Remove std::bind from remoting/host/.

It's banned; other approaches are preferred in C++11.

Change-Id: I9aa36d895b0d4eb9a290ba6a4df049731faf5cb3
Reviewed-on: https://chromium-review.googlesource.com/574429Reviewed-by: Joe Downing <joedow@chromium.org>
Reviewed-by: Sergey Ulanov <sergeyu@chromium.org>
Commit-Queue: Jeremy Roman <jbroman@chromium.org>
Cr-Commit-Position: refs/heads/master@{#487241}

remoting/host/linux/x11_character_injector_unittest.cc

@@ -168,9 +168,8 @@ void X11CharacterInjectorTest::InjectAndRun(
     const std::vector<uint32_t>& code_points) {
   base::RunLoop run_loop;
   keyboard_->SetKeyPressFinishedCallback(run_loop.QuitClosure());
-  std::for_each(code_points.begin(), code_points.end(),
-                std::bind(&X11CharacterInjector::Inject, injector_.get(),
-                          std::placeholders::_1));
+  for (uint32_t code_point : code_points)
+    injector_->Inject(code_point);
   keyboard_->ExpectEnterCodePoints(code_points);
   run_loop.Run();
 }

remoting/host/token_validator_base.cc

@@ -66,11 +66,8 @@ bool IsCertificateValid(const std::string& issuer,
 //    |valid_expiry| is worse.
 bool WorseThan(const std::string& issuer,
                const base::Time& now,
-               const std::unique_ptr<net::ClientCertIdentity>& i1,
-               const std::unique_ptr<net::ClientCertIdentity>& i2) {
-  net::X509Certificate* c1 = i1->certificate();
-  net::X509Certificate* c2 = i2->certificate();
-
+               const net::X509Certificate* c1,
+               const net::X509Certificate* c2) {
   if (!IsCertificateValid(issuer, now, c2))
     return false;
 
@@ -218,10 +215,12 @@ void TokenValidatorBase::OnCertificatesSelected(
 
   base::Time now = base::Time::Now();
 
-  auto best_match_position =
-      std::max_element(selected_certs.begin(), selected_certs.end(),
-                       std::bind(&WorseThan, issuer, now, std::placeholders::_1,
-                                 std::placeholders::_2));
+  auto best_match_position = std::max_element(
+      selected_certs.begin(), selected_certs.end(),
+      [&issuer, now](const std::unique_ptr<net::ClientCertIdentity>& i1,
+                     const std::unique_ptr<net::ClientCertIdentity>& i2) {
+        return WorseThan(issuer, now, i1->certificate(), i2->certificate());
+      });
 
   if (best_match_position == selected_certs.end() ||
       !IsCertificateValid(issuer, now, (*best_match_position)->certificate())) {