Implement a TODO in the media code: Change a "const MediaStreamRequest*" arg in various APIs to "const MediaStreamRequest&".

BUG=none
TEST=none
Review URL: https://codereview.chromium.org/11759020

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@175385 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/content/browser/web_contents/web_contents_impl.h b/content/browser/web_contents/web_contents_impl.h
index e990837..d778bfb3 100644
--- a/content/browser/web_contents/web_contents_impl.h
+++ b/content/browser/web_contents/web_contents_impl.h
@@ -414,7 +414,7 @@
       const ContextMenuParams& params,
       ContextMenuSourceType type) OVERRIDE;
   virtual void RequestMediaAccessPermission(
-      const MediaStreamRequest* request,
+      const MediaStreamRequest& request,
       const MediaResponseCallback& callback) OVERRIDE;
 
   // RenderWidgetHostDelegate --------------------------------------------------