bluetooth: Add Device connection logic and accompanying user interface.

chrome/browser/resources/bluetooth_internals/bluetooth_internals.js

Index: chrome/browser/resources/bluetooth_internals/bluetooth_internals.js
diff --git a/chrome/browser/resources/bluetooth_internals/bluetooth_internals.js b/chrome/browser/resources/bluetooth_internals/bluetooth_internals.js
index 8cde1c5bbcba2483fa2bd71b78f61081252da7ae..b41e4523354866c784a68bf3c970ef89a84b2339 100644
--- a/chrome/browser/resources/bluetooth_internals/bluetooth_internals.js
+++ b/chrome/browser/resources/bluetooth_internals/bluetooth_internals.js
@@ -58,7 +58,9 @@ cr.define('bluetooth_internals', function() {
       // Update rssi if it's valid
       var rssi = (deviceInfo.rssi && deviceInfo.rssi.value) ||
           (device.info.rssi && device.info.rssi.value);
-      device.info = deviceInfo;
+
+      // Merge given |deviceInfo| with current device info.
+      Object.assign(device.info, deviceInfo);
       device.info.rssi = { value: rssi };
       this.devices.update(device);
     }
@@ -118,6 +120,50 @@ cr.define('bluetooth_internals', function() {
     });
   }
 
+  function connectDevice(device) {
+    return adapter.connectToDevice(device.info.address).then(
+      function(response) {
+        if (response.error == bluetoothAdapter.ConnectErrorCode.SUCCESS) {
+          device.proxy = connection.bindHandleToProxy(response.device,
+                                                      bluetoothDevice.Device);
+          return;
+        }
+
+        // TODO(mbrunson): Replace with more descriptive error messages.
+        var errorString = Object.keys(
+            bluetoothAdapter.ConnectErrorCode)[response.error];
+
+        throw new Error(errorString);
+      }).then(function() {
+        // TODO(mbrunson): Remove when ServicesDiscovered() callback function is
+        //     added to AdapterClient.
+        var done = false;
+        var fetchJob = setInterval(function() {
+          if (!done) {
+            if (device.proxy) {
+              device.proxy.getServices().then(function(response) {
+                device.info.services = response.services;
+                done = true;
+
+                if (device.info.services) {
+                  adapterClient.devices.update(device);
+                  clearInterval(fetchJob);
+                }
+              });
+            } else {
+              done = true;
+              clearInterval(fetchJob);
+            }
+          }
+        }, 5000);
+      });
+  }
+
+  function disconnectDevice(device) {
+    device.proxy = null;
+    return Promise.resolve();
+  }
+
   function initialize() {
     initializeProxies()
       .then(function() { return adapter.getInfo(); })
@@ -128,6 +174,8 @@ cr.define('bluetooth_internals', function() {
                                  adapterClient /** this */);
 
         var deviceTable = new device.DeviceTable();
+
+        deviceTable.setConnectionHandlers(connectDevice, disconnectDevice);
         deviceTable.setDevices(adapterClient.devices);
         document.body.appendChild(deviceTable);
       })