       base::Bind(&ManageProfileHandler::RemoveProfileShortcut,
                  base::Unretained(this)));
+  web_ui()->RegisterMessageCallback("refreshGaiaPicture",
+      base::Bind(&ManageProfileHandler::RefreshGaiaPicture,
+                 base::Unretained(this)));
 }
 
 void ManageProfileHandler::Uninitialize() {
@@ -520,4 +523,8 @@ void ManageProfileHandler::RemoveProfileShortcut(const base::ListValue* args) {
   OnHasProfileShortcuts(false);
 }
 
+void ManageProfileHandler::RefreshGaiaPicture(const base::ListValue* args) {
+  profiles::UpdateGaiaProfilePhotoIfNeeded(Profile::FromWebUI(web_ui()));
+}
+
 }  // namespace options