Rename Origin.unique() to opaque().

content/browser/frame_host/navigation_request.cc

Index: content/browser/frame_host/navigation_request.cc
diff --git a/content/browser/frame_host/navigation_request.cc b/content/browser/frame_host/navigation_request.cc
index b39ba868e73a97a9a2ddd0e5c15abe4e43577d8b..a2a76805b4aef97cd36d983d42223c4eac0d05fc 100644
--- a/content/browser/frame_host/navigation_request.cc
+++ b/content/browser/frame_host/navigation_request.cc
@@ -162,7 +162,7 @@ void AddAdditionalRequestHeaders(net::HttpRequestHeaders* headers,
   if (!NeedsHTTPOrigin(headers, method))
     return;
 
-  // Create a unique origin.
+  // Create a unique opaque origin.
   url::Origin origin;
   if (frame_tree_node->IsMainFrame()) {
     // For main frame, the origin is the url currently loading.
@@ -170,7 +170,7 @@ void AddAdditionalRequestHeaders(net::HttpRequestHeaders* headers,
   } else if ((frame_tree_node->effective_sandbox_flags() &
               blink::WebSandboxFlags::Origin) == blink::WebSandboxFlags::None) {
     // The origin should be the origin of the root, except for sandboxed
-    // frames which have a unique origin.
+    // frames which have a unique opaque origin.
     origin = frame_tree_node->frame_tree()->root()->current_origin();
   }