Fix TODO comments for the mac media capture part

media/video/capture/mac/video_capture_device_qtkit_mac.mm

Index: media/video/capture/mac/video_capture_device_qtkit_mac.mm
diff --git a/media/video/capture/mac/video_capture_device_qtkit_mac.mm b/media/video/capture/mac/video_capture_device_qtkit_mac.mm
index efbee0fd08a36ac19dc42a74155fb423bc30f5f1..055236fecd4763ad91d7f0c374caca3c0488b293 100644
--- a/media/video/capture/mac/video_capture_device_qtkit_mac.mm
+++ b/media/video/capture/mac/video_capture_device_qtkit_mac.mm
@@ -14,8 +14,17 @@
 
 #pragma mark Class methods
 
-+ (NSArray *)deviceNames {
-  return [QTCaptureDevice inputDevicesWithMediaType:QTMediaTypeVideo];
++ (NSDictionary *)deviceNames {
+  NSArray *captureDevices =
+      [QTCaptureDevice inputDevicesWithMediaType:QTMediaTypeVideo];
+  NSMutableDictionary *device_names = [[NSMutableDictionary alloc] init];

[mflodman_chromium_OOO, 2012/04/25 05:57:09]

'device_names' -> 'deviceNames'

[mflodman_chromium_OOO, 2012/04/25 05:57:09]

|device_names| is never released.

+
+  for (QTCaptureDevice* device in captureDevices) {
+    NSString* qt_device_name = [device localizedDisplayName];

[mflodman_chromium_OOO, 2012/04/25 05:57:09]

'qt_device_name' -> 'qtDeviceName'

+    NSString* qt_unique_id = [device uniqueID];

[mflodman_chromium_OOO, 2012/04/25 05:57:09]

'qt_unique_id' -> 'qtUniqueId'

+    [device_names setObject:qt_device_name forKey:qt_unique_id];
+  }
+  return device_names;
 }
 
 #pragma mark Public methods