Rename kRestrictedApiOrigins to kIsolatedAppOrigins

This flag is now broader than enabling in-development APIs. It enables
all the Isolated App behaviors for a set of origins.

Bug: 1266823
Change-Id: Ied096794e3b44a18d34a151aebf15d00f5d82520
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/3589082
Reviewed-by: Avi Drissman <[email protected]>
Reviewed-by: Ian Kilpatrick <[email protected]>
Commit-Queue: Reilly Grant <[email protected]>
Cr-Commit-Position: refs/heads/main@{#993448}
diff --git a/chrome/browser/flag_descriptions.cc b/chrome/browser/flag_descriptions.cc
index 7a831ed..ea7cf109 100644
--- a/chrome/browser/flag_descriptions.cc
+++ b/chrome/browser/flag_descriptions.cc
@@ -661,10 +661,11 @@
 const char kDiscountConsentV2Name[] = "Discount Consent V2";
 const char kDiscountConsentV2Description[] = "Enables Discount Consent V2";
 
-const char kRestrictedApiOriginsName[] = "Restricted API Origins";
-const char kRestrictedApiOriginsDescription[] =
-    "Enables Restricted APIs (Direct Sockets API) for development purposes for "
-    "a set of origins, specified as a comma-separated list.";
+const char kIsolatedAppOriginsName[] = "Isolated App Origins";
+const char kIsolatedAppOriginsDescription[] =
+    "Enables Isolated App policy enforcement and related APIs (e.g. Direct "
+    "Sockets API) for development purposes for a set of origins, specified as "
+    "a comma-separated list.";
 
 const char kDoubleBufferCompositingName[] = "Double buffered compositing";
 const char kDoubleBufferCompositingDescription[] =