Re-enable two flaky tests that were disabled due to timeouts.

content/browser/utility_process_mojo_client_browsertest.cc

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/public/browser/utility_process_mojo_client.h"
 
 #include <memory>
 
 #include "base/bind.h"
 #include "base/callback.h"
@@ skipping 66 matching lines @@
       base::Bind(&UtilityProcessMojoClientBrowserTest::OnResponseReceived,
                  base::Unretained(this)));
 
   run_loop.Run();
   EXPECT_TRUE(response_received_);
   EXPECT_FALSE(error_happened_);
 }
 
 // Call the Mojo service but the utility process terminates before getting
 // the result back.
-// TODO(pmonette): Re-enable when crbug.com/618206 is fixed.
-IN_PROC_BROWSER_TEST_F(UtilityProcessMojoClientBrowserTest,
-                       DISABLED_ConnectionError) {
+IN_PROC_BROWSER_TEST_F(UtilityProcessMojoClientBrowserTest, ConnectionError) {
   base::RunLoop run_loop;
   done_closure_ = run_loop.QuitClosure();
 
   StartMojoService(false);
 
   mojo_client_->service()->DoTerminateProcess(
       base::Bind(&UtilityProcessMojoClientBrowserTest::OnResponseReceived,
                  base::Unretained(this)));
 
   run_loop.Run();
@@ skipping 34 matching lines @@
                  base::Unretained(this)));
 
   run_loop.Run();
   EXPECT_TRUE(response_received_);
   EXPECT_TRUE(sandbox_succeeded_);
   EXPECT_FALSE(error_happened_);
 }
 #endif
 
 }  // namespace content