Change media galleries to external file system type to add toURL support

BUG=160900
[email protected], [email protected], [email protected], [email protected], [email protected]

Review URL: https://codereview.chromium.org/185393012

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@260276 0039d316-1c4b-4281-b951-d872f2087c98
diff --git a/chrome/browser/chrome_content_browser_client.cc b/chrome/browser/chrome_content_browser_client.cc
index 50a0d93d..2f5b3a5 100644
--- a/chrome/browser/chrome_content_browser_client.cc
+++ b/chrome/browser/chrome_content_browser_client.cc
@@ -2567,6 +2567,10 @@
 
 void ChromeContentBrowserClient::GetURLRequestAutoMountHandlers(
     std::vector<fileapi::URLRequestAutoMountHandler>* handlers) {
+#if !defined(OS_ANDROID)
+  handlers->push_back(
+      base::Bind(MediaFileSystemBackend::AttemptAutoMountForURLRequest));
+#endif  // OS_ANDROID
 }
 
 void ChromeContentBrowserClient::GetAdditionalFileSystemBackends(