Expose device RSSI and Tx power via the chrome.bluetooth API.

chrome/browser/extensions/api/bluetooth/bluetooth_apitest.cc

 // Copyright (c) 2012 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 <string.h>
 
 #include "base/strings/stringprintf.h"
 #include "base/strings/utf_string_conversions.h"
 #include "chrome/browser/extensions/api/bluetooth/bluetooth_api.h"
 #include "chrome/browser/extensions/api/bluetooth/bluetooth_event_router.h"
@@ skipping 637 matching lines @@
   EXPECT_CALL(*device1_.get(), GetDeviceType())
     .WillRepeatedly(testing::Return(BluetoothDevice::DEVICE_COMPUTER));
   EXPECT_CALL(*device1_.get(), GetVendorIDSource())
     .WillRepeatedly(testing::Return(BluetoothDevice::VENDOR_ID_BLUETOOTH));
   EXPECT_CALL(*device1_.get(), GetVendorID())
     .WillRepeatedly(testing::Return(0x00E0));
   EXPECT_CALL(*device1_.get(), GetProductID())
     .WillRepeatedly(testing::Return(0x240A));
   EXPECT_CALL(*device1_.get(), GetDeviceID())
     .WillRepeatedly(testing::Return(0x0400));
+  EXPECT_CALL(*device1_, GetRSSI()).WillRepeatedly(testing::Return(-42));
+  EXPECT_CALL(*device1_, GetCurrentHostTransmitPower())
+      .WillRepeatedly(testing::Return(-16));
+  EXPECT_CALL(*device1_, GetMaximumHostTransmitPower())
+      .WillRepeatedly(testing::Return(10));
 
   BluetoothDevice::UUIDList uuids;
   uuids.push_back(BluetoothUUID("1105"));
   uuids.push_back(BluetoothUUID("1106"));
 
   EXPECT_CALL(*device1_.get(), GetUUIDs())
       .WillOnce(testing::Return(uuids));
 
   devices.push_back(device1_.get());
 
   // Leave the second largely empty so we can check a device without
   // available information.
   devices.push_back(device2_.get());
 
   EXPECT_CALL(*mock_adapter_, GetDevices())
       .Times(1)
       .WillRepeatedly(testing::Return(devices));
 
   // Load and wait for setup
   ExtensionTestMessageListener listener("ready", true);
   ASSERT_TRUE(
       LoadExtension(test_data_dir_.AppendASCII("bluetooth/device_info")));
   EXPECT_TRUE(listener.WaitUntilSatisfied());
 
   listener.Reply("go");
 
   EXPECT_TRUE(catcher.GetNextResult()) << catcher.message();
 }