Remove unused method CanAccessDataForWebSocket

ChildProcessSecurityPolicyImpl::CanAccessDataForWebSocket is no longer
used. Remove it.

Change-Id: I5fdd3577c5280aaf29b3b836c005e956f7a6188e
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1828768Reviewed-by: Mike West <mkwst@chromium.org>
Commit-Queue: Adam Rice <ricea@chromium.org>
Cr-Commit-Position: refs/heads/master@{#701018}

content/browser/child_process_security_policy_impl.cc

@@ -1198,14 +1198,6 @@ bool ChildProcessSecurityPolicyImpl::CanDeleteFileSystemFile(
                                          DELETE_FILE_GRANT);
 }
 
-bool ChildProcessSecurityPolicyImpl::CanAccessDataForWebSocket(
-    int child_id,
-    const GURL& url) {
-  DCHECK(url.SchemeIsWSOrWSS());
-  GURL url_to_check = net::ChangeWebSocketSchemeToHttpScheme(url);
-  return CanAccessDataForOrigin(child_id, url_to_check);
-}
-
 bool ChildProcessSecurityPolicyImpl::HasWebUIBindings(int child_id) {
   base::AutoLock lock(lock_);
 

content/browser/child_process_security_policy_impl.h

@@ -234,10 +234,6 @@ class CONTENT_EXPORT ChildProcessSecurityPolicyImpl
   bool CanDeleteFileSystemFile(int child_id,
                                const storage::FileSystemURL& filesystem_url);
 
-  // True if cookie headers may be exposed to renderer |child_id| for |url| for
-  // display in DevTools. |url| should be a WebSocket URL.
-  bool CanAccessDataForWebSocket(int child_id, const GURL& url);
-
   // Returns true if the specified child_id has been granted ReadRawCookies.
   bool CanReadRawCookies(int child_id);