Change base::Bind to base::BindRepeating

base::BindOnce can't be used, because SetGdbDebugStubPortListenerForTest
expects RepeatingCallback to be passed.

Context: https://docs.google.com/document/d/1J4N3V5UmzZL9BZGNrn95E4xJu4cz3ynbg21zXR-J_qA/edit#

Bug: 1007635
Change-Id: I5e9966e86618b1953d19c80b053227cdcb712e36
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2440618
Commit-Queue: Andrew Shulaev <ddrone@google.com>
Auto-Submit: Andrew Shulaev <ddrone@google.com>
Reviewed-by: Jochen Eisinger <jochen@chromium.org>
Cr-Commit-Position: refs/heads/master@{#813167}

PRESUBMIT.py

@@ -332,7 +332,6 @@ _NOT_CONVERTED_TO_MODERN_BIND_AND_CALLBACK = '|'.join((
   '^chrome/browser/media_galleries/',
   '^chrome/browser/media/',
   '^chrome/browser/metrics/',
-  '^chrome/browser/nacl_host/test/gdb_debug_stub_browsertest.cc',
   '^chrome/browser/net/',
   '^chrome/browser/notifications/',
   '^chrome/browser/ntp_tiles/ntp_tiles_browsertest.cc',

chrome/browser/nacl_host/test/gdb_debug_stub_browsertest.cc

@@ -57,8 +57,8 @@ void NaClGdbDebugStubTest::RunDebugStubTest(const std::string& nacl_module,
   base::Process test_script;
   std::unique_ptr<base::Environment> env(base::Environment::Create());
   nacl::NaClBrowser::SetGdbDebugStubPortListenerForTest(
-      base::Bind(&NaClGdbDebugStubTest::StartTestScript, base::Unretained(this),
-                 &test_script, test_name));
+      base::BindRepeating(&NaClGdbDebugStubTest::StartTestScript,
+                          base::Unretained(this), &test_script, test_name));
   // Turn on debug stub logging.
   env->SetVar("NACLVERBOSITY", "1");
   RunTestViaHTTP(nacl_module);