chrome.bluetooth API improvements.

chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.h

Index: chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.h
diff --git a/chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.h b/chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.h
index fd2f3cc1c0c1254dbc22431c8ed391edafc0b263..0e77d7a1e228336c1eb6dea8694cf9deea6ee807 100644
--- a/chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.h
+++ b/chrome/browser/extensions/api/bluetooth/bluetooth_extension_function.h
@@ -16,12 +16,11 @@ class BluetoothAdapter;
 }  // namespace device
 
 namespace extensions {
-
 namespace api {
 
 // Base class for bluetooth extension functions. This class initializes
-// bluetooth adapter and calls DoWork() implemented by individual bluetooth
-// extension functions.
+// bluetooth adapter and calls (on the UI thread) DoWork() implemented by
+// individual bluetooth extension functions.
 class BluetoothExtensionFunction : public UIThreadExtensionFunction {
  public:
   BluetoothExtensionFunction();
@@ -36,14 +35,13 @@ class BluetoothExtensionFunction : public UIThreadExtensionFunction {
   void RunOnAdapterReady(scoped_refptr<device::BluetoothAdapter> adapter);
 
   // Implemented by individual bluetooth extension functions, called
-  // automatically once |adapter| has been initialized.
+  // automatically on the UI thread once |adapter| has been initialized.
   virtual bool DoWork(scoped_refptr<device::BluetoothAdapter> adapter) = 0;
 
   DISALLOW_COPY_AND_ASSIGN(BluetoothExtensionFunction);
 };
 
 }  // namespace api
-
 }  // namespace extensions
 
 #endif  // CHROME_BROWSER_EXTENSIONS_API_BLUETOOTH_BLUETOOTH_EXTENSION_FUNCTION_H_