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 c4101840ecaf24dae6747998f78ee994e6082a8c..57e216d12d922dd2f002aa548cfecae8b6d8d453 100644
--- a/content/browser/frame_host/navigation_request.cc
+++ b/content/browser/frame_host/navigation_request.cc
@@ -167,7 +167,7 @@ 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.
@@ -176,7 +176,7 @@ void AddAdditionalRequestHeaders(net::HttpRequestHeaders* headers,
               blink::WebSandboxFlags::kOrigin) ==
              blink::WebSandboxFlags::kNone) {
     // 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();
   }