Remove extensions_tests.gyp[i]

extensions/renderer/api/serial/data_sender_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 55 matching lines @@
     if (expected.size() < buffer->GetSize())
       data = data.substr(0, expected.size());
     EXPECT_EQ(expected, data);
     expected_data_.pop();
     int32_t error = 0;
     if (!error_to_report_.empty()) {
       error = error_to_report_.front();
       error_to_report_.pop();
     }
     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()));
   }
 
   void OnCancel(int32_t error) {
     ASSERT_TRUE(buffer_);
     buffer_->DoneWithError(0, error);
     buffer_.reset();
   }
 
   scoped_refptr<device::DataSinkReceiver> receiver_;
   std::unique_ptr<device::ReadOnlyBuffer> buffer_;
@@ skipping 115 matching lines @@
 #if defined(LEAK_SANITIZER)
 #define MAYBE_SerializeAfterClose DISABLED_SerializeAfterClose
 #else
 #define MAYBE_SerializeAfterClose SerializeAfterClose
 #endif
 TEST_F(DataSenderTest, MAYBE_SerializeAfterClose) {
   RunTest("data_sender_unittest.js", "testSerializeAfterClose");
 }
 
 }  // namespace extensions