Remove extensions_tests.gyp[i]

extensions/renderer/api/serial/data_receiver_unittest.cc

 // Copyright 2014 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 <stdint.h>
 
 #include <queue>
 #include <utility>
 
 #include "base/macros.h"
@@ skipping 98 matching lines @@
       data = data_to_send_.front();
       data_to_send_.pop();
     }
     if (!error_to_send_.empty()) {
       error = error_to_send_.front();
       error_to_send_.pop();
     }
     DCHECK(buffer->GetSize() >= static_cast<uint32_t>(data.size()));
     memcpy(buffer->GetData(), data.c_str(), data.size());
     if (error)
-      buffer->DoneWithError(data.size(), error);
+      buffer->DoneWithError(static_cast<uint32_t>(data.size()), error);
     else
-      buffer->Done(data.size());
+      buffer->Done(static_cast<uint32_t>(data.size()));
   }
 
   scoped_refptr<device::DataSourceSender> sender_;
 
   DISALLOW_COPY_AND_ASSIGN(DataReceiverTest);
 };
 
 // https://crbug.com/599898
 #if defined(LEAK_SANITIZER)
 #define MAYBE_Receive DISABLED_Receive
@@ skipping 61 matching lines @@
 #define MAYBE_SerializeAfterClose DISABLED_SerializeAfterClose
 #else
 #define MAYBE_SerializeAfterClose SerializeAfterClose
 #endif
 TEST_F(DataReceiverTest, MAYBE_SerializeAfterClose) {
   data_to_send_.push("a");
   RunTest("data_receiver_unittest.js", "testSerializeAfterClose");
 }
 
 }  // namespace extensions