Add a receiver interface to RemovableStorageNotifications.

chrome/browser/chrome_browser_main_mac.mm

Index: chrome/browser/chrome_browser_main_mac.mm
diff --git a/chrome/browser/chrome_browser_main_mac.mm b/chrome/browser/chrome_browser_main_mac.mm
index 07bc6c56309dedb6eefd7d42a1251860e19d6a6a..ebfb656d60c371b1eee4407a38ebe666db81dd66 100644
--- a/chrome/browser/chrome_browser_main_mac.mm
+++ b/chrome/browser/chrome_browser_main_mac.mm
@@ -284,8 +284,13 @@ void ChromeBrowserMainPartsMac::PreMainMessageLoopStart() {
 void ChromeBrowserMainPartsMac::PreProfileInit() {
   removable_device_notifications_mac_ =
       new chrome::RemovableDeviceNotificationsMac();
-  if (base::mac::IsOSLionOrLater())
+  // TODO(gbillock): Make the ImageCapture manager owned by
+  // RemovableDeviceNotificationsMac.
+  if (base::mac::IsOSLionOrLater()) {
     image_capture_device_manager_.reset(new chrome::ImageCaptureDeviceManager);
+    image_capture_device_manager_->SetNotifications(
+        removable_device_notifications_mac_->receiver());
+  }
 
   ChromeBrowserMainPartsPosix::PreProfileInit();
 }