Remove implicit conversions from scoped_refptr to T* in chrome/browser/devtools/

chrome/browser/devtools/device/usb/usb_device_provider.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 "chrome/browser/devtools/device/usb/usb_device_provider.h"
 
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/devtools/device/adb/adb_device_info_query.h"
 #include "chrome/browser/devtools/device/usb/android_rsa.h"
 #include "chrome/browser/devtools/device/usb/android_usb_device.h"
@@ skipping 19 matching lines @@
             const UsbDeviceProvider::CommandCallback& callback,
             int result) {
   if (result <= 0) {
     callback.Run(result, result == 0 ? data : std::string());
     delete socket;
     return;
   }
 
   std::string new_data = data + std::string(buffer->data(), result);
   result =
-      socket->Read(buffer,
+      socket->Read(buffer.get(),
                    kBufferSize,
                    base::Bind(&OnRead, socket, buffer, new_data, callback));
   if (result != net::ERR_IO_PENDING)
     OnRead(socket, buffer, new_data, callback, result);
 }
 
 void OpenedForCommand(const UsbDeviceProvider::CommandCallback& callback,
                       net::StreamSocket* socket,
                       int result) {
   if (result != net::OK) {
     callback.Run(result, std::string());
     return;
   }
   scoped_refptr<net::IOBuffer> buffer = new net::IOBuffer(kBufferSize);
   result = socket->Read(
-      buffer,
+      buffer.get(),
       kBufferSize,
       base::Bind(&OnRead, socket, buffer, std::string(), callback));
   if (result != net::ERR_IO_PENDING)
     OnRead(socket, buffer, std::string(), callback, result);
 }
 
 void RunCommand(scoped_refptr<AndroidUsbDevice> device,
                 const std::string& command,
                 const UsbDeviceProvider::CommandCallback& callback) {
   net::StreamSocket* socket = device->CreateSocket(command);
@@ skipping 68 matching lines @@
   device_map_.clear();
   for (AndroidUsbDevices::const_iterator it = devices.begin();
        it != devices.end(); ++it) {
     result.push_back((*it)->serial());
     device_map_[(*it)->serial()] = *it;
     (*it)->InitOnCallerThread();
   }
   callback.Run(result);
 }