[Media Galleries] Add an ImageCaptureCore listener for Mac. (part 2)

chrome/browser/chrome_browser_main_mac.h

Index: chrome/browser/chrome_browser_main_mac.h
diff --git a/chrome/browser/chrome_browser_main_mac.h b/chrome/browser/chrome_browser_main_mac.h
index 46388d887b06bcdaab27845b741cda91e506f203..82f73c6a372fda000736460c5e515eb1b1fdfa3a 100644
--- a/chrome/browser/chrome_browser_main_mac.h
+++ b/chrome/browser/chrome_browser_main_mac.h
@@ -9,6 +9,7 @@
 #include "base/memory/ref_counted.h"
 
 namespace chrome {
+class ImageCaptureDeviceManager;
 class RemovableDeviceNotificationsMac;
 }
 
@@ -31,6 +32,8 @@ class ChromeBrowserMainPartsMac : public ChromeBrowserMainPartsPosix {
   scoped_refptr<chrome::RemovableDeviceNotificationsMac>
       removable_device_notifications_mac_;
 
+  scoped_ptr<chrome::ImageCaptureDeviceManager> image_capture_device_manager_;
+
   DISALLOW_COPY_AND_ASSIGN(ChromeBrowserMainPartsMac);
 };